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Contact EPA Pacific Southwest

Pacific Southwest, Region 9

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


National Agricultural Statistical Service (NASS), U.S. Department of Agriculture
The Census of Agriculture is the most thorough source of data on the nation's agricultural production. It is the only source of uniform, comprehensive data on production and operator characteristics for each county and state. Congress requires USDA's National Agricultural Statistics Service (NASS to take the Census of Agriculture every five years covering the years ending in "2" and "7" (see below).

National Agricultural Statistics Service (NASS), U.S. Department of Agriculture, Dairy: Milk Cows by Operation/Annual Milk Production, Milk Cows, and Milk per Cow, (1999). From NASS Published Estimates Database On-line (not currently available)
USDA's National Agricultural Statistics Service (NASS) publishes U.S., state, and county agricultural statistics for many commodities. Each year, NASS conducts hundreds of surveys and prepares reports covering virtually every facet of U.S. agriculture. In addition, NASS's 45 State Statistical Offices publish data about many of the same topics for local audiences. The NASS mission is to serve the basic data needs of people working in agriculture, and those living in rural communities, by providing usable and accurate statistical information, and services to support informed decision making.

Nitrate Working Group, California Department of Food and Agriculture (CDFA), Nitrate and Agriculture in California, (February 1989)
In 1988, the Director CDFA appointed a twelve-member Nitrate Working Group to investigate and report on nitrate in ground water. The group consisted of individuals from agribusiness, state government, and the University of California. The report provides practical information that farming operations can use to reduce nitrate pollution of ground water.

State Water Resources Control Board, Nitrate in Drinking Water: Report to Legislature (PDF) (October, 1988)
This report documents nitrate contamination's threat to California drinking water sources (primarily ground water supplies). The sources of nitrate problems identified here include fertilizer use, large concentrations of confined animals, and individual septic systems.

State Water Resources Control Board California 305(b) Report on Water Quality Exiting EPA (disclaimer)
Every two years the California State Water Resources Control Board submits a report on the state's water quality to EPA pursuant to Section 305(b) of the Clean Water Act. These reports serve as the basis for the EPA's National Water Quality Inventories. The report lists streams and ground water basins impaired by pollutants.

U.S. Department of Agriculture and U.S. Environmental Protection Agency, Unified National Strategy for Animal Feeding Operations (1999)
USDA and EPA's plan for addressing water quality and public health problems associated with animal feeding operations.

"White Papers" from the National Center for Manure & Animal Waste Management
Information on various Animal Waste issues, including air emissions from animal feeding operations.

Air Emissions from Livestock Feeding Operations: Current Knowledge, Future Needs   A project by the National Academy of Science

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