Seal of Testing Assurance

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This article is part of the Center for Media & Democracy's spotlight on front groups and corporate spin.

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WARNING! Sewage sludge is toxic. Food should not be grown in "biosolids." Join the Food Rights Network.

The Seal of Testing Assurance (STA) is a program of the U.S. Composting Council, an organization that promotes the use of sewage sludge in compost.[1] The STA program, developed in 2000, requires regular testing of compost products by "certified" labs. The testing is relatively minimal and the standards are designed to allow for certification of products containing sewage sludge.

According to USCC:

"The science behind the development of the STA Program and the various tests that are used is contained in ‘Test Methods for the Examination of Composting & Compost’ (‘TMECC’). This publication includes a suite of physical, chemical and biological tests. These were selected to help both compost producer and purchaser to determine if the compost they are considering is suitable for the use that they are planning, and to help them compare various compost products using a testing program that can be performed by a group of independent, certified labs across the country and in Canada."

TMECC, and thus the standards of the STA program, were developed in a process that was initiated by Proctor and Gamble in 1995. Ultimately, the USDA and the U.S. Composting Council's Composting Council Research and Education Foundation (CCREF) worked together to finalize and publish the standards.[2]

Donating Sewage Sludge Products to Community Gardens

In 2013, the USCC began a PR campaign it called the "Million Tomato Compost Campaign," which it said "connects community gardens, compost producers, chefs and food banks to grow healthy soil, healthy food, and healthy communities."[3]

According to the campaign website, "USCC's STA certified compost producer members will donate STA-certified compost to participating community gardens who sign on to the Million Tomato Compost Campaign. Community gardens will use their compost to grow one million tomatoes, either for their own use or for donation to local food banks. Chefs will work with the community gardeners, schools and nonprofits to teach people about using sustainably grown local food in recipes that even kids will love!"[4]

Of the dozens of producers in almost all 50 states that participate in the USCC's STA program, at least six are known to use industrial and residential sewage sludge in their products: A-1 Organics, EKO Systems (one of whose plants was producing 3,090 dry tons of sewage sludge product a year as of 2010), Synagro (the largest processor of sewage sludge in the United States), WeCare Organics, the Inland Empire Regional Composting Authority (the Los Angeles area sewage treatment facility, sewage sludge from which is also used in products like those from Kellogg Garden Products), and Engel & Gray, Inc.'s Harvest Blend Compost.

These products are some of the sewage sludge products known to be sold by corporations and municipalities. To dispose of sewage sludge produced by wastewater treatment plants, the industry and the U.S. Environmental Protection Agency (EPA) have renamed them "biosolids" and dubbed them as "green" examples of recycling, beneficial reuse, and organic fertilizer and compost products. In many cases, the sewage sludge is then packaged as compost or fertilizer and sold to unsuspecting gardeners or farmers.

Sludge contaminants can include flame retardants (which California recently listed as a carcinogen, or cancer-causing agent), antibacterial agents like triclosan, phthalates (the solvent that gives vinyl plastic the nickname "Poison Plastic") and other industrial solvents, nanosilver and other nanomaterials, endocrine disruptors, pharmaceutical residues, resistant pathogens, and perfluorinated compounds. Some of these contaminants can "bioaccumulate" in plants grown in sludge-contaminated soil and remain as residue on vegetables in contact with the soil. These plants can then eaten by children and adults.

Elements Tested in STA

Composts in the STA program are tested for the following:[5]

Additionally, "any and all testing required by applicable State and/or Federal regulation (e.g., pathogens, heavy metals, pesticides, inerts, etc.) to assure public health/safety and environmental protection must be completed at the frequency so regulated."[6]

Participating Products

As of April 2013:[7]


Environmental Recycling, Inc.
PO 92229
Anchorage, AK 99509
Contact: Susan Bender
T: 907-529-5970
compostalaska AT
Composting Facility
Anchorage Regional Composting Facility
7985 West End Rd.
Anchorage, AK

Green Earth Landworks LLC
5440 B St.
Anchorage, AK 99518
Contact: Christina Eneix
T: 907-243-7892
F: 907-743-0099
info AT Composting Facility
6301 Rosewood St.
Anchorage, AK 99518
T: 907-243-7892
jeffj AT

Trailblazers Topsoil, Inc
PO 112608
Anchorage, AK 99515-2608
Contact: Jeff Dinwiddie
T: 907-229-5396
trailblazerstopsoil AT
Composting Facility
Palmer, Alaska
Sales Site
10100 Old Seward Highway
Anchorage, AK 99515


5275 Colt St., Suite 3
Ventura, CA 93003
Contact: Bill Camarillo
T: 805.650.1616
F: 805-650-9630
bill AT Composting Facility
6859 Arnold Rd.
Oxnard, CA 93030

Aguinaga Green, Inc.
27910 Baker Canyon Rd.
Silverado, CA 92676
Contact: Daniel Dulac
T: 714-649-9050
F: 714-649-9210
danieldulac AT

American Soil Amendment Products
1450 Tierra Rejada Rd.
Simi Valley, CA 93065
Contact: Kurt Mikell
T: 805-578-0052
F: 805-578-0999
asap85 AT

Arakielian Enterprises, Inc. d.b.a. American Organics
2055 Shay Rd.
Victorville, CA 92394
Contact: Ernesto Lozano
T: 760-859-6485
F: 760-246-0927
elozano AT

Burrtec Waste Industries, Inc.
13373 Napa St.
Fontana, CA 92335
Contact: Robert Rios
T: 909-899-0911
F: 909-899-5511
robert AT

3 Composting Facilities
1 – 13373 Napa St.
Same as office

2 – 1830 Aqua Mansa Rd.
Riverside CA 92509
T: 951-786-0544
F: 951-786-0538

3 – Coachella Valley Compost Facility
87011 Landfill Rd.
Coachella, CA 92236
T: 760-863-4364
F: 760-863-4184
(2 STA products at this facility)

California Bio-Mass, Inc. – Consumer Compost Use Participant!
PO 3069
San Bernardino, CA 92413-3069
Contact: Michael Hardy
T: 909-208-0774
F: 909-886-0416

Composting Facility
83-109 Ave. 62
Thermal, CA 92274

Cal Poly State University – Consumer Compost Use Participant
1 Grand Ave.
San Luis Obispo, CA 93407-0262
Contact: Kevin Piper
T: 805-756-6440
F: 805-756-2592
klpiper AT

CCL Organics LLC
1460 Goodyear Rd.
Benicia, CA 94510
Contact: David W. Burnley
T: 707-751-0466
cclorganics AT

Community Recycling & Resource Recovery, Inc.
1261 N. Wheeler Rd., PO 716
Lamont, CA 93241
Contact: Dave Baldwin
T: 661-845-4056
F: 661-845-9700
dbaldwin AT

Diestel Turkey Ranch
22200 Lyons Bald Mt. Rd.
Sonora, CA 953770
Contact: Jason Diestel
T: 209 532 4950 ext. 29
F: 209-532-5059
jason.diestel AT

Composting Facility
10330 La Grange Rd.
Jamestown, CA

Earthworks Soil Amendments, Inc.
2 STA products
1725 Agua Mansa Rd.
Riverside, CA 92509
Contact: Lefo Phororo
T: 951-782-0260
F: 951-782-0268
lefo AT

Engel & Gray, Inc.
PO 5020
745 W. Betteravia Rd.
Santa Maria, CA 93456-5020
Contact: Bob EngelT: 805-925-2771
bob AT

Evergreen Distributors, Inc. dba Evergreen Nursery – Consumer Compost Use Participant
(2 STA Products)
PO 503130
San Diego, CA 92150
Contact: Wally Kearns
T: 858-481-1434
wkearns AT
Composting Facility
13650 Carmel Valley Rd.
San Diego, CA 92130

Foothill Soils, Inc.
24981 Railroad Ave.
Newhall, CA 91321
Contact: Darren Drouin
T: 661-254-1045
F: 661-254-8094
darren AT
Composting Facility
22925 Coltrans Ave.
Newhall, CA

