Non-Compliance
Clean Water Act
HIGHWOOD WWTP
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $1,000 in total penalties since records began.
- Address
-
WILLOW LANE
HIGHWOOD, MT 59450
View on map ↗ - County
- CHOUTEAU County
- Inspections
- 1 · last Mar 16, 2023
- Total Penalties
- $1,000 · last Feb 5, 2025
- Registry ID
- 110009860481
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 | Schedule Event unachieved but reported | Oct 25, 2024 | Dec 31, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Oct 25, 2024 | Dec 31, 2024 | Resolved |
| cwa | Schedule Event reported late | Oct 25, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 25, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 20, 2024 | — | Open |
| cwa | Schedule Event unachieved and not reported | Apr 15, 2023 | Aug 28, 2024 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Mar 16, 2023 | Aug 28, 2024 | Resolved |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Mar 16, 2023 | Aug 28, 2024 | Resolved |
| cwa | Reporting Violations - Late Submittal of DMRs | Mar 16, 2023 | Aug 28, 2024 | Resolved |
| cwa | Monitoring Violations - Analysis not Conducted | Mar 16, 2023 | Aug 28, 2024 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Mar 16, 2023 | Aug 28, 2024 | Resolved |
| cwa | Reporting Violations - Failure to Submit DMRs | Mar 16, 2023 | Aug 28, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 14, 2023 | Aug 28, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Sep 30, 2019 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 30, 2019 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 14, 2018 | Oct 6, 2022 | Resolved |
| cwa | Monitoring Violations - Analysis not Conducted | Jan 11, 2018 | Oct 6, 2022 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Jan 11, 2018 | Oct 6, 2022 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 11, 2018 | Oct 6, 2022 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Jan 11, 2018 | Oct 6, 2022 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Jan 11, 2018 | Oct 6, 2022 | Resolved |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Jan 11, 2018 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 14, 2017 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 14, 2016 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 14, 2015 | Oct 6, 2022 | Resolved |
| cwa | Reporting Violations - Late Submittal of DMRs | Mar 18, 2014 | Oct 6, 2022 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Mar 18, 2014 | Oct 6, 2022 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Mar 18, 2014 | Oct 6, 2022 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Mar 18, 2014 | Oct 6, 2022 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Mar 18, 2014 | Oct 6, 2022 | Resolved |
| cwa | Reporting Violations - Failure to Submit DMRs | Mar 18, 2014 | Oct 6, 2022 | Resolved |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Mar 18, 2014 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 14, 2014 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 14, 2014 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 14, 2013 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 14, 2013 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 14, 2012 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 14, 2012 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 14, 2011 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 14, 2011 | Oct 6, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Oct 11, 2010 | — | Open |
| cwa | Schedule Event reported late | Oct 11, 2010 | — | Open |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Jun 20, 2010 | Jul 27, 2010 | Resolved |
| cwa | Schedule Event unachieved but reported | Jun 19, 2010 | Aug 11, 2010 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 19, 2010 | — | Open |
| cwa | Schedule Event reported late | Jun 19, 2010 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jun 19, 2010 | Oct 28, 2011 | Resolved |
| cwa | Reporting Violations - Failure to Notify | May 1, 2010 | Jul 27, 2010 | Resolved |
| cwa | Permit Violations - Unapproved Operation | May 1, 2010 | Jul 27, 2010 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Feb 9, 2010 | Oct 28, 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 |
|---|---|---|---|---|---|---|
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 83.06 % | 85.00 | +13% | May 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 3.29 kg/d | 2.86 | +15% | May 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 72.88 % | 85.00 | +81% | Jul 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.75 % | 85.00 | +2% | Jun 2024 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 71.42 % | 85.00 | +91% | Jun 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Overdue | 0.00 % | 85.00 | +567% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Overdue | 30.87 kg/d | 4.40 | +601% | Jun 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 36.00 mg/L | 30.00 | +20% | Jun 2023 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 57.00 % | 85.00 | +187% | Jun 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Overdue | 57.00 % | 85.00 | +187% | Jun 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 5.45 kg/d | 4.40 | +24% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.87 kg/d | 4.40 | +601% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 204.00 mg/L | 45.00 | +353% | Jun 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 0.00 % | 85.00 | +567% | Jun 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 36.00 mg/L | 30.00 | +20% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 204.00 mg/L | 30.00 | +580% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Overdue | 204.00 mg/L | 30.00 | +580% | Jun 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 5.45 kg/d | 4.40 | +24% | Jun 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 5.45 kg/d | 2.86 | +90% | Jun 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 5.45 kg/d | 2.86 | +90% | Jun 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Overdue | 30.87 kg/d | 2.86 | +979% | Jun 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.87 kg/d | 2.86 | +979% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Overdue | 204.00 mg/L | 45.00 | +353% | Jun 2023 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 82.00 % | 85.00 | +20% | May 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 3.35 kg/d | 2.86 | +17% | May 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Overdue | 82.00 % | 85.00 | +20% | May 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 3.35 kg/d | 2.86 | +17% | May 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 3.16 kg/d | 2.86 | +11% | Apr 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 3.16 kg/d | 2.86 | +11% | Apr 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 4.31 kg/d | 2.86 | +51% | Nov 2022 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 4.31 kg/d | 2.86 | +51% | Nov 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 5.15 kg/d | 2.86 | +80% | Dec 2021 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Overdue | 75.70 % | 85.00 | +62% | Dec 2021 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 75.70 % | 85.00 | +62% | Dec 2021 | Open |
| Solids, suspended percent removal | DMR, Limited - Overdue | 60.50 % | 85.00 | +163% | Dec 2021 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 60.50 % | 85.00 | +163% | Dec 2021 | Open |
| Solids, total suspended | DMR, Limited - Overdue | 6.81 kg/d | 4.40 | +55% | Dec 2021 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6.81 kg/d | 4.40 | +55% | Dec 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 34.00 mg/L | 30.00 | +13% | Dec 2021 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 34.00 mg/L | 30.00 | +13% | Dec 2021 | Open |
| Solids, total suspended | DMR, Limited - Overdue | 6.81 kg/d | 2.86 | +138% | Dec 2021 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6.81 kg/d | 2.86 | +138% | Dec 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 5.15 kg/d | 2.86 | +80% | Dec 2021 | Open |
| Solids, total suspended | DMR, Limited - Overdue | 43.00 mg/L | 30.00 | +43% | Dec 2021 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 43.00 mg/L | 30.00 | +43% | Dec 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 5.15 kg/d | 4.40 | +17% | Dec 2021 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 5.15 kg/d | 4.40 | +17% | Dec 2021 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 40.00 % | 85.00 | +300% | Jul 2021 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 74.10 % | 85.00 | +73% | Jul 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3.09 kg/d | 2.86 | +8% | Jul 2021 | 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-FID2898 · Aug 28, 2024
$1,000
State Administrative Order of Consent
Clean Water Act
· Case MT-FID2597 · Jul 1, 2019
State Administrative Order of Consent
Clean Water Act
· Case MT-FID1935 · Aug 11, 2010
$50
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