Non-Compliance
Clean Water Act
KNOB NOSTER WWTF
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
-
WEST TERMINUS OF COUNTY ROAD 75
KNOB NOSTER, MO 65336
View on map ↗ - County
- JOHNSON County
- Total Penalties
- $0
- Registry ID
- 110064269063
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 | Schedule Event unachieved and not reported | Jan 28, 2026 | Feb 28, 2026 | Resolved |
| cwa | Reporting Violations - Failure to Submit DMRs | Apr 18, 2025 | Apr 24, 2025 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 28, 2025 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Dec 26, 2024 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Sep 23, 2024 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Dec 18, 2023 | — | Open |
| cwa | Reporting Violations - Failure to Submit DMRs | Nov 16, 2023 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Dec 21, 2022 | Dec 22, 2022 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Oct 4, 2021 | Oct 7, 2021 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Feb 5, 2021 | Sep 8, 2021 | Resolved |
| cwa | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | Feb 5, 2021 | Sep 8, 2021 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 5, 2021 | Sep 8, 2021 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Dec 27, 2019 | Jan 6, 2020 | Resolved |
| cwa | Schedule Event reported late | Jan 28, 2015 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 28, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 28, 2015 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 28, 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 |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.20 mg/L | 3.10 | +326% | Jan 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.20 mg/L | 12.20 | +8% | Jan 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 972.20 MPN/100mL | 206.00 | +372% | Sep 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,370.00 MPN/100mL | 1,030.00 | +33% | Sep 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 4,840.00 MPN/100mL | 1,030.00 | +370% | Jul 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.20 mg/L | 1.10 | +9% | Jul 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 527.00 MPN/100mL | 206.00 | +156% | Jul 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 5,128.00 MPN/100mL | 1,030.00 | +398% | Jun 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 44.00 % | 85.00 | +273% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.00 mg/L | 1.50 | +100% | Jun 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,410.30 MPN/100mL | 206.00 | +585% | Jun 2024 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 80.00 % | 85.00 | +33% | Jun 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 76.00 mg/L | 45.00 | +69% | May 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 68.00 % | 85.00 | +113% | May 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 54.00 mg/L | 30.00 | +80% | May 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.70 mg/L | 30.00 | +16% | Apr 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 36.00 mg/L | 30.00 | +20% | Jan 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 30.00 | +60% | Oct 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 45.00 | +7% | Oct 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 12,300.00 MPN/100mL | 1,030.00 | +1,094% | Oct 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.90 mg/L | 1.40 | +179% | Aug 2023 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 15,800.00 MPN/100mL | 1,030.00 | +1,434% | Aug 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 981.70 MPN/100mL | 206.00 | +377% | Aug 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.90 mg/L | 3.60 | +8% | Aug 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,240.00 MPN/100mL | 206.00 | +987% | Jul 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.00 mg/L | 30.00 | +10% | Jul 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.80 mg/L | 1.40 | +100% | Jul 2023 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,240.00 MPN/100mL | 1,030.00 | +117% | Jul 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 575.40 MPN/100mL | 206.00 | +179% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 49.00 mg/L | 45.00 | +9% | Jun 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 71.00 mg/L | 45.00 | +58% | Jun 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 71.00 mg/L | 30.00 | +137% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 42.50 mg/L | 30.00 | +42% | Jun 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 80.00 mg/L | 45.00 | +78% | Mar 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 54.00 mg/L | 30.00 | +80% | Mar 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 34.00 mg/L | 30.00 | +13% | Mar 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.90 mg/L | 3.60 | +8% | Sep 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.70 mg/L | 1.40 | +93% | Sep 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 78.00 mg/L | 45.00 | +73% | Sep 2022 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,230.00 MPN/100mL | 1,030.00 | +19% | Sep 2022 | Open |
| E. coli | DMR, Limited - Numeric Violation | 380.00 MPN/100mL | 206.00 | +84% | Sep 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.60 mg/L | 30.00 | +62% | Sep 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.43 mg/L | 1.40 | +74% | Aug 2022 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 389.00 MPN/100mL | 206.00 | +89% | Aug 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.00 mg/L | 30.00 | +3% | Aug 2022 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 1,960.00 MPN/100mL | 1,030.00 | +90% | Jun 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 38.50 mg/L | 30.00 | +28% | Jun 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.20 mg/L | 1.40 | +57% | Jun 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 50.00 mg/L | 45.00 | +11% | Jun 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 52.00 mg/L | 45.00 | +16% | May 2022 | 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.
CWA 309A AO For Compliance
Clean Water Act
· Case 07-1998-N004 · Sep 29, 1998
CWA 309A AO For Compliance
Clean Water Act
· Case 07-1998-N009 · Sep 29, 1998
CWA 309A AO For Compliance
Clean Water Act
· Case 07-1998-N010 · Sep 29, 1998
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