# ROCK ISLAND WASTEWATER TREATMENT PLANT, ROCK ISLAND IL: EPA ECHO compliance status: Significant Violation

**Remediation Urgency Score:** 88/100

| Field | Value |
|---|---|
| Facility | ROCK ISLAND WASTEWATER TREATMENT PLANT |
| EPA Registry ID | 110018321920 |
| Address | 1299 MILL ST, ROCK ISLAND, IL, 61201 |
| County | ROCK ISLAND |
| Industry (NAICS) | 221320: Sewage Treatment Facilities |
| SIC | 4952: Sewerage Systems |
| Overall compliance status | Significant Violation |
| Significant noncomplier | Yes |
| Quarters in noncompliance (last 12) | 10 |
| Clean Water Act | Compliance/Permit Schedule - Violations |
| Clean Air Act | Violation w/in 1 Year |
| Formal enforcement actions (5 years) | 1 |
| Total penalties | $0 |
| Last penalty | 02/22/2005 |
| Inspections (5 years) | 3 |
| Last inspection | 2026-06-10 |
| Watershed | Copperas-Duck |

## Why this score
- Flagged as a significant noncomplier, the highest EPA priority tier.
- 10 of the last 12 quarters in noncompliance.
- Violations under 2 statutes (CWA, CAA): a multi-media problem.
- 1 formal enforcement action(s) in 5 years.
- Inspected within the last year (2026-06-10).

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110018321920). 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.