Non-Compliance
Clean Water Act
OLENTANGY ENVIRONMENTAL CONTROL CENTER
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
-
10333 OLENTANGY RIVER ROAD
POWELL, OH 43065
View on map ↗ - County
- DELAWARE County
- Inspections
- 5 · last Sep 16, 2025
- Total Penalties
- $0
- Registry ID
- 110039777943
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.
8
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 | Effluent Violations - Numeric effluent violation | Mar 31, 2026 | Mar 31, 2026 | Resolved |
| cwa | Other Part 403 noncompliance of substantial concern (Level II - Other) | Mar 31, 2026 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 1, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2015 | — | 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, MTEC-MF | DMR, Limited - Numeric Violation | — MPN/100mL | 126.00 | +99,999% | Oct 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | — MPN/100mL | 284.00 | +99,999% | Oct 2025 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 68.00 mg/L | 10.00 | +580% | Nov 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 30.30 kg/d | 26.80 | +13% | Aug 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.41 mg/L | 1.18 | +104% | Aug 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 23.60 kg/d | 22.80 | +4% | Jun 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.47 mg/L | 1.00 | +47% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.63 mg/L | 1.18 | +38% | May 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.28 mg/L | 0.78 | +64% | May 2024 | Open |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 11.43 mg/L | 10.00 | +14% | May 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 28.50 kg/d | 26.80 | +6% | May 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 22.60 kg/d | 17.70 | +28% | May 2024 | Open |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 9.91 mg/L | 5.86 | +69% | Mar 2024 | Resolved |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 227.00 kg/d | 133.10 | +71% | Mar 2024 | Resolved |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 200.90 kg/d | 133.10 | +51% | Feb 2024 | Resolved |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 14.42 mg/L | 5.86 | +146% | Feb 2024 | Resolved |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 225.30 kg/d | 133.10 | +69% | Jan 2024 | Resolved |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 11.34 mg/L | 5.86 | +94% | Jan 2024 | Resolved |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 13.15 mg/L | 5.86 | +124% | Dec 2023 | Resolved |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 185.20 kg/d | 133.10 | +39% | Dec 2023 | Resolved |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 180.00 kg/d | 133.10 | +35% | Nov 2023 | Resolved |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 15.00 mg/L | 5.86 | +156% | Nov 2023 | Resolved |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 9.83 mg/L | 5.36 | +83% | Oct 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.53 mg/L | 1.18 | +30% | Oct 2023 | Open |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 9.40 mg/L | 5.36 | +75% | Sep 2023 | Resolved |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 128.00 kg/d | 121.70 | +5% | Aug 2023 | Resolved |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 9.41 mg/L | 5.36 | +76% | Aug 2023 | Resolved |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 139.00 kg/d | 104.00 | +34% | Jul 2023 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 7.73 mg/L | 4.58 | +69% | Jul 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.79 mg/L | 0.78 | +1% | Jun 2023 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 6.06 mg/L | 4.58 | +32% | Jun 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.48 mg/L | 1.18 | +195% | Jun 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 50.40 kg/d | 26.80 | +88% | Jun 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.40 mg/L | 1.93 | +24% | Dec 2022 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 120.00 kg/d | 104.00 | +15% | Jan 2022 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 4.64 mg/L | 4.58 | +1% | Aug 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 48.50 kg/d | 43.80 | +11% | Apr 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.30 mg/L | 1.28 | +2% | Apr 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.58 mg/L | 1.93 | +85% | Apr 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 29.40 kg/d | 26.80 | +10% | Oct 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.54 mg/L | 1.18 | +31% | Oct 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.37 mg/L | 1.18 | +16% | May 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.32 mg/L | 1.28 | +3% | Dec 2019 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 5.15 mg/L | 4.58 | +12% | Apr 2019 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 113.00 kg/d | 104.00 | +9% | Mar 2017 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | — MPN/100mL | 126.00 | +99,999% | Aug 2016 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | — MPN/100mL | 284.00 | +99,999% | Aug 2016 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | — MPN/100mL | 126.00 | +99,999% | Jul 2016 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | — MPN/100mL | 284.00 | +99,999% | Jul 2016 | Open |
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