Clean Water Act discharge permit · NPDES CA0102776
HOT CREEK FISH HATCHERY, Mammoth Lakes, CA: NPDES CA0102776 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 27Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
HOT CREEK FISH HATCHERY, held by California Department of Fish and Game, holds NPDES permit CA0102776, which discharges to Hot Creek. EPA’s file records it issued June 14, 2006 and expiring June 14, 2011. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | HOT CREEK FISH HATCHERY |
|---|---|
| Permittee as filed | California Department of Fish and Game |
| NPDES ID | CA0102776 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 14, 2006 |
| Expiration date | June 14, 2011 |
| Address | Mammoth Lakes, CA 93546 |
| Receiving water | HOT CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Hot Creek (HUC 180901020205) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 29Pollutants on file
- 27Under a numeric limit
- 19With a violation of any kind
- 7With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 16 | 410 | 285 | June 30, 2026 | |
| Nitrite + Nitrate total [as N] | 20 | 53 | 44 | March 31, 2021 | 140% over the limit |
| Nitrogen, total [as N] | 8 | 63 | 16 | December 31, 2025 | 250% over the limit |
| Solids, Total Suspended, Net Value | 8 | 63 | 11 | January 31, 2025 | 83% over the limit |
| Potassium permanganate | 8 | 22 | 4 | September 30, 2023 | 2,808% over the limit |
| Formaldehyde | 8 | 22 | 4 | September 30, 2023 | 27,285% over the limit |
| Solids, settleable | 8 | 17 | 4 | June 30, 2026 | 6,440% over the limit |
| Solids, total suspended | 12 | 73 | 0 | ||
| Specific conductance | 4 | 31 | 0 | ||
| Flow, in conduit or thru treatment plant | 8 | 26 | 0 | ||
| Chloramine-T | 8 | 16 | 0 | ||
| Turbidity | 8 | 13 | 0 | ||
| Hydrogen peroxide | 4 | 9 | 0 | ||
| PVP-Iodine | 4 | 9 | 0 | ||
| Manganese, total recoverable | 0 | 7 | 0 | ||
| Boron, total recoverable | 4 | 4 | 0 | ||
| Temperature, water deg. fahrenheit | 8 | 3 | 0 | ||
| Oxygen, dissolved [DO] | 8 | 3 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 3 | 0 | ||
| Solids, total dissolved | 12 | 0 | 0 | ||
| Phosphate, ortho, dissolved [as P] | 8 | 0 | 0 | ||
| Copper, total recoverable | 8 | 0 | 0 | ||
| Chloride [as Cl] | 4 | 0 | 0 | ||
| Sulfate, total [as SO4] | 4 | 0 | 0 | ||
| Fluoride, total [as F] | 4 | 0 | 0 | ||
| Oxytetracycline Hydrochloride | 4 | 0 | 0 | ||
| Tricaine Methanesulfonate | 4 | 0 | 0 | ||
| Penicillin G Potassium | 4 | 0 | 0 | ||
| Isoeugenol | 4 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES CA0102776.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID CA0102776 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.