# Updated Definition of Waters of the United States

> **EPA** · Rulemaking · Modified 2026-04-28T18:59:47Z

## Docket
- **Docket ID:** EPA-HQ-OW-2025-0322
- **Agency:** EPA
- **Type:** Rulemaking
- **Last modified:** 2026-04-28T18:59:47Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/EPA-HQ-OW-2025-0322)
- [Public comments](https://www.regulations.gov/docket/EPA-HQ-OW-2025-0322/comments)

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