Non-Compliance
Clean Water Act
RCRA
LEONARD L NARY WWTP @ MONTOUR RUN
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
1935 HASSAM ROAD
CORAOPOLIS, PA 15108
View on map ↗ - County
- ALLEGHENY County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 22132
- Inspections
- 6 · last Jul 10, 2025
- Total Penalties
- $0
- Registry ID
- 110001062947
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
8
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
Qtrs Non-Compliant
Qtrs Non-Compliant
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Effluent Violations - Numeric effluent violation | Jul 10, 2025 | — | Open |
| cwa | Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)] | Jul 10, 2025 | Sep 29, 2025 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | May 1, 2024 | — | Open |
| cwa | Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)] | May 1, 2024 | Sep 29, 2025 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Aug 16, 2023 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Aug 16, 2023 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jul 9, 2019 | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,300.00 MPN/100mL | 400.00 | +225% | May 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 400.00 | +99,999% | Sep 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 400.00 | +99,999% | Aug 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 6.00 MPN/100mL | 200.00 | +99,999% | Aug 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 400.00 | +505% | May 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,204.00 MPN/100mL | 400.00 | +201% | Apr 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.10 mg/L | 1.60 | +31% | Apr 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.20 mg/L | 1.60 | +38% | Mar 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 10,000.00 | +99,999% | Nov 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 400.00 | +505% | Sep 2018 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 12,100.00 MPN/100mL | 400.00 | +2,925% | Jul 2015 | Open |
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