Non-Compliance
Clean Water Act
MONTGOMERY WASTEWATER TREATMENT PLANT
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
-
US 50 1/4 MI E OF MONTGOMERY
MONTGOMERY, IN 47558
View on map ↗ - County
- DAVIESS County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 3 · last Sep 16, 2025
- Total Penalties
- $0 · last Oct 1, 2020
- Registry ID
- 110009738141
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.
2
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 | Management Practice Violations - Inflow/Infiltration (I/I) | Sep 16, 2025 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Sep 16, 2025 | — | Open |
| cwa | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Sep 16, 2025 | — | Open |
| cwa | Management Practice Violations - Inflow/Infiltration (I/I) | Dec 27, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Dec 27, 2022 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Dec 27, 2022 | — | Open |
| cwa | WW SSO - Discharge to Waters | Dec 27, 2022 | — | Open |
| cwa | Management Practice Violations - Inflow/Infiltration (I/I) | Aug 25, 2021 | — | Open |
| cwa | WW SSO - Discharge to Waters | Dec 2, 2019 | — | Open |
| cwa | Management Practice Violations - Inflow/Infiltration (I/I) | Dec 2, 2019 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Jun 1, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 1, 2004 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 1, 2004 | Dec 1, 2004 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Mar 22, 1989 | Aug 3, 1989 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Jun 15, 1988 | Aug 3, 1989 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Jun 9, 1987 | Aug 3, 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 |
|---|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 34.50 mg/L | 25.00 | +38% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 72.70 mg/L | 70.00 | +4% | Aug 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 26.50 mg/L | 25.00 | +6% | Jul 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 28.00 mg/L | 25.00 | +12% | Jun 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 25.80 mg/L | 25.00 | +3% | Mar 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.00 mg/L | 10.40 | +6% | Jan 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 28.00 mg/L | 25.00 | +12% | Jan 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 25.50 mg/L | 25.00 | +2% | May 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 40.90 mg/L | 40.00 | +2% | Apr 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 35.50 mg/L | 25.00 | +42% | Apr 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 21.00 mg/L | 10.40 | +102% | Feb 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 21.00 mg/L | 15.60 | +35% | Feb 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.50 mg/L | 10.40 | +136% | Jan 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 31.00 mg/L | 15.60 | +99% | Jan 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 16.70 mg/L | 15.60 | +7% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.40 mg/L | 10.40 | +29% | Dec 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 16.00 mg/L | 14.40 | +11% | Nov 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.50 mg/L | 9.60 | +9% | Nov 2023 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 28.50 mg/L | 25.00 | +14% | Apr 2023 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 29.10 mg/L | 25.00 | +16% | Apr 2022 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 43.00 mg/L | 40.00 | +8% | Mar 2022 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 36.00 mg/L | 25.00 | +44% | Mar 2022 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 33.50 mg/L | 25.00 | +34% | Feb 2022 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 44.00 mg/L | 40.00 | +10% | Feb 2022 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 27.30 mg/L | 25.00 | +9% | May 2021 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 31.00 mg/L | 25.00 | +24% | Apr 2021 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 28.00 mg/L | 25.00 | +12% | Mar 2021 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 31.00 mg/L | 25.00 | +24% | May 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 71.50 mg/L | 70.00 | +2% | May 2020 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 25.80 mg/L | 25.00 | +3% | Apr 2019 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 26.80 mg/L | 25.00 | +7% | May 2018 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 26.00 mg/L | 25.00 | +4% | Apr 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.10 mg/L | 10.40 | +26% | Mar 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.40 mg/L | 10.40 | +19% | Feb 2018 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 26.50 mg/L | 25.00 | +6% | Jan 2018 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 26.40 mg/L | 25.00 | +6% | Oct 2017 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 43.00 mg/L | 40.00 | +8% | Oct 2017 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 30.80 mg/L | 25.00 | +23% | Apr 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 75.50 mg/L | 70.00 | +8% | Apr 2017 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 27.00 mg/L | 25.00 | +8% | Apr 2016 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 31.00 mg/L | 25.00 | +24% | Apr 2015 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 45.00 mg/L | 40.00 | +13% | Apr 2015 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 26.00 mg/L | 25.00 | +4% | Mar 2015 | 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.
State CWA Penalty AO
Clean Water Act
· Case IN-27059 · Oct 1, 2020
$11,250
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