Non-Compliance
Clean Water Act
HINSDALE 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
-
NEAREST 448 OHIO STREET
HINSDALE, MT 59241
View on map ↗ - County
- VALLEY County
- Inspections
- 1 · last Aug 24, 2023
- Total Penalties
- $0
- Registry ID
- 110006723180
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 | Management Practice Violations - Failure to Maintain Records | Aug 24, 2023 | Nov 3, 2023 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Aug 24, 2023 | Nov 3, 2023 | Resolved |
| cwa | Monitoring Violations - Analysis not Conducted | Aug 24, 2023 | Nov 3, 2023 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Aug 24, 2023 | Nov 3, 2023 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Jul 25, 2019 | Aug 28, 2019 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Jul 25, 2019 | Aug 28, 2019 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Jul 25, 2019 | Aug 28, 2019 | Resolved |
| cwa | Monitoring Violations - Analysis not Conducted | Jul 25, 2019 | Aug 28, 2019 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jul 25, 2019 | Aug 28, 2019 | Resolved |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Nov 5, 2013 | Jan 3, 2014 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Nov 5, 2013 | Jan 3, 2014 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Nov 5, 2013 | Jan 3, 2014 | Resolved |
| cwa | Reporting Violations - Late Submittal of DMRs | May 31, 2009 | Oct 24, 2011 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Apr 30, 2007 | Oct 24, 2011 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Aug 1, 2006 | Oct 24, 2011 | Resolved |
| cwa | Monitoring Violations - No Flow Measurement Device | Aug 1, 2006 | Oct 24, 2011 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Aug 1, 2006 | Oct 24, 2011 | Resolved |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Aug 1, 2006 | Oct 24, 2011 | Resolved |
| cwa | Monitoring Violations - Analysis not Conducted | Aug 1, 2006 | Oct 24, 2011 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Jun 25, 2003 | Oct 24, 2011 | 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 |
|---|---|---|---|---|---|---|
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 400.00 MPN/100mL | 252.00 | +59% | Jun 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 400.00 MPN/100mL | 126.00 | +217% | Jun 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,000.00 MPN/100mL | 126.00 | +1,487% | May 2023 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,000.00 MPN/100mL | 252.00 | +694% | May 2023 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,200.00 MPN/100mL | 630.00 | +249% | Feb 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,200.00 MPN/100mL | 1,260.00 | +75% | Feb 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 150.00 MPN/100mL | 126.00 | +19% | Aug 2021 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 3,700.00 MPN/100mL | 252.00 | +1,368% | Jul 2021 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 3,700.00 MPN/100mL | 126.00 | +2,837% | Jul 2021 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 780.00 MPN/100mL | 630.00 | +24% | Feb 2021 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Feb 2021 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 11.70 mg/L | 10.00 | +17% | Dec 2020 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 11.00 mg/L | 10.00 | +10% | Oct 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 160.00 MPN/100mL | 126.00 | +27% | Apr 2020 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 17.70 mg/L | 10.00 | +77% | Feb 2020 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 19.60 mg/L | 10.00 | +96% | Dec 2019 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 11.10 mg/L | 10.00 | +11% | Nov 2019 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 632.00 MPN/100mL | 252.00 | +151% | Jun 2019 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 632.00 MPN/100mL | 126.00 | +402% | Jun 2019 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 82.00 % | 85.00 | +20% | May 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 44.00 mg/L | 30.00 | +47% | May 2019 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 12.40 mg/L | 10.00 | +24% | Dec 2018 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 239.00 MPN/100mL | 126.00 | +90% | Jul 2018 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 420.00 MPN/100mL | 252.00 | +67% | May 2018 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 23.00 mg/L | 10.00 | +130% | May 2018 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 420.00 MPN/100mL | 126.00 | +233% | May 2018 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,000.00 MPN/100mL | 252.00 | +694% | Jun 2017 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,000.00 MPN/100mL | 126.00 | +1,487% | Jun 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 8.17 kg/d | 5.13 | +59% | Nov 2016 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 11.30 mg/L | 10.00 | +13% | Sep 2016 | 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-FID1953 · Nov 24, 2010