California NPDES: What you need to know

Governing Law and Regulations

National Pollutant Discharge Elimination System (NPDES) permit requirements: 40 CFR 122

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Porter-Cologne Water Quality Control Act of 1970, California Water Code (CWC) 13000 to 14958

State Report of Waste Discharge (ROWD) Program: CWC 13260 to 13274

Applicability: CWC 13260

Permit process:

Applications: 23 California Code of Regulations (CCR) 2205 and 23 CCR 2206

CEQA requirements: California Environmental Quality Act (CEQA), California Public Resources Code (CPRC) 21062 and CPRC 21063

Approved projects: 23 CCR 2208

Permit conditions:

Monitoring program reports: 23 CCR 2230

Publicly-owned treatment works (POTWs): 23 CCR 2233

Permit term: 23 CCR 2235.4

Compliance schedules: 23 CCR 2231

Fees: 23 CCR 2200.2

Regulatory Agencies

Regional Water Quality Control Boards (RWQCBs)

California Environmental Protection Agency (Cal/EPA)

State Water Resources Control Board (SWRCB) Division of Water Quality

U.S. Environmental Protection Agency (EPA) Region 9

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. California is authorized by the U.S. Environmental Protection Agency (EPA) to administer state permits, general permits, and permits for federal facilities and for pretreatment facilities under the National Pollutant Discharge Elimination System (NPDES) permit program in California. The Porter-Cologne Water Quality Control Act authorizes the State Water Resources Control Board (SWRCB) and Regional Water Quality Control Boards (RWQCBs) to protect state surface water and groundwater quality through the NPDES programs and to issue permits.

Administration and enforcement. Cal/EPA's SWRCB and ...

>> Read more about NPDES

State Requirements

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California NPDES Resources

NPDES Products

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