# National Primary Drinking Water Regulations: Ground Water Rule (GWR)

> **EPA** · Rulemaking · Modified 2026-04-13T18:36:54Z

## Docket
- **Docket ID:** EPA-HQ-OW-2002-0061
- **Agency:** EPA
- **Type:** Rulemaking
- **Last modified:** 2026-04-13T18:36:54Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/EPA-HQ-OW-2002-0061)
- [Public comments](https://www.regulations.gov/docket/EPA-HQ-OW-2002-0061/comments)

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