Non-Compliance
Clean Water Act
MECHANICSBURG WWTP
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
-
90 MILL ST
MECHANICSBURG, OH 43044
View on map ↗ - County
- CHAMPAIGN County
- Inspections
- 4 · last Sep 17, 2025
- Total Penalties
- $0
- Registry ID
- 110009675887
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.
9
Water (CWA)
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 | Schedule Event unachieved and not reported | May 5, 2025 | Aug 4, 2025 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Mar 25, 2021 | — | Open |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Mar 25, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 29, 1990 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 29, 1990 | Nov 30, 1990 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 29, 1990 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 31, 1990 | Oct 7, 1990 | Resolved |
| cwa | Schedule Event achieved late but reported | May 31, 1990 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 31, 1989 | — | Open |
| cwa | Schedule Event achieved late but reported | May 31, 1989 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 30, 1988 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 30, 1988 | Sep 17, 1989 | Resolved |
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 |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.08 kg/d | 2.62 | +18% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.28 mg/L | 2.00 | +114% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.25 mg/L | 3.00 | +175% | Jan 2026 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.21 mg/L | 1.00 | +21% | Dec 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 35.00 mg/L | 18.00 | +94% | Nov 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.66 mg/L | 1.00 | +66% | Nov 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 16.00 mg/L | 12.00 | +33% | Nov 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.66 mg/L | 1.50 | +11% | Nov 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 13.00 mg/L | 12.00 | +8% | Oct 2025 | Resolved |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 959.00 MPN/100mL | 284.00 | +238% | Oct 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.12 mg/L | 1.00 | +12% | Oct 2025 | Resolved |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 328.00 MPN/100mL | 126.00 | +160% | Oct 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.00 mg/L | 18.00 | +122% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.70 mg/L | 1.40 | +21% | Sep 2025 | Resolved |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 24,200.00 MPN/100mL | 284.00 | +8,421% | Sep 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 3.26 mg/L | 1.00 | +226% | Sep 2025 | Resolved |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 3,480.00 MPN/100mL | 126.00 | +2,662% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.70 mg/L | 2.25 | +20% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 17.00 mg/L | 12.00 | +42% | Sep 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 3.26 mg/L | 1.50 | +117% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.90 mg/L | 2.25 | +251% | Aug 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 682.00 MPN/100mL | 126.00 | +441% | Aug 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 9,800.00 MPN/100mL | 284.00 | +3,351% | Aug 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.20 mg/L | 1.40 | +200% | Aug 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 57.00 mg/L | 18.00 | +217% | Jul 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.70 mg/L | 2.25 | +20% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 18.00 kg/d | 15.70 | +15% | Jul 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.60 mg/L | 1.40 | +14% | Jul 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 22.00 mg/L | 12.00 | +83% | Jul 2025 | Resolved |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 960.00 MPN/100mL | 284.00 | +238% | Jul 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.34 mg/L | 1.00 | +34% | Jul 2025 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 18.00 mg/L | 15.00 | +20% | Jul 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.40 mg/L | 2.25 | +51% | Jun 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 24,200.00 MPN/100mL | 284.00 | +8,421% | Jun 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 21.00 mg/L | 18.00 | +17% | Jun 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 502.00 MPN/100mL | 126.00 | +298% | Jun 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 9,800.00 MPN/100mL | 284.00 | +3,351% | May 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 39.00 kg/d | 15.70 | +148% | Apr 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.00 kg/d | 2.62 | +320% | Apr 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.70 kg/d | 1.75 | +54% | Apr 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.80 mg/L | 3.00 | +27% | Apr 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.30 mg/L | 3.00 | +110% | Jan 2025 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 20.00 mg/L | 15.00 | +33% | Jan 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.11 mg/L | 2.00 | +6% | Jan 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.27 mg/L | 1.00 | +27% | Nov 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 19.00 mg/L | 18.00 | +6% | Nov 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 37.00 mg/L | 15.00 | +147% | Oct 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.40 kg/d | 1.20 | +17% | Oct 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 18.00 kg/d | 13.10 | +37% | Oct 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.75 mg/L | 1.50 | +17% | Oct 2024 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
Administrative - Formal
· Case 05-2022-0318 · May 5, 2022
Civil Judicial Action
Clean Water Act
· Case OH-N00000014 · Jun 24, 1988
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