# MCKINLEYVILLE CSD - WASTEWATER TREATMENT PLANT, MCKINLEYVILLE CA: EPA ECHO compliance status: Unknown

**Remediation Urgency Score:** 36/100

| Field | Value |
|---|---|
| Facility | MCKINLEYVILLE CSD - WASTEWATER TREATMENT PLANT |
| EPA Registry ID | 110055897463 |
| Address | 675 HILLER RD, MCKINLEYVILLE, CA, 95519 |
| County | HUMBOLDT |
| SIC | 4952: Sewerage Systems |
| Overall compliance status | Unknown |
| Significant noncomplier | No |
| Quarters in noncompliance (last 12) | 5 |
| Clean Water Act | Unknown |
| Formal enforcement actions (5 years) | 1 |
| Total penalties | $0 |
| Last penalty | 03/25/2011 |
| Inspections (5 years) | 1 |
| Last inspection | 2022-09-15 |
| Watershed | Mad-Redwood |

## Why this score
- 5 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=110055897463). 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.