MT. SHASTA 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
-
2500 GRANT ROAD
MOUNT SHASTA, CA 96067
View on map ↗ - County
- SISKIYOU County
- Inspections
- 3 · last Nov 3, 2023
- Total Penalties
- $0 · last Oct 7, 2020
- Registry ID
- 110006657411
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.
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 | Permit Violations - Violation Specified in Comment | Mar 31, 2025 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Dec 31, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Nov 30, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Oct 31, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Sep 30, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 31, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jul 31, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jun 30, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | May 31, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 30, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 31, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 29, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jan 31, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Dec 31, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Nov 30, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Oct 31, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 12, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 5, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Sep 8, 2022 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 27, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 26, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 24, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 23, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Oct 13, 2020 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Oct 12, 2020 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Nov 23, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Nov 22, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Nov 20, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Nov 19, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Sep 30, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Sep 21, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 31, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 29, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 26, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 24, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 17, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 16, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 13, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 31, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 20, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jan 31, 2018 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jun 1, 2017 | Aug 31, 2017 | 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 |
|---|---|---|---|---|---|---|
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.03 | +46% | Jan 2026 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.05 | +4% | Apr 2025 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.03 | +84% | Apr 2025 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.05 | +30% | Mar 2025 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.03 | +130% | Mar 2025 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.05 | +12% | Feb 2025 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.03 | +98% | Feb 2025 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.03 | +139% | Jan 2025 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.05 | +35% | Jan 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.46 mg/L | 5.70 | +48% | Dec 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.40 mg/L | 8.90 | +39% | Dec 2024 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.03 | +43% | Dec 2024 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.03 | +65% | Nov 2024 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.05 | +34% | May 2024 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.03 | +137% | May 2024 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +63% | May 2024 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +10% | Apr 2024 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +98% | Apr 2024 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.03 | +144% | Apr 2024 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.05 | +38% | Apr 2024 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.05 | +28% | Mar 2024 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.03 | +127% | Mar 2024 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +68% | Mar 2024 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.03 | +60% | Feb 2024 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.03 | +47% | Jan 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 21.50 mg/L | 5.70 | +277% | Jun 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 21.50 mg/L | 8.90 | +142% | Jun 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.40 mg/L | 5.70 | +153% | May 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.40 mg/L | 7.80 | +85% | May 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.60 mg/L | 5.70 | +86% | Apr 2023 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +111% | Apr 2023 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +14% | Apr 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.60 mg/L | 7.80 | +36% | Apr 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.80 mg/L | 7.80 | +128% | Mar 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 78.31 kg/d | 44.95 | +74% | Mar 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.80 mg/L | 5.70 | +212% | Mar 2023 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.02 | +96% | Mar 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 78.31 kg/d | 61.74 | +27% | Mar 2023 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +262% | Mar 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.30 mg/L | 7.80 | +96% | Feb 2023 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +189% | Feb 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.30 mg/L | 5.70 | +168% | Feb 2023 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +56% | Feb 2023 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +31% | Jan 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.56 mg/L | 5.70 | +68% | Jan 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 73.32 kg/d | 44.95 | +63% | Jan 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 73.32 kg/d | 61.74 | +19% | Jan 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.56 mg/L | 7.80 | +23% | Jan 2023 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +35% | Dec 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 22.10 mg/L | 5.70 | +288% | Dec 2022 | Resolved |
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.