Forest Wood Fiber Products
PO 279
Lake Elsinore CA 92531
Contact: Matt Smith
F: 951-471-4050
mattfwfp AT

Composting Facility
28737 Hwy. 74
Lake Elsinore CA 92532
T: 951-471-4040

Green Wise Soil Technologies, Inc.
PO 2340
Whittier, CA 90610-2340
T: 888-855-8559
F: 888-855-8780
Contact: Kevin Fretz
Kgreenways AT
Composting Facilities
1. 20331 S. Main St.
Carson, CA 90745
2. OC Facility
17341 Santiago Canyon Rd.
Silverado, CA 92676
P: 562-699-2999

Landscape Support Services
14900 Magnolia Blvd., #55307
Sherman Oaks, CA 91403
Contact: Soheila Sturm
F: 661-554-0109
soheila AT
Composting Facility
LSS Yard – Santa Clarita
22957-1 Sierra Hwy.
Santa Clarita, CA 91321

Inland Empire Regional Composting Authority (IERCA)
12645 6th St.
Rancho Cucamonga, CA 91739
Contact: Jeff Ziegenbein
T: 909-993-1981
F: 909-993-1951
jziegenbein AT

Kochergen Farms Composting, Inc.
PO 11006
Fresno, CA 93771
Contact: Mike Kochergen
T: 5559-498-0900
mike AT
Composting Facility
33915 Avenal Cut-Off Rd.
Avenal, CA 93204
T: 559-498-8383

Las Virgenes Municipal Water District
4232 Las Virgenes Rd.
Calabasas, CA 91302
Contact: Robert Robins OR Jacqy Gamble
T: 818-251-2512
rrobins AT OR jgamble AT
Composting Facility
Rancho Las Virgenes Composting Facility
3700 Las Virgennes Rd.
Calabasas, CA 91302
T: 818-251-2300

Liberty Compost/San Joaquin Composting, Inc.
1601 Skyway Drive, Suite 205
Bakersfield, CA 93380
Contact: Gary Bruggeman
T: 661-391-5848
Gbruggeman AT Composting Facility
12421 Holloway Road
Lost Hills, CA 93380

Lopez AG Service, Inc.
PO 294049 Sacramento, CA 95828
Contact: Mitch Lopez
T: 916-682-5450
F: 916-682-6251
mitchlopeztrucking AT
Composting Facility
11499 Florin Rd.
Sacramento, CA 95830

City of Los Angeles, Bureau of Sanitation
Contact: John Hamilton
T: 818-834-5111
F: 818-834-5116
john.cobb.hamilton AT

2 Composting Facilities
1 – Lopez Canyon Environmental Center
11950 Lopez Canyon Rd.
Lakeview Terrace, CA 91342

2 – Griffith Park Composting Facility
5400 Griffith Park Dr.
Los Angeles, CA 90027

Mendocino Earth Products - Consumer Compost Use Participant
PO 60
Ukiah, CA 95482
Contact: Julie Price
T: 707-234-6423
F: 707-234-6404
jprice AT
Composting Facility
5801 Old River Rd.
Talmage, CA

Mission Landscape Companies, Inc.
P.O. Box 15026
Santa Ana, CA 92735
Contact: Jesse Perez
T: 909-841-1742
F: 909-947-7291
jperez AT
Composting Facility
14025 Magnolia Ave.
Chino, CA 91710
T: 909-841-1742teutones

NAPA Recycling & Waste Services - Consumer Compost Use Participant
PO Box 239
Napa, CA 94559
Contact: Greg Kelley
greg AT

2 Composting Facilities
1 - 820 Levitin Way
Napa, CA 94558
T: 707-256-3500

2 – 11220 County Road 94
Zamora, CA 95698
T: 530-406-1614
grantI AT

Newby Island Recyclery/Newby Island Organics
1601 Dixon Landing Rd.
Milpitas, CA 95035
Contact: Mark Buntjer
T: 408-945-2801
F: 480-270-8933
MBuntjer AT

Nortech Waste
3033 Fiddyment St.
Roseville, CA 95747
Contact: Paul Szura
T: 916-645-5230×105
paul AT

Plant’s Choice
3085 Beyer Blvd., A106
San Diego, CA 92154
Contact: Doug Snyder
T: 619-585-9909
F: 619-585-4745
DSnyder AT or Douglsnyder AT

Composting Facility
Otay Landfill
1700 Maxwell Rd.
Chula Vista, CA 91912

Quackenbush Mountain RRCF
16520 Davis St., PO 569
Clearlake, CA 95457
Contact: Christy Abreau
T: 707-995-0104
F: 707-995-0735
christy AT

R&S Soil Products, Inc.
23600 El Toro Rd. #D336
Lake Forest, CA 92630
Contact: Steve Carneal
T: 949-830-8882
steve AT

Recology Environmental Solutions Inc.
235 N. First St.
Dixon, CA 95620
Contact: Kim Carrier
T: 800-208-2370
F: 707-678-5148
kcarrier AT

4 Composting Facilities
1 – Feather River Organics
3001 N. Levee Rd.
Marysville, CA 95901

2 – Jepson Prairie Organics
6426 Hay Rd.
Vacaville, CA 95687

3 – South Valley Organics
3675 Pacheco Pass Rd.
Gilroy, CA 95020

4 – Recology Grover Environmental Products 3909 Gafferty Rd.
Vermalis, CA 95358
Contact: Adam Grover
T: 209-830-3001
F: 209-833-1010
agrover AT

Red Star Fertilizer Co., Inc.
17132 Hellman St. Corona, CA 92880
Contact: Paul Bernhard
T: 909-597-4801
F: 909-597-9267
red.star1929 AT

Redwood Landfill/Waste Management
PO 793 Novato, CA 94948
Contact: Alisha McCutcheon
T: 415-892-2851
F: 415-898-1354
amccutch AT
Composting Facility
8950 Redwood Hwy.
Novato, CA 94945

City of San Diego – Miramar Greenery
9601 Ridgehaven Ct. #320
San Diego, CA 92123
Contact: Renee Robertson
T: 858-627-3308 robertsonr AT Composting Facility
Miramar Greenery
5180 Convoy St.
San Diego, CA 92111

San Pasqual Valley Soils, LLC
PO 300747
Escondido, CA 92030
Contact: Craig Anderson
craig AT
Composting Facility
16111 Old Milky Way
Escondido, CA 92027
P: 760-746-4769
F: 760-746-6484

City of Santa Rosa
4301 Llano Rd.
Santa Rosa, CA 95407
Contact: Zachary Kay
T: 707-543-3374
F: 707-543-3444 zkay AT Composting Facility
Laguna Compost Facility
T: 707-543-3442

Soiland Co., Inc.
7171 Stony Point Rd.
Cotati, CA 94931
Contact: Ross Barney
T: 707-575-7275
F: 707-575-7205
ross AT
Composting Facility
Grab ‘N’ Grow
2759 Lland Rd.
Santa Rosa, CA 95407

South Kern Compost Manufacturing Facility, LLC
Taft, CA 93268
T: 661-765-2200
Contact: Lorrie Loder
T: 909-322-0388
Lloder AT

Tierra Verde Industries
7913 Marine Way
Irvine, CA 92618
Contacts: Darren Ross
P: 949-551-0363
Darren AT

Harvest Power/Valley Organics, Inc.
916 W. Frewert Rd.
Lathrop, CA 95330
Contact: Jed Phelps
T: 209-982-1381
F: 209-982-9836
jphelps AT

Vision Recycling
114 Miles St.
Santa Cruz, CA 95060
Contact: Andrew Tuckman
T: 510-385-0255
F: 510-353-6030
andrew.tuckman AT

West Coast Sand & Gravel dba WC Wood Industries
7715 Ave. 296
Visalia, CA 93291
Contact: Kevin Oliver
T: 559-625-9426
F: 559-651-2175
Composting Facility - 2 STA Products
Buena Vista Landfill
1231 Buena Vista Dr.
Watsonville, CA
koliver AT

