National Pollutant Discharge Elimination System (NPDES)
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Summary
The National Pollutant Discharge Elimination System (NPDES) is a federal program created in 1972 under the Clean Water Act. It regulates point sources that discharge pollutants into waters of the United States by setting strict effluent and monitoring limits.
| Agency | EPA, OW |
|---|---|
| Data Checkup |
Historical Data Availability
No Known Issue
Future Data Availability
No Known Issue
Data Quality
No Known Issue
Statutory Context
No Known Issue
Staffing and Funding
High Risk
From FY2024 to FY2027, EPA lost more than 25% of its workforce. The FY2027 President's Budget for EPA proposes decreasing funding for EPA by more than 50%, and the FY2027 House Committee Appropriations bill proposes a 20% funding reduction.
Policy
No Known Issue
Last updated: 2026-08-13
Details
| OMB Control Number | 2040-0004 | |||
|---|---|---|---|---|
| Authorizing Statutes | 33 USC 1251 | |||
| Related ICRs |
| Reference Number | Title | Agency | Status | Request Type |
|---|---|---|---|---|
| 202607-2040-001 | New National Pollutant Discharge Elimination System (NPDES) Program (Renewal) | EPA/OW | Received in OIRA | Revision of a currently approved collection |
| 202410-2040-002 | National Pollutant Discharge Elimination System (NPDES) Program (Non-Substantive Change) | EPA/OW | Historical Inactive | No material or nonsubstantive change to a currently approved collection |
| 202201-2040-004 | National Pollutant Discharge Elimination System (NPDES) Program (Renewal) | EPA/OW | Active | Revision of a currently approved collection |