# US NATL PARK SERVICE YOSEMITE NATL PARK, EL PORTAL CA: EPA ECHO compliance status: Violation Identified

**Remediation Urgency Score:** 51/100

| Field | Value |
|---|---|
| Facility | US NATL PARK SERVICE YOSEMITE NATL PARK |
| EPA Registry ID | 110041960679 |
| Address | NATIONAL PARK SERVICE, NPS, EL PORTAL, CA, 95318 |
| County | MARIPOSA |
| Industry (NAICS) | 712190 924120 |
| SIC | 4952: Sewerage Systems, 9512: Land, Mineral, Wildlife Conservation |
| Overall compliance status | Violation Identified |
| Significant noncomplier | No |
| Quarters in noncompliance (last 12) | 11 |
| Clean Water Act | Violation Identified |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 1 |
| Total penalties | $0 |
| Inspections (5 years) | 1 |
| Last inspection | 2024-06-24 |
| Watershed | Upper Merced |

## Why this score
- 11 of the last 12 quarters in noncompliance.
- Current violation under CWA.
- 1 formal enforcement action(s) in 5 years.

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110041960679). Last refreshed: 2026-11-04T18:09:33.420Z.
Compliance data comes from EPA ECHO and may lag state records; a violation flag is not a finding of wrongdoing. Informational only; not legal or engineering advice.