NPDES: What you need to know

Clean Water Act (CWA), 33 USC 1251 to 1387

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

Definitions: 40 CFR 122.2

Permit applicability: 40 CFR 122.1

Permit exemptions: 40 CFR 122.3

Water transfers: 40 CFR 122.3(i)

Permit term: 40 CFR 122.46

Permit fees: 33 USC 1281

Individual permits: 33 USC 1342

General permits: 40 CFR 122.28

Animal discharge permits: 40 CFR 122.23 to 122.25

Silvicultural discharge permits: 40 CFR 122.27

Stormwater discharge permits: 40 CFR 122.26

Electronic reporting: 40 CFR 127 and Appendix A

Application forms: 40 CFR 122.21(a)(2)

Application content: 40 CFR 122.21

New sources: 40 CFR 122.29

Approval process: 40 CFR 124.6 to 124.8

Appeals: 40 CFR 124.5

Permit transfers: 40 CFR 122.61

Modifications: 40 CFR 122.62

Minor modifications: 40 CFR 122.63

Variances: 40 CFR 122.21

Confidential information: 40 CFR 122.7

Additional considerations: 40 CFR 122.49

Reports: 40 CFR 122.41(j)

Inspections: 40 CFR 122.41(i)

Enforcement: 40 CFR 122.41(a)(2)

Effluent limits: 40 CFR 401 to 471

Secondary treatment: 40 CFR 133.102

Biosolids disposal: 40 CFR 501 to 503

Thermal discharges: 33 USC 1326

Cooling water intakes: 33 USC 1326(b)

Water quality trading: 68 FR 1608

Total maximum daily loads (TMDLs): 33 USC 1313(d)

Pretreatment program: 40 CFR 403

Nonpoint source (NPS) management programs: 33 USC 1329

Combined sewers: 33 USC 1301

Sanitary sewers: 33 USC 1301

Spill Prevention, Control, and Countermeasure (SPCC) plans: 40 CFR 112.8(c)(3)

U.S. Environmental Protection Agency (EPA)

EPA Office of Enforcement and Compliance Assurance (OECA) Water Enforcement Division

The National Pollutant Discharge Elimination System (NPDES) permit program was ...