Non-Compliance
Clean Water Act
WINNETT 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
-
8TH AVE E & MAIN ST INTERSECTION
WINNETT, MT 59087
View on map ↗ - County
- PETROLEUM County
- Inspections
- 2 · last Jul 16, 2025
- Total Penalties
- $0 · last Oct 31, 2012
- Registry ID
- 110011047116
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 | Monitoring Violations - Improper Analysis or Lab Error | Jul 16, 2025 | Jan 15, 2026 | Resolved |
| cwa | Effluent Violations - Unauthorized Discharge | Jul 16, 2025 | Jan 15, 2026 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jul 16, 2025 | Jan 15, 2026 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Jul 16, 2025 | Jan 15, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 15, 2022 | Jan 9, 2023 | Resolved |
| cwa | Schedule Event reported late | Jul 15, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2022 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 15, 2022 | Jan 9, 2023 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Sep 8, 2021 | Nov 29, 2021 | Resolved |
| cwa | Effluent Violations - Narrative Effluent Violation | Sep 8, 2021 | Nov 29, 2021 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Sep 8, 2021 | Nov 29, 2021 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2016 | May 10, 2018 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Dec 17, 2013 | Jan 23, 2014 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Dec 17, 2013 | Jan 23, 2014 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Dec 17, 2013 | Jan 23, 2014 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Dec 17, 2013 | Jan 23, 2014 | Resolved |
| cwa | Schedule Event reported late | Nov 7, 2011 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 7, 2011 | — | Open |
| cwa | Schedule Event unachieved but reported | Nov 7, 2011 | — | Open |
| cwa | Schedule Event unachieved and not reported | Nov 7, 2011 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 17, 2011 | Jun 22, 2011 | Resolved |
| cwa | Schedule Event unachieved but reported | Feb 17, 2011 | Jun 22, 2011 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 17, 2011 | — | Open |
| cwa | Schedule Event reported late | Feb 17, 2011 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Mar 30, 2010 | Dec 17, 2010 | Resolved |
| cwa | Monitoring Violations - Analysis not Conducted | Mar 30, 2010 | Dec 17, 2010 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Mar 30, 2010 | Dec 17, 2010 | Resolved |
| cwa | Reporting Violations - Failure to Submit DMRs | Mar 30, 2010 | Dec 17, 2010 | Resolved |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Mar 30, 2010 | Dec 17, 2010 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Mar 30, 2010 | Dec 17, 2010 | Resolved |
| cwa | Permit Violations - Failure to Submit Timely Permit Renewal Application | Mar 30, 2010 | Dec 17, 2010 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Mar 30, 2010 | Dec 17, 2010 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Mar 30, 2010 | Dec 17, 2010 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2009 | Dec 17, 2010 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2008 | Dec 17, 2010 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2007 | Dec 17, 2010 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2007 | Dec 17, 2010 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2006 | Dec 17, 2010 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2005 | Dec 17, 2010 | Resolved |
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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 7.27 kg/d | 4.22 | +72% | Dec 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 7.27 kg/d | 6.36 | +14% | Dec 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6.13 kg/d | 4.22 | +45% | Oct 2025 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 65.20 % | 85.00 | +132% | Mar 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 212,617.60 MPN/100mL | 630.00 | +33,649% | Mar 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 4,611,000.00 MPN/100mL | 1,260.00 | +365,852% | Mar 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 87.00 mg/L | 45.00 | +93% | Mar 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 51.50 mg/L | 30.00 | +72% | Mar 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 100.50 mg/L | 30.00 | +235% | Jun 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 152.00 mg/L | 45.00 | +238% | Jun 2024 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 77.00 % | 85.00 | +53% | May 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 79.00 mg/L | 45.00 | +76% | May 2024 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,670.00 MPN/100mL | 252.00 | +563% | May 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 65.50 mg/L | 30.00 | +118% | May 2024 | Resolved |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 235.11 MPN/100mL | 126.00 | +87% | May 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.50 mg/L | 30.00 | +72% | Apr 2024 | Resolved |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 479.36 MPN/100mL | 126.00 | +280% | Apr 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 60.00 mg/L | 45.00 | +33% | Apr 2024 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 528.00 MPN/100mL | 252.00 | +110% | Apr 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.00 mg/L | 30.00 | +57% | Mar 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 57.00 mg/L | 45.00 | +27% | Mar 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.50 mg/L | 30.00 | +35% | Feb 2024 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 6.81 kg/d | 4.22 | +61% | Jan 2024 | Open |
| Flow rate | DMR, Limited - Numeric Violation | 0.00 MGD | 0.00 | +2,147,483,650% | Sep 2021 | Open |
| Flow rate | DMR, Limited - Numeric Violation | 0.00 MGD | 0.00 | +2,147,483,650% | Sep 2021 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 55.00 % | 85.00 | +200% | Apr 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 10.71 kg/d | 4.22 | +154% | Apr 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 169.00 mg/L | 135.00 | +25% | Apr 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 69.00 mg/L | 45.00 | +53% | Apr 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 54.00 mg/L | 30.00 | +80% | Apr 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 154.50 mg/L | 100.00 | +55% | Apr 2021 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 41.00 % | 85.00 | +293% | Mar 2021 | Open |
| Flow rate | DMR, Limited - Numeric Violation | 0.02 MGD | 0.00 | +2,147,483,650% | Sep 2020 | Open |
| Flow rate | DMR, Limited - Numeric Violation | 0.02 MGD | 0.00 | +2,147,483,650% | Sep 2020 | Open |
| Flow rate | DMR, Limited - Numeric Violation | 0.02 MGD | 0.00 | +2,147,483,650% | Jul 2020 | Open |
| Flow rate | DMR, Limited - Numeric Violation | 0.02 MGD | 0.00 | +2,147,483,650% | Jul 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 320.10 MPN/100mL | 126.00 | +154% | Jul 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 488.40 MPN/100mL | 252.00 | +94% | Jul 2020 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 68.00 % | 85.00 | +113% | Jul 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,132.00 MPN/100mL | 126.00 | +798% | Jun 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,585.00 MPN/100mL | 252.00 | +529% | Jun 2020 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 60.00 % | 85.00 | +167% | Jun 2020 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 34.00 % | 85.00 | +340% | May 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,755.00 MPN/100mL | 252.00 | +993% | May 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 47.50 mg/L | 30.00 | +58% | May 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6.04 kg/d | 4.22 | +43% | May 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 724.25 MPN/100mL | 126.00 | +475% | May 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 63.00 mg/L | 45.00 | +40% | May 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,310.00 MPN/100mL | 252.00 | +420% | Apr 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,340.00 MPN/100mL | 126.00 | +963% | Apr 2020 | 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.
State Administrative Order of Consent
Clean Water Act
· Case MT-FID1970 · Dec 17, 2010
$50
Other facilities in PETROLEUM County, MT
CARRELL OIL COMPANY
WINNETT, MT
CAT CREEK MOSBY ELLIS SAND UNIT
WINNETT, MT
EAST ELLIS SAND UNIT
WINNETT, MT
UNIT 1 NEW BATTERY UNIT 1
WINNETT, MT
WINNETT TOWN OF
WINNETT, MT