Oregon NPDES regulations & environmental compliance analysis

Oregon NPDES: What you need to know

Governing Law and Regulations

Water pollution control: Oregon Revised Statutes 468B.005 to 468B.190

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National Pollutant Discharge Elimination System (NPDES) and Water Pollution Control Facilities (WPCF) regulations: Oregon Administrative Rules (OAR) 340-045-0005 to 340-045-0075

NPDES individual permits: OAR 340-045-0015

Application process: OAR 340-045-0030 and OAR 340-045-0035

Fees: OAR 340-045-0075

NPDES general permits: OAR 340-045-0033

Fees: OAR 340-045-0075

WPCF permits: OAR 340-045-0010

Application process for on-site systems: OAR 340-071-0162

Groundwater protection: OAR 340-040-0030

WPCF general permits: OAR 340-045-0033

Sewage disposal licenses: OAR 340-071-0600

Regulatory Agencies

Oregon Department of Environmental Quality (DEQ) Water Quality Division

Oregon Department of Agriculture (ODA)

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

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Oregon is authorized by the U.S. Environmental Protection Agency (EPA) to administer the federal National Pollutant Discharge Elimination System (NPDES) permit program for wastewater discharges, including those associated with stormwater discharges and concentrated animal feeding operations (CAFOs), and pretreatment requirements for industrial users and publicly owned treatment works (POTWs). See the national section NPDES PERMIT and state sections AG WASTE, PRETREATMENT STANDARDS, andSTORMWATER DISCHARGE PERMITS for additional guidance.

Oregon also issues Water Pollution Control Facilities (WPCF) permits for discharges of wastewater with no direct discharge to surface waters, such as land irrigation systems and ...

Read more about NPDES