Non-Compliance
Clean Water Act
CITY OF TROY 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
-
906 MILL ROAD
TROY, MT 59935
View on map ↗ - County
- LINCOLN County
- Inspections
- 1 · last Mar 14, 2025
- Total Penalties
- $0
- Registry ID
- 110070203318
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.
7
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 | Reporting Violations - Improper/ Incorrect Reporting | Mar 14, 2025 | Apr 28, 2025 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Nov 20, 2019 | Jan 16, 2020 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Nov 20, 2019 | Jan 16, 2020 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Nov 20, 2019 | Jan 16, 2020 | 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 | 40.54 kg/d | 35.41 | +14% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.77 kg/d | 16.34 | +94% | Sep 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 19.86 kg/d | 16.34 | +22% | Aug 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.00 mg/L | 45.00 | +4% | Aug 2025 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 38.00 % | 65.00 | +77% | Aug 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 41.27 kg/d | 35.41 | +17% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.87 kg/d | 16.34 | +89% | Jul 2025 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 34.00 % | 65.00 | +89% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 53.30 kg/d | 35.41 | +51% | Jun 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.35 kg/d | 16.34 | +147% | Jun 2025 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 17.08 kg/d | 16.34 | +5% | Jun 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 29.00 % | 65.00 | +103% | Jun 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 17.83 kg/d | 16.34 | +9% | May 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 61.00 % | 65.00 | +11% | May 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 25.44 kg/d | 16.34 | +56% | May 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 75.00 mg/L | 45.00 | +67% | Nov 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.22 kg/d | 16.34 | +146% | Nov 2024 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 39.00 % | 65.00 | +74% | Nov 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.50 kg/d | 35.41 | +14% | Nov 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 81.00 mg/L | 65.00 | +25% | Nov 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 27.00 % | 65.00 | +109% | Oct 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 41.72 kg/d | 35.41 | +18% | Sep 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 94.50 mg/L | 45.00 | +110% | Sep 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 36.53 kg/d | 16.34 | +124% | Sep 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 95.00 mg/L | 65.00 | +46% | Sep 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Overdue | 64.00 % | 65.00 | +3% | Aug 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 64.00 % | 65.00 | +3% | Aug 2024 | Open |
| Solids, total suspended | DMR, Limited - Overdue | 22.92 kg/d | 16.34 | +40% | Aug 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 22.92 kg/d | 16.34 | +40% | Aug 2024 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 62.00 % | 65.00 | +9% | Apr 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 16.43 kg/d | 16.34 | +1% | Feb 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 53.00 % | 65.00 | +34% | Sep 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 21.27 kg/d | 16.34 | +30% | Jun 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 19.06 kg/d | 16.34 | +17% | Jun 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 20.16 kg/d | 16.34 | +23% | Mar 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 48.00 mg/L | 45.00 | +7% | Mar 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 23.10 kg/d | 16.34 | +41% | Apr 2020 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 49.50 mg/L | 45.00 | +10% | Apr 2020 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 68.00 mg/L | 65.00 | +5% | Mar 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 25.24 kg/d | 16.34 | +54% | Mar 2020 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 47.00 mg/L | 45.00 | +4% | Mar 2020 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 26.39 kg/d | 16.34 | +61% | Apr 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 50.00 mg/L | 45.00 | +11% | Apr 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 23.56 kg/d | 16.34 | +44% | Apr 2018 | Open |
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