# DELCORA TREATMENT PLANT - WRTP, CHESTER PA: EPA ECHO compliance status: Unknown

**Remediation Urgency Score:** 53/100

| Field | Value |
|---|---|
| Facility | DELCORA TREATMENT PLANT - WRTP |
| EPA Registry ID | 110007765971 |
| Address | 3201 W FRONT ST, CHESTER, PA, 19013 |
| County | DELAWARE |
| Industry (NAICS) | 221320: Sewage Treatment Facilities |
| SIC | 4952: Sewerage Systems |
| Overall compliance status | Unknown |
| Significant noncomplier | No |
| Quarters in noncompliance (last 12) | 8 |
| Clean Water Act | Unknown |
| Clean Air Act | No Violation Identified |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 2 |
| Total penalties | $42,000 |
| Last penalty | 07/22/2024 |
| Inspections (5 years) | 10 |
| Last inspection | 2026-06-23 |
| Watershed | Lower Delaware |

## Why this score
- 8 of the last 12 quarters in noncompliance.
- Current violation under CWA.
- 2 formal enforcement action(s) in 5 years.
- $42,000 in penalties.
- Inspected within the last year (2026-06-23).

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110007765971). 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.