Non-Compliance
Clean Water Act
OAK BROOK ESTATES WWTP
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
-
0.38 MILES WEST OF THE INTERSECTION OF
WALNUT SHADE, MO 65771
View on map ↗ - County
- TANEY County
- Inspections
- 1 · last Aug 3, 2021
- Total Penalties
- $0
- Registry ID
- 110030763001
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.
10
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 16, 2026 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Dec 16, 2025 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Sep 18, 2024 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Sep 19, 2022 | — | Open |
| cwa | Reporting Violations - Failure to Submit DMRs | Mar 21, 2022 | Apr 19, 2022 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Mar 26, 2021 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Dec 23, 2020 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Feb 6, 2019 | Mar 4, 2019 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Feb 6, 2019 | Mar 4, 2019 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Dec 27, 2017 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Nov 6, 2017 | — | Open |
| cwa | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | Oct 13, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2015 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2014 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2014 | — | 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 |
|---|---|---|---|---|---|---|
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.11 mg/L | 0.50 | +122% | Mar 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.83 mg/L | 2.70 | +5% | Mar 2026 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.84 mg/L | 0.50 | +268% | Dec 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 1,203.00 MPN/100mL | 126.00 | +855% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.90 mg/L | 1.30 | +662% | Sep 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.90 mg/L | 4.50 | +120% | Sep 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.74 mg/L | 0.50 | +48% | Sep 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 1,203.00 MPN/100mL | 630.00 | +91% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.10 mg/L | 1.30 | +600% | Jun 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.10 mg/L | 4.50 | +102% | Jun 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 126.00 | +99,999% | Jun 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 630.00 | +99,999% | Jun 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.87 mg/L | 0.50 | +74% | Mar 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.64 mg/L | 2.70 | +109% | Mar 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 126.00 | +99,999% | Dec 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.10 mg/L | 10.70 | +4% | Dec 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 4.00 mg/L | 0.50 | +700% | Dec 2024 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 630.00 | +99,999% | Dec 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.10 mg/L | 2.70 | +311% | Dec 2024 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 630.00 | +99,999% | Sep 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 126.00 | +99,999% | Sep 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.16 mg/L | 4.50 | +15% | Sep 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.52 mg/L | 0.50 | +204% | Sep 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.16 mg/L | 1.30 | +297% | Sep 2024 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.00 mg/L | 0.50 | +99% | Jun 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.40 mg/L | 1.30 | +469% | Jun 2024 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 126.00 | +99,999% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.40 mg/L | 4.50 | +64% | Jun 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 630.00 | +99,999% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.10 mg/L | 2.70 | +52% | Mar 2024 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.99 mg/L | 0.50 | +98% | Mar 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.50 mg/L | 4.50 | +289% | Jun 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.50 mg/L | 1.30 | +1,246% | Jun 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 126.00 | +99,999% | Jun 2023 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.85 mg/L | 0.50 | +70% | Jun 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 630.00 | +99,999% | Jun 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 488.00 MPN/100mL | 126.00 | +287% | Sep 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.40 mg/L | 1.30 | +162% | Sep 2022 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.78 mg/L | 0.50 | +56% | Sep 2022 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 9,804.00 MPN/100mL | 630.00 | +1,456% | Jun 2022 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.10 mg/L | 0.50 | +120% | Jun 2022 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 9,804.00 MPN/100mL | 126.00 | +7,681% | Jun 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 23.10 mg/L | 10.70 | +116% | Mar 2022 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.20 mg/L | 0.50 | +140% | Mar 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 23.10 mg/L | 2.70 | +756% | Mar 2022 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.99 mg/L | 0.50 | +98% | Mar 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.70 mg/L | 2.70 | +333% | Mar 2021 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 41.40 mg/L | 30.00 | +38% | Mar 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 61.75 mg/L | 30.00 | +106% | Mar 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 61.75 mg/L | 45.00 | +37% | Mar 2021 | Open |
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