Washington Ag Waste regulations & environmental compliance analysis

Washington Ag Waste: What you need to know

Governing Law and Regulations

National Pollutant Discharge Elimination System (NPDES) permits: Washington Administrative Code (WAC) 173-220-010 to 173-220-240

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State waste discharge permit program: WAC 173-216-010 to 173-216-150

Washington Water Pollution Control Act, Revised Code of Washington (RCW) 90.48

General permits: WAC 173-226-010 to 173-226-250

Washington Dairy Nutrient Management Act, RCW 90.64.05 to 90.64.900

NPDES applicability: RCW 90.64.020 and RCW 90.64.010

Dairy nutrient management: RCW 90.64.005

Registration requirements: RCW 90.64.017

Nutrient management plans (NMPs): RCW 90.64.026

Facility inspections: RCW 90.64.023

Recordkeeping: WAC 16-611-020

Penalties: WAC 16-611-200 and WAC 16-611-300

Public livestock market license: RCW 16.65.360

Regulatory Agencies

Washington Department of Ecology (WDOE) Water Quality Program

Washington Department of Agriculture (WDA)

Local conservation commissions and districts

U.S. Environmental Protection Agency (EPA) Region 10

U.S. Department of Agriculture Natural Resources Conservation Service (NRCS)

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Washington is currently authorized by the U.S. Environmental Protection Agency (EPA) to administer the National Pollutant Discharge Elimination System (NPDES) program for discharges to state surface waters, including those from concentrated animal feeding operations (CAFOs). For more information about the federal CAFO permitting program, see the national section AG WASTE.

Washington's wastewater discharge permit rules predate the federal NPDES program. As a result, some facilities are required to obtain both NPDES ...

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More on this topic:

Governing Law and Regulations
Regulatory Agencies
Comparison: State vs. Federal
State Requirements