Z-Best Products
980 State Hwy.25
Gilroy, CA 95020
Contact: Alex Sharpe
T: 408-846-1574
F: 408-846-1573 alex AT


A-1 Organics – Consumer Compost Use Participant
Main Office
16350 WCR 76
Eaton, CO 80615
Contact: Bob Yost
T: 800-776-1644
F: 970-454-3232
bobyost AT
2 Composting Facilities
1 – Rattler Ridge Organic Recycling Facility
12002 WCR 59
Keenesburg, CO 80643
2 – Eaton Organic Recycling Facility
16350 WCR 76
Eaton, CO 80615
gregkuenning AT

Diamond Tail Ranch
1777 S. Harrison St., PH 1
Denver, CO 80210
Contact: Michael Duncan
T: 303-759-3303
F: 303-757-0252
mduncan AT
Composting Facility
20579 N. County Rd. 103
Jelm, WY 82063
diamondtailranch AT

Humalfa, LLC
26874 CR 65
Iliff, CO 80736
Contact: Janita or Farrel
T: 970-522-0758
F: 970-522-2250
janita AT
Farrel AT

Mesa County Solid Waste Management
PO 20000
Grand Junction, CO 81502
Contact: Cameron Garcia
T: 970-255-0754
F: 970-242-7467
cameron.garcia AT
Composting Facility
3071 Hwy. 50
Grand Junction CO 81503

Summit County Resource Allocation Park - Consumer Compost Use Participant
2 STA Products (biosolids & non-biosolids)
639 SCR 66/PO 3789
Dillon, CO 80435
Contact: Jason Thoma
T: 970-468-9263
F: 970-262-3626
jasont AT

Western Disposal Services
5880 Butte Mill Rd.
Boulder, CO 80301
Contact: Mike Seader
T: 303-618-8600
F: 303-444-4239
mseader AT


Garick, Paygro Division/New Milford Farms
PO Box W
South Charleson, OH 45368
Contact: John Gundlach
T: 937-462-8380
F: 937-462-7170
John.Gundlach AT
Composting Facility
New Milford Farms
60 Boardman Rd.
New Milford, CT 06776
T: 860-210-0250
F: 860-210-0451


Peninsula Compost Company – Consumer Compost Use Participant
612 Christiana Ave.
Wilmington, DE 19801
Contact: Waylon Pleasanton
F: 302-777-3663
waylon.pleasanton AT


Black Gold Compost
8183 E. CR 466 PO 190
Oxford, FL 34484
Contact: Michael Lange
T: 800-447-3304
rmikel27 AT

C & C Peat Company, Inc. - A USDA BioPreferred company
1650 County Rd. 470
Okahumpka, FL 34762
Contact: Michael Wolfe
T: 352-323-8213
F: 352-365-0367
m.wolfe AT

Lee County Solid Waste Division
10500 Buckingham Rd.
Ft. Myers, FL 33905
Contact: Keith Howard
T: 239-533-8000
Khoward AT
Composting Facility
5500 Church Rd.
Felda, FL 33930

Okeechobee Organics Recycling Facility – A Garick Facility
10800 N.E. 128th Ave.
Okeechobee, FL 34972
Contact: Ray Stamper
T: 216-956-0949
F: 407-553-4933
ray.stamper AT

Simply Organic Lawn & Garden Center, LLC
3351 Sarno Rd.
Melbourne, FL 32934
Contact: David Smith
T: 321-255-6625
F: 321-255-1786
flarecyc AT

Solid Waste Authority
5890 N. Jog Rd.
West Palm Beach, FL 33412
Contact: Rick Doss
T: 561-640-8910
F: 561-688-0353
rdoss AT

Vista Organics Recycling Facility – A Garick Facility
242 West Keene Rd.
Apopka, FL 32703
Contact: Ray Stamper
F: 216-475-0772
ray.stamper AT


Athens-Clarke WPC
400 Will Hunter Rd.
Athens, GA 30606
Contact: Gary Bond
T: 706-613-3507
F: 706-613-3491
GaryBond AT
Composting Facility
5700 Lexington Rd.
Winterville GA 30683

ERTH Products
A USDA BioPreferred company!
PO Box 2892
562 Dogwood Trai
Tyrone, GA 30290
Contact: Wayne King
T: 770-487-6677
F: 770-487-3992
sales AT

Longwood Plantation, LLC
1549 Pryor Rd.
Newington, GA 30446
Contact: Karen Smith
T: 912-857-4571
F: 912-857-3049
longwood AT

Smith Garden Products, a subsidiary of Garick
4200 Dr. Bramlett Rd.
Cumming, GA 30040
Contact: John Gundlach
T: 678-648-3119
F: 770-887-1080
W: &
John.Gundlach AT

Wilbros Organic Recovery
215 Coats Dr.
Toccoa, GA 30577
Contact: Joe Wilbanks
T: 706-886-0077
F: 706-886-0074
jwilbanks AT


EKO Systems – Maui
PO Box 1065
Puunene, HI 96784
Contact: Rubens Fonseca
T: 808-572-8844
rubens.mauieko AT

Hawaiian Earth Products, Ltd.
91-2002 Fort Weaver Road
Ewa Beach, HI 96706
Contact: Ron Westmoreland
T: 808-682-5895
F: 808-682-0762
ronw AT

Composting Facility
91-400 Malakole Road
Kapolei, HI 96707


EKO Systems
548 Down River Rd.
Lewiston, ID 83501
Contact: Wendy Mee
T: 208-746-5947
ekosystems AT


Christiansen Farms
12151 W. Wilmington Rd.
Peotone, IL 60468-9726
Contact: Larry Christiansen
T: 708-258-6123
F: 70-258-9266
lwc6123 AT

Compost Supply, Inc.
21 W. 180 Hill Ave.
Glen Ellyn, IL 60137
Contact: Steve Brackman
T: 630-858-8070
F: 630-858-0959
compostsupply AT
Composting Facility
Compost Products, Inc.
Rt. 2 & County Line Rd.
Newark, IL 60541
T: 815-695-5383

Land & Lakes
Main Office
123 N. Northwest Hwy.
Park Ridge, IL 60068
Contact: Charlene Troyer
T: 847-825-5000
F: 847-825-0887
CTroyer2 AT

3 Composting Facilities 1 – Wheeling Facility 21488 North Milwaukee Deerfield, IL 60015 T/F: 847-520-1857 Product: Bulk 2 – Romeoville Facility 1371 North Joliet Road Romeoville, IL 60446 T: 630-739-0398 Product: Bulk 3 – Harbor View Facility 2000 E. 122nd St. Chicago, IL 60633 T: 773-646-3850 Product: Bulk

Midwest Organics Recycling, LLC
Composting Facility
29353 N. Darrell Rd.
McHenry, IL 60051
Contact: Ted Krueger
T: 847-493-9116
Tkrueger AT

St. Louis Composting, Inc. – Consumer Compost Use Participant!
3521 Centreville Ave.
Belleville, IL 62226
Contact: Rebecca Geraty
T: 618-233-2007
rgeraty AT
2 Composting Facilities (IL & MO)


Cedar Rapids/Linn County Solid Waste Agency (formerly Bluestem)
6301 Kirkwood Blvd. SW
P.O. Box 2068
Cedar Rapids, IA 52406
Contact: Karmin McShane
T: 319-398-1278
F: 319-398-1279
kkmcshane AT

Chamness Technology, Inc.
24820 – 160th Street
Eddyville, IA 52553
Contact: Chad Borsheim
T: 515-325-6133
cborsheim AT

City of Davenport
P.O. Box 3606
Davenport, IA 52808
Contact: Scott Plett
T: 563-328-7225
splett AT

Dubuque Metropolitan Area Solid Waste Agency
925 Kerper Ct.
Dubuque, IA 52001-2405
Contact: Chuck Goddard
T: 563-589-4354
F: 563-589-4252
cgoddard AT
Composting Facility
14501 Hwy. 20
West Dubuque, IA 52002

