Non-Compliance
Clean Air Act
Clean Water Act
MIDDLETOWN 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
-
300 OXFORD STATE ROAD
MIDDLETOWN, OH 45044
View on map ↗ - County
- BUTLER County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 4 · last Jul 15, 2025
- Total Penalties
- $0 · last Apr 12, 2018
- Registry ID
- 110000540834
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.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
12
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 | Biosolids - Land Application: Applied to Land at Greater than the Agronomic Rate Violation | Oct 30, 2025 | — | Open |
| cwa | Biosolids - Land Application: Pathogen Reduction Violation | Oct 30, 2025 | — | Open |
| cwa | Biosolids - Land Application: Vector Attraction Reduction Violation | Oct 30, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2023 | Dec 20, 2023 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 1, 2023 | Dec 20, 2023 | Resolved |
| cwa | Schedule Event reported late | Jan 1, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 31, 2018 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 31, 2018 | — | Open |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2018 | — | Open |
| cwa | Schedule Event reported late | Dec 31, 2018 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2010 | Apr 27, 2010 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 1, 2010 | — | Open |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2007 | Jun 30, 2009 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 1, 2007 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 1, 2007 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2007 | Jun 15, 2009 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2005 | Nov 26, 2007 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 1, 2005 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2005 | Jun 20, 2007 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 1, 2005 | — | Open |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2004 | Feb 4, 2005 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 1, 2004 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2004 | — | Open |
| cwa | Schedule Event unachieved and not reported | Apr 1, 2004 | May 5, 2004 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2003 | Jun 15, 2009 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 1, 2003 | — | Open |
| cwa | Pretreatment - Failure to Enforce Against I/U | Aug 22, 1989 | May 30, 1991 | Resolved |
| cwa | Management Practice Violations - Failure to Conduct Inspections | Aug 22, 1989 | Jun 18, 1991 | Resolved |
| cwa | Pretreatment - Failure to Issue SIU Permits | Aug 22, 1989 | Jun 18, 1991 | Resolved |
| cwa | Pretreatment - Failure to Enforce Against I/U | Jun 28, 1988 | Nov 4, 1988 | Resolved |
| cwa | Management Practice Violations - Failure to Conduct Inspections | Jun 28, 1988 | Nov 4, 1988 | 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 |
|---|---|---|---|---|---|---|
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 352.72 MPN/100mL | 284.00 | +24% | Oct 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 258.34 MPN/100mL | 126.00 | +105% | Oct 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 447.86 MPN/100mL | 126.00 | +255% | Jun 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,773.20 MPN/100mL | 284.00 | +524% | Jun 2025 | Open |
| Benzo[a]pyrene | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +4% | Apr 2025 | Open |
| Benzo[a]pyrene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +1,363% | Mar 2025 | Open |
| Dibenz[a,h]anthracene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +163% | Mar 2025 | Open |
| Benzo[b]fluoranthene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +144% | Mar 2025 | Open |
| Benzo[a]pyrene | DMR, Limited - Numeric Violation | 0.04 kg/d | 0.00 | +816% | Mar 2025 | Open |
| Benzo[b]fluoranthene | DMR, Limited - Numeric Violation | 0.06 kg/d | 0.04 | +53% | Mar 2025 | Open |
| Indeno[1,2,3-cd]pyrene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +43% | Mar 2025 | Open |
| Dibenz[a,h]anthracene | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.00 | +66% | Mar 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.70 mg/L | 3.50 | +6% | May 2023 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.10 mg/L | 5.00 | +18% | May 2023 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | — MPN/100mL | 284.00 | +99,999% | Jun 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | — MPN/100mL | 126.00 | +99,999% | Jun 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 4,900.00 kg/d | 4,434.00 | +11% | May 2020 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.15 mg/L | 0.04 | +329% | Aug 2017 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 169.56 MPN/100mL | 126.00 | +35% | May 2017 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,289.60 MPN/100mL | 284.00 | +354% | May 2017 | Open |
| Mercury, total low level | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +2% | Aug 2016 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 307.00 MPN/100mL | 284.00 | +8% | Jul 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.99 mg/L | 2.00 | +300% | Jul 2016 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 488.00 kg/d | 197.00 | +148% | Jul 2016 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.10 mg/L | 3.50 | +189% | Jul 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 648.00 kg/d | 344.00 | +88% | Jul 2016 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | — MPN/100mL | 284.00 | +99,999% | Jun 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 512.00 kg/d | 197.00 | +160% | Jun 2016 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.04 mg/L | 2.00 | +302% | Jun 2016 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 637.00 kg/d | 344.00 | +85% | Jun 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.87 mg/L | 3.50 | +182% | Jun 2016 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | — MPN/100mL | 126.00 | +99,999% | Jun 2016 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.32 mg/L | 5.00 | +14% | May 2016 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | — MPN/100mL | 126.00 | +99,999% | May 2016 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | — MPN/100mL | 284.00 | +99,999% | May 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.16 mg/L | 2.00 | +258% | May 2016 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.26 mg/L | 3.50 | +136% | May 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 544.00 kg/d | 197.00 | +176% | May 2016 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 623.00 kg/d | 344.00 | +81% | May 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6,300.00 kg/d | 4,434.00 | +42% | Apr 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.34 mg/L | 2.00 | +17% | Sep 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.07 mg/L | 3.50 | +102% | Sep 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 395.00 kg/d | 344.00 | +15% | Sep 2015 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 2,699.70 MPN/100mL | 2,000.00 | +35% | Aug 2015 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 11,230.00 MPN/100mL | 2,000.00 | +462% | Jul 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.
Judicial
· Case 05-2006-0311 · Apr 12, 2018
$27,500
Administrative - Formal
· Case 05-2003-0384 · Nov 21, 2003
$45,000
Administrative - Formal
· Case 05-2001-0666 · Aug 2, 2001
Administrative - Formal
· Case 05-1998-0596 · Dec 10, 1997
CWA 309A AO For Compliance
Clean Water Act
· Case 05-1998-N030 · Dec 10, 1997
Administrative - Formal
· Case 05-1997-0738 · Sep 19, 1997
Civil Judicial Action
Clean Water Act
· Case OH-N00006504 · Feb 24, 1994
Civil Judicial Action
Clean Water Act
· Case 05-1994-N035 · Feb 22, 1994
$188,000
Judicial
· Case 05-1991-0131 · Feb 22, 1994
$288,000
CWA 309A AO For Compliance
Clean Water Act
· Case 05-1990-N018 · Mar 30, 1990
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