Non-Compliance
Clean Water Act
MACKAY 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
-
TRAMWAY RD
MACKAY, ID 83251
View on map ↗ - County
- CUSTER County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Total Penalties
- $0
- Registry ID
- 110009726001
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 and not reported | Jan 31, 2026 | Mar 3, 2026 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2025 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2024 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2024 | May 8, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2024 | May 8, 2024 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2024 | — | Open |
| cwa | Schedule Event unachieved and not reported | Nov 1, 2023 | Jan 31, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Oct 31, 2023 | Dec 1, 2023 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 31, 2023 | Apr 17, 2023 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2023 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2023 | Apr 17, 2023 | Resolved |
| cwa | Schedule Event unachieved and not reported | Apr 1, 2022 | May 2, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 31, 2021 | Aug 31, 2021 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 1, 2021 | — | Open |
| cwa | Schedule Event unachieved but reported | Jun 1, 2020 | Aug 13, 2020 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 1, 2020 | Aug 13, 2020 | Resolved |
| cwa | Schedule Event reported late | Jun 1, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 1, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jun 1, 2019 | Jul 2, 2019 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 1, 2018 | — | Open |
| cwa | Schedule Event reported late | Nov 1, 2018 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Aug 30, 2018 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 1, 1988 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 1988 | Dec 22, 1988 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 1, 1988 | Dec 22, 1988 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 1, 1988 | — | Open |
| cwa | Schedule Event unachieved and not reported | Oct 15, 1987 | Jun 3, 1988 | Resolved |
| cwa | Schedule Event achieved late but reported | Oct 15, 1987 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 1, 1987 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 1, 1987 | Apr 29, 1988 | 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 | 57.00 mg/L | 45.00 | +27% | Aug 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 56.50 mg/L | 45.00 | +26% | Sep 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 54.00 % | 65.00 | +31% | May 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 58.00 mg/L | 45.00 | +29% | May 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 54.00 % | 65.00 | +31% | Oct 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 59.50 mg/L | 45.00 | +32% | Oct 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 53.00 mg/L | 45.00 | +18% | Sep 2020 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 17.00 % | 65.00 | +137% | Sep 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 980.40 MPN/100mL | 406.00 | +141% | Aug 2020 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 54.00 % | 65.00 | +31% | Aug 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 425.88 MPN/100mL | 126.00 | +238% | Aug 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 2,419.20 MPN/100mL | 406.00 | +496% | Jul 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 71.50 mg/L | 45.00 | +59% | Jun 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 85.00 mg/L | 65.00 | +31% | Jun 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 165.00 mg/L | 65.00 | +154% | Jun 2020 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 58.00 % | 65.00 | +20% | Jun 2020 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.49 mg/L | 0.47 | +4% | Jun 2018 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.43 mg/L | 0.42 | +2% | Jun 2018 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 47.60 % | 65.00 | +50% | Feb 2017 | Open |