Metro Waste Authority
300 E. Locust St., St. 100
Des Moines, IA 50309
Contact: Rebecca Nott
T: 515-333-4446
rno AT W:


Garick, LLC
13600 Broadway Ave.
Cleveland, OH 44125
Contact: John Gundlach
T: 216-904-6716
F: 216-475-1885
john.gundlach AT
Composting Facility
2200 NW Waterworks Way
Topeka, KS 66606
Contact: Dino Trinetti
T: 216-905-6563
dino.trinetti AT


Charlies Compost
1195 Hwy. 815
Calhoun, KY 42327
T: 270-499-1435
Contact: Charles Mann, Jr.
cbmann AT

Creech Services, Inc.- Consumer Compost Use Participant!
4100 Heraldry Ct.
Lexington, KY 40513
Contact: John Thompson or Charles T. Creech
T: 859-293-6658
F: 859-293-6397
johnthompson AT

Garick, LLC
13600 Broadway Ave.
Cleveland, OH 44125
Contact: John Gundlach
T: 216-904-6716
F: 216-475-1885
john.gundlach AT
Composting Facility
Outer Loop Landfill Composting Company
2673 Outer Loop
Louisville, KY 40219
Contact: Bruce Hillier
T: 216-538-2758
bruce.hillier AT


Maryland Environmental Service
259 Najoles Rd.
Millersville, MD 21108
Contact: Ann Bowie Rice
T: 410-729-8393
F: 410-729-8383
arice AT
'Composting Facility
Montgomery County Yard Trimming Composting Facility
21210 Martinsburg Rd.
Dickerson, MD 20842
Contact: Judy Trent
T: 301-428-8185
F: 301-428-8311
jtren AT

Veolia Water, Baltimore Composting Facility
5800 Quarantine Road
Baltimore, MD 21226
T: 410-354-1636


Agresource, Inc
. 100 Main Street
Amesbury, MA 01913
Contact: Geoff Kuter
T: 978-388-5110
gakuter AT

Otter River Farm, LLC
20 Otter River Rd.
Winchendon, MA 01475
Contact: Dave Smith
T: 508-860-9226
F: 978-939-8599
info AT

Watts Farm & Garden LLC DBA Cape Cod Composters – Consumer Compost Use Participant!
23 Falmouth Sandwich Rd.
PO 447
Forestdale, MA 02644
Contact: Laura Watts
T: 508-889-5025
laura AT
Composting Facility
Decas Cranberry
4 Old Forge Way #1
Carver, MA 02330
T: 508-866-8506
F: 508-866-9060

WeCare Organics
9293 Bonta Bridge Rd.
Jordan, NY 13080
Contact: Chuck DuPrey
T: 315-689-1937
F: 315-689-1996
charlesduprey AT
Composting Facility
Cape Resources
280 Old Falmouth Rd.
Marstons Mils, MA 02648
T: 508-428-2618
F: 508-420-1346


WeCare Organics/City of Ann Arbor
4170 Platt Rd.
Ann Arbor, MI 48107
Contact: Charles Duprey
T: 734-477-0334
charles.duprey AT


City of Hutchinson
Creekside Organic Material Processing Facility
1500 Adams Street, SE
Hutchinson, MN 55350
Contact: Andy Kosek
T: 320-587-6762
F: 320-234-5649
(3 STA products at this location)

Organic Technologies, Inc.
9298 Central Ave., NE Ste. 418
Blaine, MN 55434
Contact: Greg Austin
T: 763-867-0005
F: 763-862-0016
greg AT
Composting Facility
Columbus Facility
13655 Lake Dr., NE
Forest Lake, MN 55025

Specialized Environmental Technologies – Consumer Compost Use Participant!
Main Office
6321 Bury Drive, Suite 13
Eden Prairie, MN 55346
Contact: Rob Friend
T: 952-946-6999
F: 952-946-7975
rfriend AT
4 Composting Facilities
1 – Shakopee Yard Waste Compost Facility
14800 Johnson Memorial Highway
Shakopee, MN 55379
T: 952-445-2139
Product: Bulk – Yard waste compost
2 – Burnsville Yard Waste Compost Facility
1030 West Cliff Road
Burnsville, MN 55337
T: 952-736-1915
Product: Bulk – Yard waste compost
3 – Empire Yard Waste Compost Facility
16454 Blaine Avenue
Rosemount, MN 55068
T: 651-423-4401
4 – Minnetrista Yard Waste Compost Facility
4275 Creekview Circle
Minnetrista, MN 55331
T: 952-446-1056
F: 952-446-186

'RW Farms – Closed; will reopen under new name in Fall 2013
17505 Kelly Lake Rd.
Carver MN 55315
Contact: Russ Leistiko
T: 612-508-8372
F: 952-448-7267
Russ AT
Composting Facility
3645 Arboretum Dr.
Chanhassen, MN 55318

Western Lake Superior Sanitary District (WLSSD) – Consumer Compost Use Participant!
2626 Courtland St.
Duluth, MN 55806
Contact: Heidi Ringhofer
T: 218-722-3336
F: 218-727-7471
heidi.ringhofer AT
Product: Garden Green® bagged and bulk compost (food & yardwaste)


Hansen’s Tree Service & Environmental Wood Resources – Consumer Compost Use Participant!
104 Hansen Court
Ofallon, MO 63366
Contact: Jeff Sneider
T: 636-379-1830
F: 636-379-1866
jeffs AT

Missouri Organic Recycling
7700 E. US 40
Kansas City, MO 64129
Contact: Kevin Anderson
T: 816-483-0908
F: 816-483-0911
kevin AT

St. Louis Composting, Inc.- Consumer Compost Use Participant!
39 Old Elam Ave.
Valley Park, MO 63088
Contact: Rebecca Geraty
T: 636-861-3344
F: 636-861-5925
rgeraty AT
3 Composting Facilities
1 – Valley Park Facility
Contact info. same as above
2 – Modern Facility
3521 Centreville Ave.
Belleville, IL 62226
T: 618-233-2007
3 – Fort Bellefontaine Compost Center (ORMI)
13060 County Park Rd.
Florissant, MO 63034
T: 314-355-0052
F: 314-355-2327
Contact: Ashley Bement
abement AT

City of St. Peters
PO Box 9
St. Peters, MO 63376
Contact: William Malach
T: 636-477-6600
F: 636-477-9077
bmalach AT
Composting Facility
St. Peters Earth Centre
100 Ecology Dr.
St. Peters, MO 63376
T: 636-477-6600 ex.388
Product: Class ‘A’ Biosolids/Yard Trimmings Compost


EKO Systems
1125 Clark Fork Lane
Missoula, MT 59808
Contact: Terry Munnerlyn
T: 406-721-1423
ecocompost1001 AT


A-1 Organics Nevada LLC
5355 Beesley Drive
Las Vegas, NV 89115
Contact: Ryan Lynch
T: 702-643-2214
F: 888-278-3418
bobyost AT

Full Circle Compost
3190 Hwy. 395 N.
Minden, NV 89423
Contact: Craig Witt
T: 775-267-5305
F: 775-267-5333
craig AT

Ponderosa Dairy – Compost Plant
PO Box 70
Amargosa Valley, NV 89020
Contact: Ed Goedhart
T: 775-372-1300
F: 775-372-1800
davidT186 AT

New Jersey

Jersey Mulch Products, LLC
48 Old Jacksonville Pr.
Towaco, NJ 7082
P: 973-331-8001
F: 973-331-8003
Contact: Chuck Ehrmann

WeCare Organics, LLC
Main Office 9289
Bonta Bridge Rd.
Jordan, NY 13080
Composting facility
PO 318, 800 Cocolone
Columbus, NJ 08022
T: 609-499-7805
Contact: Charles Dupree
charles.duprey AT

New York

Dickson’s Environmental Services
5226 Bonny Hill Rd.
Bath, NY 14810
Contact: Jacoba Hernandez
T: 607-776-7997
F: 607-776-4217
jhernandez AT

