Non-Compliance
Clean Water Act
HOT CREEK FISH HATCHERY
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
-
121 HOT CREEK HATCHERY ROAD
MAMMOTH LAKES, CA 93546
View on map ↗ - County
- MONO County
- Inspections
- 2 · last Mar 27, 2024
- Total Penalties
- $0
- Registry ID
- 110013380475
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.
8
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 | Nov 15, 2004 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Aug 19, 2002 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 15, 2001 | — | Open |
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 |
|---|---|---|---|---|---|---|
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.65 mg/L | 0.30 | +117% | Dec 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.50 mg/L | 0.30 | +67% | Dec 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.57 mg/L | 0.30 | +90% | Dec 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.41 mg/L | 0.30 | +37% | Dec 2025 | Open |
| Solids, Total Suspended, Net Value | DMR, Limited - Numeric Violation | 6.80 mg/L | 6.00 | +13% | Jan 2025 | Open |
| Solids, Total Suspended, Net Value | DMR, Limited - Numeric Violation | 6.80 mg/L | 6.00 | +13% | Jan 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.54 mg/L | 0.30 | +80% | Dec 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.62 mg/L | 0.30 | +107% | Dec 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.36 mg/L | 0.30 | +20% | Dec 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.44 mg/L | 0.30 | +47% | Dec 2024 | Open |
| Solids, Total Suspended, Net Value | DMR, Limited - Numeric Violation | 6.10 mg/L | 6.00 | +2% | Jul 2024 | Open |
| Solids, Total Suspended, Net Value | DMR, Limited - Numeric Violation | 6.10 mg/L | 6.00 | +2% | Jul 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 1.05 mg/L | 0.30 | +250% | Dec 2023 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 1.02 mg/L | 0.30 | +240% | Dec 2023 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.79 mg/L | 0.30 | +163% | Dec 2023 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.76 mg/L | 0.30 | +153% | Dec 2023 | Open |
| Potassium permanganate | DMR, Limited - Numeric Violation | 2.85 mg/L | 0.20 | +1,347% | Sep 2023 | Open |
| Potassium permanganate | DMR, Limited - Numeric Violation | 2.85 mg/L | 0.10 | +2,808% | Sep 2023 | Open |
| Formaldehyde | DMR, Limited - Numeric Violation | 9.00 mg/L | 1.30 | +592% | Sep 2023 | Open |
| Formaldehyde | DMR, Limited - Numeric Violation | 9.00 mg/L | 0.65 | +1,285% | Sep 2023 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +900% | Jun 2023 | Resolved |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +900% | Jun 2023 | Open |
| Solids, Total Suspended, Net Value | DMR, Limited - Overdue | 10.00 mg/L | 6.00 | +67% | May 2023 | Resolved |
| Solids, Total Suspended, Net Value | DMR, Limited - Numeric Violation | 10.00 mg/L | 6.00 | +67% | May 2023 | Open |
| Solids, Total Suspended, Net Value | DMR, Limited - Overdue | 10.00 mg/L | 6.00 | +67% | May 2023 | Resolved |
| Solids, Total Suspended, Net Value | DMR, Limited - Numeric Violation | 10.00 mg/L | 6.00 | +67% | May 2023 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +1,900% | Mar 2023 | Resolved |
| Potassium permanganate | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.10 | +2% | Mar 2023 | Open |
| Solids, Total Suspended, Net Value | DMR, Limited - Numeric Violation | 11.00 mg/L | 6.00 | +83% | Jan 2023 | Resolved |
| Solids, Total Suspended, Net Value | DMR, Limited - Numeric Violation | 11.00 mg/L | 6.00 | +83% | Jan 2023 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.66 mg/L | 0.30 | +119% | Dec 2022 | Open |
| Solids, Total Suspended, Net Value | DMR, Limited - Numeric Violation | 8.80 mg/L | 6.00 | +47% | Dec 2022 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.57 mg/L | 0.30 | +88% | Dec 2022 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.66 mg/L | 0.30 | +120% | Dec 2022 | Open |
| Solids, Total Suspended, Net Value | DMR, Limited - Overdue | 8.80 mg/L | 6.00 | +47% | Dec 2022 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.72 mg/L | 0.30 | +139% | Dec 2022 | Open |
| Solids, Total Suspended, Net Value | DMR, Limited - Numeric Violation | 8.80 mg/L | 6.00 | +47% | Dec 2022 | Open |
| Solids, Total Suspended, Net Value | DMR, Limited - Overdue | 8.80 mg/L | 6.00 | +47% | Dec 2022 | Resolved |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 0.44 mg/L | 0.31 | +42% | Mar 2021 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 0.49 mg/L | 0.31 | +58% | Mar 2021 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 0.41 mg/L | 0.31 | +32% | Mar 2021 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 0.49 mg/L | 0.31 | +58% | Mar 2021 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 0.41 mg/L | 0.23 | +78% | Mar 2021 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 0.47 mg/L | 0.23 | +104% | Mar 2021 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 0.49 mg/L | 0.23 | +113% | Mar 2021 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 0.43 mg/L | 0.23 | +87% | Mar 2021 | Open |
| Formaldehyde | DMR, Limited - Numeric Violation | 178.00 mg/L | 1.30 | +13,592% | Dec 2020 | Open |
| Formaldehyde | DMR, Limited - Numeric Violation | 178.00 mg/L | 0.65 | +27,285% | Dec 2020 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 0.24 mg/L | 0.23 | +4% | Jun 2020 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 0.29 mg/L | 0.23 | +28% | Mar 2020 | 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.
State CWA Penalty AO
Clean Water Act
· Case CA-N00003784
State CWA Penalty AO
Clean Water Act
· Case CA-N00001943
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA450657 · Sep 27, 2022
State CWA Non Penalty AO
Clean Water Act
· Case CA-CFEA446987 · Mar 10, 2021
State CWA Penalty AO
Clean Water Act
· Case CA-2010-1017 · Apr 15, 2010
State CWA Non Penalty AO
Clean Water Act
· Case CA-2010-1008 · May 11, 2009
State CWA Non Penalty AO
Clean Water Act
· Case CA-N00001945 · Sep 18, 1995
State CWA Non Penalty AO
Clean Water Act
· Case CA-N00001944 · Apr 1, 1994
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