Clean Water Act
UNIONDALE WWTP
Quick Summary
- •Assessed $0 in total penalties since records began.
- Address
-
COUNTY ROAD 100 W & 550 N
UNIONDALE, IN 46791
View on map ↗ - County
- WELLS County
- Inspections
- 6 · last Mar 5, 2026
- Total Penalties
- $0 · last May 1, 2017
- Registry ID
- 110009974581
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 | Apr 30, 2021 | — | Open |
| cwa | Management Practice Violations - Violation of a milestone in an order | Jul 24, 2020 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jul 24, 2020 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jun 26, 2019 | — | Open |
| cwa | Management Practice Violations - Violation of a milestone in an order | Jun 26, 2019 | — | Open |
| cwa | Management Practice Violations - Violation of a milestone in an order | May 15, 2018 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | May 15, 2018 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jun 15, 2017 | — | Open |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Jun 15, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 31, 2016 | Apr 1, 2020 | Resolved |
| cwa | Schedule Event reported late | May 31, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | May 31, 2016 | — | Open |
| cwa | Schedule Event unachieved but reported | May 31, 2016 | Apr 1, 2020 | Resolved |
| cwa | Schedule Event unachieved and not reported | Nov 30, 2013 | Apr 30, 2014 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 30, 2013 | — | Open |
| cwa | Schedule Event reported late | Nov 30, 2013 | — | Open |
| cwa | Schedule Event unachieved but reported | Nov 30, 2013 | Apr 28, 2014 | Resolved |
| cwa | Schedule Event achieved late but reported | May 5, 2000 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 5, 2000 | Aug 10, 2000 | Resolved |
| cwa | Schedule Event achieved late but reported | May 1, 1998 | — | Open |
| cwa | Schedule Event achieved late but reported | May 22, 1996 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 22, 1996 | Jul 15, 2008 | Resolved |
| cwa | Schedule Event achieved late but reported | Apr 22, 1996 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 22, 1996 | — | Open |
| cwa | Schedule Event unachieved and not reported | Apr 22, 1996 | Jul 15, 2008 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 22, 1996 | — | 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 |
|---|---|---|---|---|---|---|
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 1,011.00 MPN/100mL | 235.00 | +330% | Aug 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 22.10 mg/L | 18.00 | +23% | Dec 2024 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 260.00 MPN/100mL | 125.00 | +108% | May 2023 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.48 mg/L | 1.00 | +148% | May 2023 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 1,300.00 MPN/100mL | 235.00 | +453% | May 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 133.00 mg/L | 30.00 | +343% | Sep 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 7.04 kg/d | 2.54 | +177% | Sep 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 26.74 kg/d | 3.81 | +601% | Sep 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 543.00 mg/L | 45.00 | +1,107% | Sep 2021 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.60 mg/L | 1.00 | +60% | Dec 2020 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.70 mg/L | 1.00 | +70% | Sep 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3.92 kg/d | 3.81 | +3% | Aug 2020 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.60 mg/L | 1.00 | +160% | Aug 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 69.00 mg/L | 45.00 | +53% | Aug 2020 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.20 mg/L | 1.00 | +20% | Jul 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 4.56 kg/d | 3.81 | +20% | May 2020 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.40 mg/L | 1.00 | +40% | May 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.67 mg/L | 12.00 | +6% | Apr 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 19.00 mg/L | 18.00 | +6% | Apr 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.66 kg/d | 1.50 | +11% | Mar 2020 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.50 mg/L | 1.00 | +50% | Mar 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.31 mg/L | 12.00 | +3% | Mar 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 19.90 mg/L | 18.00 | +11% | Mar 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.58 kg/d | 1.50 | +6% | Feb 2020 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.00 mg/L | 1.00 | +100% | Feb 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 19.30 mg/L | 18.00 | +7% | Dec 2019 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.20 mg/L | 1.00 | +20% | Dec 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 50.00 mg/L | 45.00 | +11% | Dec 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.30 mg/L | 30.00 | +11% | Dec 2019 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.10 mg/L | 1.00 | +110% | Nov 2019 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.70 mg/L | 1.00 | +70% | Oct 2019 | Resolved |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,400.00 MPN/100mL | 235.00 | +921% | Oct 2019 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.90 mg/L | 1.00 | +90% | Sep 2019 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.48 mg/L | 12.00 | +12% | Aug 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 82.00 mg/L | 45.00 | +82% | Aug 2019 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.40 mg/L | 1.00 | +40% | Aug 2019 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.70 mg/L | 1.00 | +70% | Jul 2019 | Resolved |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 279.00 MPN/100mL | 235.00 | +19% | Jul 2019 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.20 mg/L | 1.00 | +20% | Jun 2019 | Resolved |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 691.00 MPN/100mL | 235.00 | +194% | May 2019 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 153.00 MPN/100mL | 125.00 | +22% | May 2019 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.30 mg/L | 1.00 | +130% | May 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 52.00 mg/L | 45.00 | +16% | Apr 2019 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 1,046.00 MPN/100mL | 235.00 | +345% | Apr 2019 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.90 mg/L | 1.00 | +90% | Apr 2019 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.90 mg/L | 1.00 | +190% | Mar 2019 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.57 kg/d | 1.50 | +5% | Dec 2018 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 3.94 mg/L | 1.00 | +294% | Dec 2018 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 37.60 mg/L | 18.00 | +109% | Dec 2018 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.80 mg/L | 1.00 | +80% | Sep 2018 | Resolved |
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-24165 · May 1, 2017
$1,062
State Administrative Order of Consent
Clean Water Act
· Case IN-N00002705 · Feb 1, 2001
State Administrative Order of Consent
Clean Water Act
· Case IN-N00002704 · Apr 25, 2000
State Administrative Order of Consent
Clean Water Act
· Case IN-N00002703 · Feb 22, 1996
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