City of New York – Department of Sanitation
Compost Unit – Staten Island Compost
Bureau of Waste Prevention, Reuse and Recycling
44 Beaver St., 6th Floor
New York, NY 10004
Contact: Kirk Tomlinson, Deputy Director Compost Unit
T: 212-437-4670
F: 212-514-7812
ktomlinsON AT
Composting Facility
150 West Service Rd.
Staten Island, NYC

Onodaga County Resource Recovery Agency (OCCRA)
100 Elwood Davis Rd.
N. Syracuse, NY 13212
Contact: Greg Gelewski
T: 315-453-2866
F: 315-453-7692
ggelewski AT
2 STA products

Organic Recycling Inc./Plant’s Choice, Inc.
3085 Beyer Blvd., A106
San Diego, CA 92154
T: 619-585-9909
F: 619-585-4745
Contact: Doug Snyder or Beng Ooi
douglsnyder AT or obhooi AT
Composting Facility
Organic Recycling Inc./Organic Renewal LLC
895 Pulaski Hwy.
Goshen, NY 10927
T: 845-651-4177
F: 845-651-7544
jt AT

WeCare Organics, LLC
Main Office
9289 Bonta Bridge Rd.
Jordan, NY 13080
Contact: Charles Duprey
charles.duprey At
T: 315-689-1937
2 Composting Facilities
1 – Rockland County Co-composting Facility
400 Torne Valley Road
Hillburn, NY 10931
T: 845-753-2314
F: 845-753-2349
Contact: Charles Duprey
charles.duprey AT
2 – Delaware County Co-Composting Facility
Delphi, NY 13753
Contact: Charles Duprey
charles.duprey AT

North Carolina

City of Goldsboro
City of Goldsboro Compost Facility
PO Drawer A
Goldsboro, NC 27533-9701
Contact: Karen Brashear
T: 919-735-3329, x101
F: 919-725-8907
Product: Bulk – Gold Dust Compost
kbrashear AT

McGill Environmental Systems – Consumer Compost Use Participant!
Corporate Office
PO Box 61
Harrells, NC 28444
Product: Bulk compost, mixes, custom blends and private label bagging
Contact: Lynn Lucas, Business Development
T: 910-532-2539
F: 910-532-2542
llucas AT
3 Composting Facilities
1 – McGill-Delway
1100 Herring Road
Rose Hill, NC 28444
T: 910-532-2539
Contact: thecompostpeople AT
2 – McGill-Merry Oaks
634 Christian Chapel Church Road
New Hill, NC 27562
T: 919-362-1161
Contact: thecompostpeople AT
3 – McGill-Waverly
5056 Beef Steak Road
Waverly, VA 23890
T: 804-834-8820
Contact: thecompostpeople AT

Mecklenburg County Solid Waste
700 N. Tryon St.
Charlotte, NC 28202
Contact: Darren Steinhilber
T: 704-336-4447
Darren.Steinhilber AT
Composting Facility
5631 West Blvd.
Charlotte NC 28202
T: 704-588-9092

Novozymes North America, Inc.- Consumer Compost Use Participant!
PO Box 576
77 Perry Chapel Rd.
Franklinton, NC 27525-0576
Product: Nature’s GREEN-RELEAF compost
Contact: Frank Franciosi
T: 919-494-3489
F: 919-494-1472
frfr At
Composting Facility
445 Old Smith Farm Rd.

Parker Bark Company
PO Box 158
Rose Hill, NC 28458
Product: Parker’s Compost
Contact: Thomas Parker
T: 910-289-3672
F: 910-289-2100
tommy AT
Composting Facility
3295 US 117
Rose Hill, NC

City of Raleigh Yard Waste Center
900 N. New Hope Rd.
Raleigh, NC 27610
Contact: Edward Wright
T: 919-250-2728
F: 919-832-1632
edward.wright AT

Seaside Mulch, inc.
PO 380
Wrightsville Beach, NC 28480
Contact: Hackney Parker
T: 910-791-2100
F: 910-332-2314
hackney AT
Composting Facility
3415 Blue Clay Rd.
Castle Hayne, NC 28429

Wallace Farm, Inc.
14410 Eastfield Rd.
Huntersville, NC 28078
Contact: Eric or Shelby Wallace
T: 704-875-2975
F: 704-875-2394
wallfarm AT


New Milford Farms, a division of Garick
60 Boardman Rd.
New Milford, CT 06776
Contact: John Gundlach
T: 860-210-0250
F: 860-210-0451
John.Gundlach AT
Composting Facility
New Milford Farms
60 Boardman Rd.
New Milford, CT 06776
T: 860-210-0250
F: 860-210-0451

Urban Organics
2934 Sleepy Hollow Rd.
Brunswick Hills, OH 44212
Contact: Mark Bishop
T: 440-333-7338
mark.bishop AT



Allwood Recyclers
23001 N.E. Marine Dr.
Fairview, OR 97024
Contact: Andy Hutchinson
T: 503-667-5497
F: 503-667-2417
baseballfreakL2K AT

Anderson’s Erosion Control Inc.
PO Box 205
520 E. 2nd St.
Junction City, OR 97448
Contact: Russell Anderson
T: 541-998-2062
F: 541-998-3261
aecontrolinc AT

Clackamas Compost Products, LLC – Consumer Compost Use Participant!
11620 SE Capps Rd.
Clackamus, OR 97015
Contact: Casey Stroupe
T: 503-557-1028
F: 503-638-0754
casey AT Product: Premium Garden Mulch

Deschutes Recycling
2 STA Products
PO Box 504Bend, OR 97702
Product: Bulk – yard trimmings compost
Contacts: Chris Crownover and Susan Baker
T: 541-323-4069
F: 541-383-3640
chrisc AT
susanb AT
Composting Facility
61050 SE 27th St.
Bend, OR 97702
T: 541-388-1910
F: 541-322-2194

Dirt Hugger – Consumer Compost Use Participant!
Composting Facility
4350 River Trail Way
The Dalles, OR 97058
Contacts: Pierce Louis, Tyler Miller
T: 541-496-3478
pierce AT
tyler AT

Grimm’s Fuel Company
1631 South Shore Rd.
Tualatin, OR 97034
Product: Bulk – yard trimmings compost
Contact: Jeff Grimm
T: 503-636-3623
jefgfc AT

Hazenberg Dairy Compost
2 STA products
5828 Champoeg Rd., NE
St. Paul, OR 97137
Contact: Diane Hazenberg
T: 503-593-8914
entremanure AT

Hilton Fuel & Supply Co.
8087 Blackwell Rd.
Central, OR 97502
Contacts: Gary Whithead or Mike Hilton
T: 541-664-3374
F: 541-664-7640
Gary AT
Mike AT

Johnny Cat, Inc. – Temporarily Suspended
PO 89
Jacksonville, OR 97530
Contact: Mike Casey
T: 541-261-3800
F: 541-899-5626
mike AT
Composting Facility
Southern Oregon Rock
2100 Newland Rd.
Central Point, OR 97502
T: 541-665-0720
F: 541-665-0721

Lane Forest Products
2111 Prairie Rd.
Eugene, OR 97402
Contact: Tom Campbell
Lane At
T: 888-345-9085
F: 541-461-2427

McFarlane’s Bark, Inc.
13345 SE Johnson Rd.
Milwaukie, OR 97222
Product: Compo-Stuff (from vegetative feed stocks)
Contact: Kathleen McFarlane
T: 503-659-4240 kmcfarlane At

NW Greenlands-Aumsville
Recology Oregon Compost, Inc.
2320 SE 12th Place
Warrenton, OR 97146
T: 503-861-0578
Contact: Trisha Hayrynen
thayrynen AT
Composting Facility
NW Greenlands – Aumsville
8712 Aumsville Hwy. SE
Salem, OR 97517
P: 503-749-3117

