Non-Compliance
Clean Water Act
CITY OF ARDMORE WASTEWATER TREATMENT PLANT
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $1,500 in total penalties since records began.
- Address
-
3600 SUTTON ROAD
ARDMORE, OK 73401
View on map ↗ - County
- CARTER County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 22132
- Inspections
- 13 · last Jan 21, 2026
- Total Penalties
- $1,500 · last Sep 16, 2024
- Registry ID
- 110024424602
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.
4
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 | Mar 1, 2026 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 10, 2025 | — | Open |
| cwa | Schedule Event unachieved and not reported | Dec 10, 2025 | — | Open |
| cwa | Schedule Event reported late | Dec 10, 2025 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 10, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 12, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2025 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Apr 29, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 14, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 31, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 19, 2020 | — | Open |
| cwa | Management Practice Violations - Best Management Practice Deficiencies | Dec 12, 2019 | — | Open |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Dec 12, 2019 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 24, 2019 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Nov 17, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 31, 2015 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Dec 8, 2015 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 6, 2015 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Oct 5, 2013 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Oct 3, 2013 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Oct 1, 2013 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Dec 19, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 31, 2011 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Nov 9, 2011 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Nov 4, 2011 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Oct 29, 2011 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Oct 26, 2011 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Oct 19, 2011 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Oct 17, 2011 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Oct 12, 2011 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jun 29, 2011 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jan 19, 2011 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | May 5, 2010 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 1, 2010 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 1, 2010 | Jul 7, 2016 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2010 | Jul 7, 2016 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2010 | Mar 5, 2010 | Resolved |
| cwa | Schedule Event reported late | Feb 1, 2010 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 1, 2010 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 1, 2010 | Mar 5, 2010 | Resolved |
| cwa | Schedule Event reported late | Feb 1, 2010 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 31, 2009 | Feb 22, 2010 | Resolved |
| cwa | Schedule Event achieved late but reported | Dec 31, 2009 | — | Open |
| cwa | Schedule Event reported late | Dec 31, 2009 | — | Open |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2009 | Feb 22, 2010 | Resolved |
| cwa | Effluent Violations - Unapproved Bypass | Jul 8, 2009 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Jun 27, 2009 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Jun 26, 2009 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Jun 20, 2009 | — | 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 |
|---|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 24.00 mg/L | 10.00 | +140% | Jan 2026 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 2,030.00 | +19% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 23.30 mg/L | 2.50 | +832% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 225.18 kg/d | 55.84 | +303% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 89.00 mg/L | 15.00 | +493% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 928.29 kg/d | 335.10 | +177% | Jan 2026 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 32.00 mg/L | 15.00 | +113% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 26.90 mg/L | 3.80 | +608% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 139.00 mg/L | 22.50 | +518% | Jan 2026 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 241.57 kg/d | 223.41 | +8% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 25.10 mg/L | 3.80 | +561% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 222.01 kg/d | 55.84 | +298% | Dec 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 23.70 mg/L | 2.50 | +848% | Dec 2025 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 18.00 mg/L | 10.00 | +80% | Dec 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 42.00 mg/L | 15.00 | +180% | Dec 2025 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 25.00 mg/L | 15.00 | +67% | Dec 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 67.10 mg/L | 22.50 | +198% | Dec 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 386.34 kg/d | 335.10 | +15% | Dec 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.50 mg/L | 22.50 | +36% | Nov 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 2,030.00 | +99,999% | Nov 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 25.00 mg/L | 15.00 | +67% | Nov 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 28.60 mg/L | 3.80 | +653% | Nov 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.60 mg/L | 2.50 | +884% | Nov 2025 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 19.60 mg/L | 15.00 | +31% | Nov 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 228.82 kg/d | 55.84 | +310% | Nov 2025 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 16.00 mg/L | 10.00 | +60% | Nov 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 20.50 mg/L | 15.00 | +37% | Oct 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.50 mg/L | 1.50 | +1,533% | Oct 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 26.60 mg/L | 22.50 | +18% | Oct 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 199.31 kg/d | 22.34 | +792% | Oct 2025 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 12.00 mg/L | 5.00 | +140% | Oct 2025 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 16.40 mg/L | 7.50 | +119% | Oct 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 22.90 mg/L | 1.00 | +2,190% | Oct 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 67.60 mg/L | 15.00 | +351% | Sep 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 200.85 kg/d | 22.34 | +799% | Sep 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 127.50 mg/L | 22.50 | +467% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 21.80 mg/L | 1.00 | +2,080% | Sep 2025 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 28.00 mg/L | 5.00 | +460% | Sep 2025 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 254.24 kg/d | 111.68 | +128% | Sep 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.70 mg/L | 1.50 | +1,547% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 630.33 kg/d | 335.10 | +88% | Sep 2025 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 41.00 mg/L | 7.50 | +447% | Sep 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 231.99 kg/d | 111.68 | +108% | Aug 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 89.50 mg/L | 22.50 | +298% | Aug 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 25.00 mg/L | 5.00 | +400% | Aug 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 22.00 mg/L | 1.00 | +2,100% | Aug 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 209.66 kg/d | 22.34 | +839% | Aug 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.00 mg/L | 1.50 | +1,500% | Aug 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 69.00 mg/L | 15.00 | +360% | Aug 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 648.36 kg/d | 335.10 | +93% | Aug 2025 | 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 Non Penalty AO
Clean Water Act
· Case OK-24-221(A) · Feb 27, 2026
State CWA Non Penalty AO
Clean Water Act
· Case OK-S-30804-26-1 · Feb 10, 2026
State CWA Non Penalty AO
Clean Water Act
· Case OK-S-30804-25-2 · Nov 10, 2025
State CWA Non Penalty AO
Clean Water Act
· Case OK-S-30804-25-1 · May 13, 2025
State CWA Penalty AO
Clean Water Act
· Case OK-24-221 · Sep 16, 2024
$1,500
State CWA Non Penalty AO
Clean Water Act
· Case OK-S-30804-24-1 · Jul 11, 2024
State CWA Non Penalty AO
Clean Water Act
· Case OK-S-30804-23-1 · Nov 14, 2023
State CWA Non Penalty AO
Clean Water Act
· Case OK-S-30804-14-1 · Jun 13, 2014
State CWA Penalty AO
Clean Water Act
· Case OK-09-202(B) · Feb 7, 2014
State CWA Non Penalty AO
Clean Water Act
· Case OK-09-202(A) · Mar 5, 2012
State CWA Non Penalty AO
Clean Water Act
· Case OK-09-202 · Nov 18, 2009
State CWA Non Penalty AO
Clean Water Act
· Case OK-S-30804-08-2 · Nov 25, 2008
State CWA Non Penalty AO
Clean Water Act
· Case OK-N00001275 · Jun 6, 2008
State CWA Non Penalty AO
Clean Water Act
· Case OK-N00001039 · Jul 13, 2007
State CWA Non Penalty AO
Clean Water Act
· Case OK-N00001065 · Apr 3, 2007
State Administrative Order of Consent
Clean Water Act
· Case OK-N00001074 · Aug 17, 2006
State Administrative Order of Consent
Clean Water Act
· Case OK-N00000883 · Aug 16, 2006
State CWA Non Penalty AO
Clean Water Act
· Case OK-N00001344 · Mar 23, 2006
State Administrative Order of Consent
Clean Water Act
· Case OK-N00001059 · Jan 25, 2006
State Administrative Order of Consent
Clean Water Act
· Case OK-N00001166 · Dec 21, 2005
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