# CASTAIC, CASTAIC CA: EPA ECHO compliance status: Significant Violation

**Remediation Urgency Score:** 86/100

| Field | Value |
|---|---|
| Facility | CASTAIC |
| EPA Registry ID | 110018947292 |
| Address | 37700 TEMPLIN HWY, CASTAIC, CA, 91384 |
| County | LOS ANGELES |
| Industry (NAICS) | 221121 |
| SIC | 4911: Electric Services |
| Overall compliance status | Significant Violation |
| Significant noncomplier | Yes |
| Quarters in noncompliance (last 12) | 11 |
| Clean Water Act | Effluent - Monthly Average Limit |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 2 |
| Total penalties | $249,000 |
| Last penalty | 03/05/2025 |
| Inspections (5 years) | 3 |
| Last inspection | 2025-02-25 |
| Watershed | Santa Clara |

## Why this score
- Flagged as a significant noncomplier, the highest EPA priority tier.
- 11 of the last 12 quarters in noncompliance.
- Current violation under CWA.
- 2 formal enforcement action(s) in 5 years.
- $249,000 in penalties: remediation has a clear cost of inaction.

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110018947292). Last refreshed: 2026-11-03T18:05:36.266Z.
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.