Non-Compliance
Clean Water Act
LIBBY WWTP
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
-
755 CITY SERVICE ROAD
LIBBY, MT 59923
View on map ↗ - County
- LINCOLN County
- Inspections
- 5 · last Dec 10, 2025
- Total Penalties
- $0
- Registry ID
- 110039828130
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 reported late | Feb 15, 2026 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 15, 2026 | — | Open |
| cwa | WW Storm Water Non-Construction - Failure to Monitor | Dec 10, 2025 | Mar 27, 2026 | Resolved |
| cwa | WW Storm Water Non-Construction - Failure to properly install/implement BMPs | Dec 10, 2025 | Mar 27, 2026 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Dec 10, 2025 | Feb 3, 2026 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Dec 10, 2025 | Feb 3, 2026 | Resolved |
| cwa | Reporting Violations - Failure to Notify | Dec 10, 2025 | Feb 3, 2026 | Resolved |
| cwa | Reporting Violations - Late Submittal of DMRs | Dec 10, 2025 | Feb 3, 2026 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Dec 10, 2025 | Feb 3, 2026 | Resolved |
| cwa | WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP | Dec 10, 2025 | Mar 27, 2026 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Dec 10, 2025 | Feb 3, 2026 | Resolved |
| cwa | WW Storm Water Non-Construction - Failure to Conduct Inspections | Dec 10, 2025 | Mar 27, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 15, 2025 | Mar 13, 2026 | Resolved |
| cwa | Schedule Event reported late | Feb 15, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 15, 2025 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 15, 2025 | Mar 13, 2026 | Resolved |
| cwa | Monitoring Violations - Analysis not Conducted | Dec 6, 2023 | Mar 15, 2024 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Dec 6, 2023 | Mar 15, 2024 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Dec 6, 2023 | Mar 15, 2024 | Resolved |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Feb 16, 2022 | May 10, 2022 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 16, 2022 | May 10, 2022 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Feb 16, 2022 | May 10, 2022 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Feb 16, 2022 | May 10, 2022 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Dec 2, 2013 | Jan 13, 2014 | Resolved |
| cwa | WW SSO - Discharge to Waters | Jul 3, 2012 | Jul 5, 2012 | Resolved |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Aug 17, 2010 | Oct 6, 2010 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Aug 17, 2010 | Oct 6, 2010 | Resolved |
| cwa | Reporting Violations - Late Submittal of DMRs | Aug 17, 2010 | Oct 6, 2010 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Aug 17, 2010 | Oct 6, 2010 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Aug 17, 2010 | Oct 6, 2010 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Aug 17, 2010 | Oct 6, 2010 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | May 19, 2006 | Aug 17, 2010 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Apr 19, 2005 | Oct 19, 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, suspended percent removal | DMR, Limited - Numeric Violation | 64.00 % | 85.00 | +140% | Nov 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 282.80 mg/L | 45.00 | +528% | Aug 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 196.62 mg/L | 30.00 | +555% | Aug 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 313.55 kg/d | 87.17 | +260% | Aug 2021 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 67.83 % | 85.00 | +114% | Aug 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 144.79 kg/d | 55.84 | +159% | Aug 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.
CWA 309A AO For Compliance
Clean Water Act
· Case 08-2003-N005 · Apr 30, 2003
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