# HILLSBORO STP, CITY OF, HILLSBORO IL: EPA ECHO compliance status: Significant Violation

**Remediation Urgency Score:** 73/100

| Field | Value |
|---|---|
| Facility | HILLSBORO STP, CITY OF |
| EPA Registry ID | 110000880315 |
| Address | OLD TAYLORVILLE ROAD, HILLSBORO, IL, 62049 |
| County | MONTGOMERY |
| SIC | 4952: Sewerage Systems |
| Overall compliance status | Significant Violation |
| Significant noncomplier | Yes |
| Quarters in noncompliance (last 12) | 10 |
| Clean Water Act | Effluent - Monthly Average Limit |
| Formal enforcement actions (5 years) | 4 |
| Total penalties | $0 |
| Inspections (5 years) | 0 |
| Last inspection | 2018-12-21 |
| Watershed | Shoal |

## Why this score
- Flagged as a significant noncomplier, the highest EPA priority tier.
- 10 of the last 12 quarters in noncompliance.
- Current violation under CWA.
- 4 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=110000880315). 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.