NW Greenlands-McMinnville
2200 NE Orchard Ave.
McMinnville, OR 97128
Contact: Trisha Hayrynen
T: 503-861-0578×3505
thayrynen AT
Composting Facility
T: 503-434-1671

Oakleaf Enterprises LLC
P.O. 3187
Central Point, OR 97502
Contact: Lee Fortier
T: 541-494-5411
Lfortier AT

Pacific Region Compost
28972 Coffin Butte Rd.
Corvallis, OR 97330
Contact: Jordan Trimmer
T: 541-745-5792×25
jtrimmer AT

City of Portland,Sunderland Recycling Facility
9325 NE Sunderland Rd.
Portland, OR 97211
Contact: Jill Jacobson
T: 707-693-2107
F: 707-678-5148
jill.jacobsen At

Recology Oregon Compost Inc.
235 North First St.
Dixon, CA 95620
Contact: Kim Carrier
T: 800-208-2370
F: 707-678-5148
kcarrier AT
2 Composting Facilities
1 – Compost Oregon
8715 Aumsville Hwy.
Aumsville, OR 97325
2 – Nature’s Needs
9570 NW 307th Ave
North Plains, OR 97133

'Rexius Forest By-Products
750 Chambers Street
Eugene, OR 97402
Contact: Jack Hoeck
T: 888-473-9487 toll free
Local: 541-342-1835

Trails Ends Recovery
34661 Airport Ln.
Warrenton, OR 97146
Contact: Tina Arthur
T: 503-861-6030
Sales AT


Barnside Farm Compost Facility – Consumer Compost Use Participant!
430 Dieber Rd.
Schwenksville, PA 19473
Contact: Nancy & Walt Larkin
T: 610-287-8880
F: 610-287-3784
nlarkin1 AT

Laurel Valley Soils, Inc.
PO 640
Avondale, PA 19311
Contacts: Jake Chalfin, Sales Manager OR Rick Long, Operations Manager
T: 866-LVSOILS (866-587-6457)
F: 610-268-8601
jacobchalfin AT OR rlong AT
Composting Facility
705 Penn Green Rd.
Landenberg, PA 19350
Product: Bulk – Premium Compost, Blended Topsoils, Professional Growing Media, Custom Blended Products

North Suburban Tree Service, Inc.
1102 Middlesex St.
Gibsonia, PA 15044
Contact: Kathleen Blum
T: 724-443-6300
F: 724-443-6311
kathleen AT

City of Philadelphia/Fairmount Park Organic Recycling Center
1515 Arch St., 10th Fl.
Phila., PA 19102
Contact: Marc Wilken
P: 215-683-0232
F: 215-683-0205
marc.wilken AT
Composting Facility
Fairmount Park Organic Recycling Center
3850 Ford Rd.
Phila., PA 19131
P: 215-685-0108

Terra-Gro, Inc.
106 Lynwood Dr., PO 790
Terre Hill, PA 17581-0790
Contact: Loren Martin
T: 800-359-1384
F: 717-445-7903
terragro AT
Composting Facility
309 Mason Dixon Rd.
Peach Bottom, PA
Terra-gro AT

South Carolina

Brown Packing Co., Inc.
PO 130Gaffney, SC 29342
T: 864-489-5723
F: 864-487-3210
Contacts: Steven Blanton, Controller
sblanton AT
Jim Brown, President
jbrown AT
Composting Facility
Organic Alternative Solutions
140 Hamlet Rd.
Gaffney, SC 29340

Charleston County Environmental Management
4045 Bridge View Dr.
North Charleston, SC 29405
T: 843-670-8294
Contact: Harvey Gibson
HGibson AT
Composting Facility
Charleston County Bee’s Ferry Composting Facility
1344 Bee’s Ferry Rd.
Charleston, SC 29414

Scoop-D-Doo, Inc.
PO 12097
Rock Hill, SC 29731
T: 704-507-1294
F: 704-392-6601
Contact: Wayne Searcy
wsandcs AT
Composting Facility
1645 Ginn Rd.
McConnells, SC 29726


Alpine Materials, LLC
1900 Brumlow Ave.
Southlake, TX 76092
Contact: Troy Suhr
T: 817-685-2448
F: 817-251-2330
troy AT
Quarterly compost testing

Angelina & Neches River Authority
Neches Compost Facility
210 E. Lufkin Ave.
Lufkin, TX 75901
Contact: Jon Cheatham
T: 936-633-7868
F: 936-632-2564
info AT
Product: Bulk product and Bagged product, Soil Therapy Compost – Lawn & Landscape blend, Potting Soil
Quarterly compost testing

Aqua-Zyme Services, Inc.
PO Box 800
Van Vleck, TX 77482-0800
T: 979-245-0957
Contact: J. W. Massey
zymme AT
Monthly compost testing

Back to Nature, Inc. – Consumer Compost Use Participant!
PO Box 190
Slaton, TX 79364
Product: Bulk & bagged – manure compost and cotton burr compost
Contact: Jeff Keyes
T: 806-745-1833
jkeyes AT OR mandi AT
2 STA products at this location (manure and cottonburr)
Composting Facility
5407 Slaton Highway
Slaton, TX 79364
Products: Bulk – both a manure compost and cotton burr compost
T: 806-745-3559
Manure compost tested quarterly and cotton burr compost tested bimonthly

Bell County Water Control & Improvement District No. 1
201 S. 38th St.
Killeen, TX 76543
Contact: Wayne Lovett
T: 254-526-6343
F: 254-526-4243
wlovett AT
Composting Facility
Bell County (W.C.I.D. No. 1) Regional Compost Facility
12302 Hwy. 195
Killeen, TX 76542
T: 254-501-3206
F: 254-501-4429
jbright AT OR cmatkinson AT
Bimonthly compost testing

Big Bird Tree Service, Inc. – Temporarily Suspended
401 E. Wheatland Rd.
Dallas, TX 75241
Contact: Irene Eads
P: 972-228-8844
F: 972-228-8855
bigbirdtreeservice AT
Quarterly compost testing

City of Bryan/Brazos Valley SWMA
2988 Pleasant Hill Rd/PO Box 77807
Bryan, TX 77807
Contact: Doug Thompson
T: 979-764-3878
Dthompson AT
Quarterly compost testing

'D’s Recycling Compost Facility
6474 Hwy. 87, N. Sideview Rd.
San Angelo, TX 76901
Contact: Wayne Doucet
T: 325-653-4975
kwdoucet AT
Monthly compost testing

City of Denton
1100 Mayhill Rd.
Denton, TX 76208
Product: Bagged and Bulk
Contact: Gayla Wright
T: 940-349-8290
F: 940-349-8613
gawright AT
Bimonthly compost testing

Discount Materials
4705 W. Industrial Ave.
Midland, TX 79703
Contacts: Steve Clabaugh
T: 432-520-2034
F: 432-520-2039
steve AT
Quarterly compost testing

Garden-Ville (TLM, LLC)/Texas Organic Products
3 Composting Facilities
1 – Texas Organic Products
3606 FM 1327
Buda, TX 78610
Office: 512-421-7678
Cell: 512-851-7316
Contact: Loren Struiksma
lstruiksma AT Product: Bulk – Composted vegetative material,
Pre-Blended Compost Manufactured Topsoil and
Erosion Control Compost & yard trimmings
Monthly compost testing
2 – Garden-Ville Victoria Biosolids Composting Facility
18125 FM 1681
Victoria, TX 77905
T: 361-897-1500
Contact: Stephen Ray
Bimonthly compost testing
3 – Garden-Ville / Texas Organic Products
7561 Evans Rd.
San Antonio, Texas 78266
Contact: Michael Conner
T: 210-483-1932
Cell: 210-279-0514
Product: Bulk – Composted cow manure / stable bedding,
Pre-Blended Compost Manufactured Topsoil
and Erosion Control Compost & yard trimmings
Monthly compost testing

Geosource, Inc.
29768 Bulverde Lane
Bulverde, TX 78163
Contact: Bruce Fly
T: 830-438-8522
bfly AT
Composting Facility
Geosource Bulverde Yard
Bulverde, TX 78163
Product: green residuals compost
Bimonthly compost testing

