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Contact Region 9

Pacific Southwest, Region 9

Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations

Dairy Manure Management in the San Joaquin Valley


photo of dairy cows

The San Joaquin Valley Dairy Manure Management program was initiated in 2003 to address environmental issues associated with the Valley's dairy industry. The mission is to develop methods of managing manure as a resource for improving soil quality, fertilizing crops, and generating renewable energy while reducing emissions of pollutants to air and water. Participants include:

  • Federal and State agencies
  • Dairy industry
  • Vendors of manure treatment technologies
  • University researchers and cooperative extension
  • Public interest organizations

The EPA Pacific Southwest Agriculture Program serves as a clearinghouse for information for Dairy Manure Management participants, with the immediate goal of facilitating the construction of pilot or full-scale systems that demonstrate the feasibility of comprehensive manure management systems for dairies. Prerequisites for such comprehensive systems are:

  • Technologies to process all or most of the many constituents of dairy manure
  • Locations that offer conditions conducive to processing dairy manure, including adequate quantities within an efficient radius
  • Policy and regulation that create conditions for beneficial economic as well as environmental outcomes

Exemplary projects will be fully integrated into dairy operations and compatible with the local community, and they will document environmental and economic performance of the system and freely share these results with other participants in the collaborative and with the public.

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