STOCKETT WATER AND SEWER DISTRICT DOMESTIC WASTEWATER TREATMENT FACILITY
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
-
2/3 MILE NORTH OF STOCKETT ON ROUTE 227 AT THE
STOCKETT, MT 59480
View on map ↗ - County
- CASCADE County
- Inspections
- 2 · last Dec 18, 2025
- Total Penalties
- $0
- Registry ID
- 110011046625
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.
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 - Frequency of Sampling Violation | Dec 18, 2025 | Feb 12, 2026 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Dec 18, 2025 | Feb 12, 2026 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Dec 18, 2025 | Feb 12, 2026 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Dec 18, 2025 | Feb 12, 2026 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Dec 18, 2025 | Feb 12, 2026 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Dec 18, 2025 | Feb 12, 2026 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Sep 7, 2021 | Nov 29, 2021 | Resolved |
| cwa | Monitoring Violations - Analysis not Conducted | Sep 7, 2021 | Nov 29, 2021 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Sep 7, 2021 | Nov 29, 2021 | Resolved |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Sep 7, 2021 | Nov 29, 2021 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Sep 7, 2021 | Nov 29, 2021 | Resolved |
| cwa | Reporting Violations - Late Submittal of DMRs | Dec 15, 2014 | Apr 29, 2015 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Dec 15, 2014 | Apr 29, 2015 | Resolved |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Dec 15, 2014 | Apr 29, 2015 | Resolved |
| cwa | Schedule Event unachieved and not reported | Nov 14, 2014 | Dec 22, 2014 | Resolved |
| cwa | Schedule Event unachieved but reported | Nov 14, 2014 | Dec 22, 2014 | Resolved |
| cwa | Schedule Event reported late | Nov 14, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 14, 2014 | — | Open |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Nov 9, 2014 | Jan 5, 2015 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 28, 2014 | Jun 5, 2014 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 28, 2014 | — | Open |
| cwa | Schedule Event reported late | Jan 28, 2014 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 28, 2014 | Jun 5, 2014 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 14, 2012 | Apr 11, 2017 | Resolved |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Mar 1, 2011 | Jan 10, 2012 | Resolved |
| cwa | Reporting Violations - Late Submittal of DMRs | Mar 1, 2011 | Jan 10, 2012 | Resolved |
| cwa | Permit Violations - Unapproved Operation | Mar 1, 2011 | Jan 10, 2012 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Mar 1, 2011 | Jan 10, 2012 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Mar 1, 2011 | Jan 10, 2012 | Resolved |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Mar 1, 2011 | Jan 10, 2012 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Mar 1, 2011 | Jan 10, 2012 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Mar 1, 2011 | Jan 10, 2012 | Resolved |
| cwa | Effluent Violations - Unauthorized Discharge | Mar 1, 2011 | Jan 10, 2012 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Mar 1, 2011 | Jan 10, 2012 | 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 |
|---|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 46.00 mg/L | 45.00 | +2% | May 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 51.00 % | 65.00 | +40% | May 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 47.30 % | 65.00 | +51% | Jun 2024 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 727.00 MPN/100mL | 252.00 | +188% | Jun 2024 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 727.00 MPN/100mL | 126.00 | +477% | Jun 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 48.00 mg/L | 45.00 | +7% | Jun 2024 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,260.00 | +92% | Dec 2023 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 630.00 | +284% | Dec 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 42.00 % | 65.00 | +66% | Dec 2023 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,046.20 MPN/100mL | 630.00 | +66% | Nov 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 51.00 % | 65.00 | +40% | May 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 8.00 % | 65.00 | +163% | Apr 2023 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 630.00 | +99,999% | Feb 2023 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,260.00 | +99,999% | Feb 2023 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 267.00 MPN/100mL | 1,260.00 | +99,999% | Jan 2023 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 267.00 MPN/100mL | 630.00 | +99,999% | Jan 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | -40.00 % | 65.00 | +300% | May 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 101.00 mg/L | 100.00 | +1% | May 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 98.00 mg/L | 45.00 | +118% | May 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 98.00 mg/L | 65.00 | +51% | May 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 460.00 MPN/100mL | 252.00 | +83% | Apr 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 460.00 MPN/100mL | 126.00 | +265% | Apr 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 533.00 MPN/100mL | 126.00 | +323% | May 2021 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 533.00 MPN/100mL | 252.00 | +112% | May 2021 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 61.00 % | 65.00 | +11% | May 2021 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 370.00 MPN/100mL | 126.00 | +194% | Jun 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 370.00 MPN/100mL | 252.00 | +47% | Jun 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,100.00 MPN/100mL | 630.00 | +75% | Feb 2020 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 68.00 % | 85.00 | +113% | Apr 2019 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 73.00 % | 85.00 | +80% | Jul 2018 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 230.00 MPN/100mL | 126.00 | +83% | Jun 2018 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 78.00 % | 85.00 | +47% | Jun 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 39.00 mg/L | 30.00 | +30% | May 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 144.00 mg/L | 135.00 | +7% | May 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 12.71 kg/d | 5.81 | +119% | May 2017 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 68.00 % | 85.00 | +113% | May 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 4.49 kg/d | 3.86 | +16% | May 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 43.63 kg/d | 17.39 | +151% | May 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 34.80 mg/L | 30.00 | +16% | Apr 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 142.00 mg/L | 135.00 | +5% | Apr 2017 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 64.00 % | 85.00 | +140% | Apr 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 115.00 mg/L | 100.00 | +15% | Jun 2016 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 242.00 MPN/100mL | 126.00 | +92% | Jun 2016 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 32.00 mg/L | 30.00 | +7% | Jun 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 13.08 kg/d | 12.89 | +1% | Jun 2016 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 480.00 MPN/100mL | 252.00 | +90% | Jun 2016 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 30.00 % | 85.00 | +367% | Jun 2016 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 57.00 % | 85.00 | +187% | May 2016 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 79.00 % | 85.00 | +40% | Apr 2016 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 55.00 % | 85.00 | +200% | Oct 2015 | 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.