Green Cow Compost (formerly Shamrock Soil Products & Dairy Cow Compost)
PO 449 Dublin, TX 76446
Contact: Frank Kalsbeek
T: 866-380-0036 toll free
T: 254-445-2011
T: 254-445-2436
greencowcompost AT
Quarterly compost testing

Greener Earth Organics
PO 292
Baytown, TX 77522
T: 281-352-9085
F: 281-421-2513
Composting Facility
12470 Sralla Rd.
Crosby, TX
Bimonthly compost testing

Justin Farms, Inc.
PO 369
Justin, TX 76247
Contact: Rusty Cordell
T: 940-648-3640
F: 940-648-3407
dprcin AT
Quarterly compost testing

LANCO Turf & Seeding
PO 641
Wichita Falls, TX 76307
Contact: Lance & Laura Spragins
T: 940-691-4400
F: 940-691-3999
lancoturf AT
Composting Facility
10984 Wilay Rd.
Quarterly compost testing

Landscapers Pride
PO 368, 146 FM 2793
New Waverly, TX 77358
Contact: Ashley Steely
T: 936-295-2870
F: 936-295-2210
steelylsu AT
Quarterly compost testing

LETCO/Living Earth
9 Composting Facilities/13 STA Products
1 - 5625 Crawford Rd.
Houston, TX 770412
Products: Bulk – Erosion Control & General Use Compost
T: 713-466-7360
F: 713-466-7969
Contact: Richard Stamper
rstamper AT
Quarterly compost testing – Erosion Control compost
Bimonthly compost testing – General Use compost
2 – 12202 Cutten Rd.
Houston, TX 770662
Products: Bulk – Erosion Control & General Use compost
T: 281-537-2377
F: 281-537-2044
ghaney AT
Monthly compost testing
3 – 1700 Highway 90A
East Richmond, TX 77469
Product: Bulk – General Use compost
T: 281-342-6113
F: 281-342-6115
kmayo AT
Bimonthly compost testing
4 – PO 959 (Hwy. 96)
Pineland, TX 75968
Product: Bulk – General Use compost
T: 409-584-2155
F: 409-584-2167
bmcdaniel AT
Quarterly compost testing
5 - 1901 California Crossing
Dallas, TX 75220
Product: Bulk – General Use compost
T: 972-869-4332
F: 972-869-9498
ptomaso AT
Monthly compost testing
6 – 1503 Industrial Hwy.
Missouri City, TX 77489
Product: Bulk – Erosion Control compost
T: 281-499-5641
F: 281-261-5969
bbillings AT
Bimonthly compost testing
7 – 20611 US Hwy. 59
New Caney, TX 773572
Products: Bulk – General Use & Erosion Control compost
T: 281-689-6083
pcarrell AT
Bimonthly compost testing – Erosion Control compost
Quarterly compost testing – General Use compost
8 – Katy Freeway Facility
16717 Katy Freeway
Houston TX 77094
T: 281-579-1472
jslack AT
Product: Bulk – Erosion control compost
dwalker AT
Quarterly compost testing
9 – Living Earth McCarty
5757 ‘L’ Oates Rd.
Houston TX
T: 713-984-4699
Product: Bulk – Erosion Control & General Use compost
sestes AT
Bimonthly compost testing

City of McAllen – Consumer Compost Use Participant!
PO Box 220
McAllen, TX 78505
Contact: Roy Custodio
T: 956-688-3278
F: 956-688-3277
rcustodio AT
Composting Facility
4101 Idela Ave.
McAllen, TX 78503
Quarterly compost testing

Mulch Matters
9911 CE King Pkwy.
Houston, TX 77044
Contact: Chelsea Bloom
T: 281-459-1800
mulchmatters AT
Bimonthly compost testing

Natural Soil Solutions, LLC
PO Box 3300
Mission, TX 78573
Contact: Robert A. Dyer
T: 956-584-1910
F: 956-584-8181
Bob AT
Composting Facility 1.2 Miles N Hwy 107 on 1425
Quarterly compost testing

New Earth, Inc.
2 Composting Facilities
1 – 7800 IH-10 East
San Antonio, TX 78219
Contact: Mike Lininger
T: 210-661-5180
F: 210-666-3363
mlininger AT
Quarterly compost testing
2 – 12286 Hwy. 105
E Conroe, TX 77306
Contact: Clayton Leonard
T: 936-756-4846
F: 936-756-8594
cleonard AT
Quarterly compost testing

Rio Grande Compost c/o Asmussen Horse Center
PO 1861
Laredo, TX 78044
Contact: Tricia Cortez
T: 210-400-6701
F: 956-723-5845
tncortez AT
Composting Faciltity
El Primero Horse Ctr.
23703 FM 1472
Laredo, TX 78045
Bimonthly compost testing

Soil Building Systems, Inc.
1770 Y St.
Dallas, TX 75229
Contact: Baron Ablon
T: 972-831-8181
F: 972-831-8080
Info AT
Bimonthly compost testing

Soil Mender Products
3071 Hwy. 86
Tulia, TX 79088
Contact: Greg Birkenfield
T: 806-627-4276
F: 806-627-4277
greg AT
Composting Facility
7355 FM 928
2 STA Products: Composted cattle manure and composted cotton burrs
Quarterly compost testing

Star S Family L.P.
1601 FM 2133
Ballinger, TX 76821
Contact: Al Stube
T: 325-365-3427
al.strube AT
Quarterly compost testing

Texarkana Water Utilities
PO Box 2008
Texarkana, TX 75504-2008
Contact: Odis Tyler
T: 903-798-3860
tyler AT
Quarterly compost testing

Texas Pure Products/City of Plano
PO 860358
Plano, TX 75086-0358
Product: Bulk & Bagged
Contact: Nancy Nevil
T: 972-769-4264
nancyn AT
Quarterly compost testing

The Ground Up
9945 Windfern Rd.
Houston, TX 77064
Contact: Andrew Jobe
T: 832-217-7972
F: 281-955-1911
andrew.jobe AT
Quarterly compost testing

Trashaway Services
1422 Hughes St.
San Angelo, TX 76903
Contact: Jason Quinton
T: 325-653-6957
F: 325-658-4182
quintonJ AT
Composting Faciltity
San Angelo Landfill
3002 Old Ballinger Hwy.
Quarterly compost testing

Waco Wood Recycling & Materials
268 Antler Rd.
Waco, TX 76712
Contact: Ashley Cathey
T: 254-848-4399
wacowood AT
Quarterly compost testing

Whittlesey Landscape Supplies
3219 S1H 35
Round Rock, TX 78664
Contact: Blake Whittlesey
T: 5112-989-7625
F: 512-491-7195
blake AT
Composting Facility
629 Dalton Lane
Austin, TX 78742
T: 512-385-0732
3 STA Products
1. ‘Dillo Dirt’ compost – quarterly testing
2. Hardwood Mulch – bimonthly testing
3. Organic Compost – quarterly testing

Wholearth Organic Composting
20805 Lamm Rd.
Elmendorf, TX 78112
Contact: Howard Hale
T: 210-621-2456
hhale AT
Monthly compost testing


Central Valley Water Reclamation Facility
800 West Central Valley Rd.
Salt Lake City, UT 84119
Contact: Thomas A. Holstrom
T: 801-973-9100
F: 801-973-9280
holstromt AT
Product: ‘Oquirrh Mountain Compost Products’, derived from Class A, EQ biosolids

PO 50733
Provo, UT 84605-0733
Contact: Adam Allen
T: 801-513-3330
adam AT
Composting Facility
1520 S. Pioneer Rd.
Salt Lake, UT 84104


Intervale Compost Products
282 Intervale Rd.
Burlington, VT 05401
Contacts: Dan Goossen or Eric VanVlandren
F: 802-660-4944
dan AT


