Non-Compliance
Clean Water Act
CORVALLIS 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
-
CENTENNIAL LN
CORVALLIS, MT 59828
View on map ↗ - County
- RAVALLI County
- Inspections
- 1 · last Jun 9, 2023
- Total Penalties
- $0
- Registry ID
- 110013342409
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 | Monitoring Violations - Invalid/Unrepresentative Sample | Jun 9, 2023 | Jun 23, 2023 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jun 9, 2023 | Jun 23, 2023 | Resolved |
| cwa | Reporting Violations - Late Submittal of DMRs | Jan 11, 2016 | Mar 8, 2016 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Jan 11, 2016 | Mar 8, 2016 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Jan 11, 2016 | Mar 8, 2016 | 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 | 435.00 MPN/100mL | 50.00 | +770% | Aug 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 124.00 MPN/100mL | 50.00 | +148% | Apr 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 18.02 kg/d | 16.03 | +12% | Apr 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 18.39 kg/d | 16.03 | +15% | Mar 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 21.38 kg/d | 16.03 | +33% | Feb 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 19.25 kg/d | 16.03 | +20% | Jan 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 16.20 kg/d | 16.03 | +1% | Dec 2024 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,200.00 MPN/100mL | 50.00 | +2,300% | Nov 2024 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 461.00 MPN/100mL | 50.00 | +822% | Sep 2024 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 488.00 MPN/100mL | 50.00 | +876% | Aug 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 22.38 kg/d | 16.03 | +40% | Apr 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 20.38 kg/d | 16.03 | +27% | Jun 2023 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 19.70 kg/d | 16.03 | +23% | May 2023 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 50.00 | +4,740% | Apr 2023 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 50.00 | +4,740% | Mar 2023 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 261.00 MPN/100mL | 50.00 | +422% | Aug 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,900.00 MPN/100mL | 50.00 | +3,700% | Jun 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,730.00 MPN/100mL | 50.00 | +3,360% | May 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,240.00 MPN/100mL | 50.00 | +4,380% | Apr 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 365.00 MPN/100mL | 50.00 | +630% | Mar 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,730.00 MPN/100mL | 50.00 | +3,360% | May 2021 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 517.00 MPN/100mL | 50.00 | +934% | Oct 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 488.00 MPN/100mL | 50.00 | +876% | Aug 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 579.00 MPN/100mL | 50.00 | +1,058% | May 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 579.00 MPN/100mL | 50.00 | +1,058% | Aug 2019 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 161.00 MPN/100mL | 50.00 | +222% | Mar 2019 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 154.00 MPN/100mL | 50.00 | +208% | Jun 2018 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 579.00 MPN/100mL | 50.00 | +1,058% | Oct 2017 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,920.00 MPN/100mL | 50.00 | +3,740% | Sep 2017 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 50.00 | +99,999% | Aug 2017 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 650.00 MPN/100mL | 50.00 | +1,200% | Jul 2016 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 50.00 | +99,999% | Jul 2015 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 49.02 kg/d | 16.03 | +206% | Feb 2015 | Open |
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