Non-Compliance
Clean Water Act
NORTHWYE MHP 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
-
10120 COUNTY ROAD 2020
ROLLA, MO 65401
View on map ↗ - County
- PHELPS County
- Total Penalties
- $0
- Registry ID
- 110006824892
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.
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 | Effluent Violations - Narrative Effluent Violation | Sep 6, 2019 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Sep 6, 2019 | — | Open |
| cwa | Reporting Violations - Failure to Submit DMRs | Jun 27, 2019 | — | 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 | 7.08 mg/L | 1.40 | +406% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.08 mg/L | 3.60 | +97% | Jun 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 770.10 MPN/100mL | 206.00 | +274% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 25.00 mg/L | 2.90 | +762% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 25.00 mg/L | 7.50 | +233% | Dec 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,030.00 | +99,999% | Sep 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 338.00 mg/L | 110.00 | +207% | Sep 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 338.00 mg/L | 70.00 | +383% | Sep 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.78 mg/L | 1.40 | +27% | Sep 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 206.00 | +99,999% | Sep 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.60 mg/L | 7.50 | +1% | Dec 2022 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,030.00 | +99,999% | Dec 2022 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 206.00 | +99,999% | Dec 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.60 mg/L | 2.90 | +162% | Dec 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.12 mg/L | 1.40 | +337% | Jun 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Overdue | 6.12 mg/L | 3.60 | +70% | Jun 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.12 mg/L | 3.60 | +70% | Jun 2020 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 206.00 | +99,999% | Jun 2020 | Open |
| E. coli | DMR, Limited - Overdue | 2,419.60 MPN/100mL | 206.00 | +99,999% | Jun 2020 | Resolved |
| E. coli | DMR, Limited - Overdue | 2,419.60 MPN/100mL | 1,030.00 | +99,999% | Jun 2020 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,030.00 | +99,999% | Jun 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Overdue | 6.12 mg/L | 1.40 | +337% | Jun 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.20 mg/L | 7.50 | +63% | Dec 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,030.00 | +99,999% | Dec 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 206.00 | +99,999% | Dec 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.20 mg/L | 2.90 | +321% | Dec 2019 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.90 mg/L | 3.60 | +397% | Sep 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.90 mg/L | 1.40 | +1,179% | Sep 2019 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 57.00 mg/L | 45.00 | +27% | Sep 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.10 mg/L | 3.60 | +97% | Jun 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.10 mg/L | 1.40 | +407% | Jun 2018 | Open |
| Ammonia [as N] + unionized ammonia | DMR, Limited - Numeric Violation | 22.00 mg/L | 3.60 | +511% | Sep 2017 | Open |
| Ammonia [as N] + unionized ammonia | DMR, Limited - Numeric Violation | 22.00 mg/L | 9.50 | +132% | Sep 2017 | Open |
| Ammonia [as N] + unionized ammonia | DMR, Limited - Numeric Violation | 11.60 mg/L | 5.30 | +119% | Mar 2017 | Resolved |
| Ammonia [as N] + unionized ammonia | DMR, Limited - Numeric Violation | 11.00 mg/L | 5.30 | +108% | Dec 2016 | Resolved |
| Ammonia [as N] + unionized ammonia | DMR, Limited - Numeric Violation | 25.40 mg/L | 3.60 | +606% | Jun 2016 | Open |
| Ammonia [as N] + unionized ammonia | DMR, Limited - Numeric Violation | 25.40 mg/L | 9.50 | +167% | Jun 2016 | Open |
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