Arlington County Solid Waste Bureau
2 STA Products
4300 29th St.,
South Arlington, VA 22206
T: 703-228-6487
F: 703-228-6493
Contact: Scott Sedwick
ssedwick AT

County of Spotsylvania, Dept. of General Services
PO 116 Spotsylvania, VA 22553
Product: Bulk – Biosolids and wood chips/brush
Contact: Kimberly McWhirt/Clara Mills
T: 540-507-7709
F: 540-582-9832
cmills AT
Composting Facility
Livingston Composting Facility
241 Massey Road
T: 540-895-5258
F: 540-895-5329
Product: Bulk – Biosolids and wood chips/brush
dacors AT

Loudin Composting – Consumer Compost Use Participant!
44150 Wade Drive
Chantilly, VA 20152
Contact: Tim Hutchinson
T: 703-327-8428
lcllc AT

McGill Environmental
5056 Beef Steak Road
Waverly, VA 23890
T: 804-834-8820
Contact: thecompostpeople AT

Virginia Peninsulas Public Service Authority (VPPSA)
475 McLaws Circle, Suite B
Williamsburg, VA 23185
Contact: Donnie Bonivich
T: 757-259-9850
F: 757-259-9855
Product: Bulk – VPPSA Compost
DBonivich AT
DMagnant AT
Composting Facility
145 Goodwin Neck Rd.
Yorktown, VA 23692
T: 757-898-5012
F: 757-898-0641


Barr-Tech, LLC
PO 19265
Spokane, WA 99219
Contact: Ted Condon
T: 509-590-0437
tedc AT
Composting Facility
9117 Kallenberger Rd.
Sprague, WA 99032

Cedar Grove Composting, Inc.
7343 E. Marginal Way S.
Seattle, WA 98108
T: 206-832-3068
2 Composting Facilities
1 – Maple Valley
17825 Cedar Grove Road SE
Maple Valley, WA 98038
Contact: Jami Burke
T: 206-832-3068
F: 206-832-3168
jamib AT
2 – Everett Facility
3620 36th Pl., NE
Everett, WA 98205
Contact: Jami Burke
T: 206-832-3068
F: 206-832-3168
jamib AT

Emu Composting & Topsoil
22244 Pt. Gamble Rd., NE
Poulsbo, WA 98370
Contact: Ronald F. Phillips
T: 360-779-5614
Cell: 360-271-6437
emutopsoil AT
Composting Facility
7890 NE Ecology Rd.
Kingston, WA 98346
T: 360-638-0117
F: 360-638-0078
sales AT

Green Earth Technology
774 Meadowlark Ln.
Lynden, WA 98264
Contact: Stephanie Harvey
T: 360-354-4936
F: 360-354-7729
stephanieharvey AT

Joint Base Lewis-McChord
Department of the Army
Directorate of Public Works
Attn.Environmental Division
Bldg. 2012 Liggett Ave.
Box 339500 MS 17
Joint Base Lewis McChord, WA 98433-9500
Contact: Kenneth J. Smith
T: 253-966-3275
F: 253-966-4985
Kenneth.j.smith74.civ AT
Composting Facility
JBLM Composting Facility
Building 7600

Lenz Enterprises, Inc.
PO 868, 5210 SR532
Stanwood, WA 98292
Contact: Jason Lenz
T: 360-629-2933
F: 360-629-6213
jason AT

Natural Selection Farms
PO 419/6800 Emerald Rd.
Sunnyside, WA 98944
Contact: Chelsea Durfey
T: 509-837-3501
F: 509-839-4969
info AT

North Mason Fiber Company
PO 275
Belfair, WA 98528
Contact: Bob Dressel
T: 360-275-0228
F: 360-275-6557
nmfco AT

Pacific Topsoils, Inc.
805 80th St., SW
Everett, WA 98203
Product: Type 1 & 2 compost
Contact: Janusz Bajsarowicz
T: 425-337-2700
januszb AT
Composting Facility
8616 219th St., SE
Woodinville, WA 98203

Pierce County Recycling, Composting & Disposal
17925 Meridian St. East
Puyallup, WA 98375
Product: Bulk
Contact: Samantha Fleischner
T: 253-875-2104
F: 253-847-6799
samanthah AT

City of Port Angeles – Consumer Compost Use Participant!
PO 1150
Port Angeles, WA 95362
Contact: Helen Freilich
T: 360-417-4874
F: 360-452-4972
recycling AT

City of Richland
PO 190, MS #27
Richland, WA 9952
Contact: John Bykonen
P: 509-942-7481
jbykonen AT
Composting Facility
3102 Twin bridges Rd.
Richland, WA 99354
T: 509-942-7498

Riverside Topsoil, Inc.
PO 295
Snohomish, WA 98291
Contact: Verne Wolley, Patty Lightle
T: 425-379-9933
F: 425-293-0889
ar6 AT
Composting Facility
River Rd.
Snohomish, WA 98296

Royal Organic Products, LLC
Contact: Thad Schutt
T: 509-554-3885
tschutt AT
Composting Facility
17405 Rd. 13 SW
Royal City, WA 99357
T: 509-346-9221

Silver Springs Organics, LLC
13835 Military Rd., SE
Rainier, WA 98576
Contacts: Greg Schoenbachler & Samantha Fleischner
T: 360-446-7645
F: 360-446-1197
samanthah AT

Skagit Soils, Inc.
13260 Ball Rd.
Mt. Vernon, WA 98273
Contact: Craig Culmback
T: 360-424-0199
F: 360-416-0495
Product: Compost Mulch

Thomas Farms
PO 1697
Snohomish, WA 98291
Contact: Marvin Thomas
T: 360-568-7645
marv.t AT


City of Appleton – Consumer Compost Use Participant!
2006 E. Newberry St.
Appleton, WI 54915
Contact: Cris Stempa
T: 920-832-5945
chris.stempa AT
Composting Facility
1419 Holland Dr.
Appleton, WI

Purple Cow Organics LLC
PO 620856
Middleton WI 53562
Contact: Jeanne Whitish
T: 608-831-0349
F: 608-836-1878
jwhitish AT
Composting Facility
5211 County Hwy. Q
Middleton, WI 53562

Hsu Greenhouse & Landscape Supply – Consumer Compost Use Participant!
A USDA BioPreferred company!
T6817 Hwy. W
Wausau, WI 54402
Contact: Scott Theiss
T: 715-675-5856
F: 715-675-5301
info AT

Lieseners Soils Inc.
1365 Springvalley Rd.
Jackson, WI 53037
Contact: Ed Kison
T: 262-377-2573
F: 262-677-2306
eddie AT

The Farm’s Custom Work
1137 27th St.
Caledonia, WI 53108
Contact: James Jutrzonka
T: 262-497-8539
james AT

Purple Cow Organics/White Oak Farm, LLC
W360 N8515 Brown St.
Oconomowoc, WI 53066
Contact: Sandy Syburg
T: 920-355-4042
F: 920-355-4043
ssyburg AT


City of Cheyenne – Sanitation Dept.
2101 O’Neil Ave.
Cheyenne WY 82001
Contact: Dennis Pino
T: 307-637-6440
dpino AT
Composting Facility
3714 Windmill Ave.
Cheyenne WY 82001
T: 307-632-5518

City of Gillette
PO 3003
Gillette, WY 82717
T: 307-686-5274
F: 307-686-7699
2 STA products

Articles and Resources

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External Resources

External Articles


  1. Seal of Testing Assurance, Accessed May 3, 2011.
  2. TMECC: Test Methods for the Examination of Composting and Compost Purpose, Composting Process, U.S. Composting Council
  3. Leanne Spaulding, U.S. Composting Council, RE: Happy ICAW 2013!, organizational email to members, May 7, 2013.
  4. U.S. Composting Council,, Million Tomato Compost Campaign website, accessed May 2013.
  5. Seal of Testing Assurance, Accessed May 3, 2011.
  6. Seal of Testing Assurance, Accessed May 3, 2011.
  7. U.S. Composting Council, Seal of Testing Assurance Participants, trade group website, accessed April 24, 2013.