California Water Environment Association

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

The California Water Environment Association (CWEA) is a sewage industry non-profit organization.[1] CWEA has about 9000 members, 80% of whom work for municipal wastewater agencies and collection systems throughout California.[2] CWEA supports applying sewage sludge to land as fertilizer.

Involvement in San Francisco Sludge Controversy

In March 2010, CWEA sent a letter of support to the San Francisco Public Utilities Commission in favor of its sewage sludge compost giveaway program.[3] In their letter, they claimed that applying sewage sludge to land as fertilizer is "safe and time-tested."

CWEA Board and Staff

Contact Information

  • California Water Environment Association
  • 7677 Oakport St., Suite 600
  • Oakland, CA 94621
  • Phone: 510.382.7800
  • Fax: 510.382.7810
  • Email:
  • Web:

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