Clean Water Act discharge permit · NPDES CA0081744
DELLEKER WWTP, Portola, CA: NPDES CA0081744 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 195Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
DELLEKER WWTP, held by Grizzly Lake Community Services District, holds NPDES permit CA0081744, which discharges to Middle Fork Feather River. EPA’s file records it issued June 8, 2012 and expiring June 1, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | DELLEKER WWTP |
|---|---|
| Permittee as filed | Grizzly Lake Community Services District |
| NPDES ID | CA0081744 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 8, 2012 |
| Expiration date | June 1, 2017 |
| Address | Portola, CA 96122 |
| Receiving water | Middle Fork Feather River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Humbug Creek-Middle Fork Feather River (HUC 180201230404) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 203Pollutants on file
- 195Under a numeric limit
- 171With a violation of any kind
- 11With 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; the 60 with the most exceedances of 203 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Coliform, total general | 2 | 74 | 22 | March 31, 2026 | 99,999% over the limit |
| Chlorine, total residual | 2 | 72 | 20 | March 31, 2026 | 40,809% over the limit |
| Solids, total suspended | 9 | 223 | 18 | March 31, 2022 | 1,369% over the limit |
| Solids, suspended percent removal | 1 | 38 | 12 | March 31, 2024 | 200% over the limit |
| BOD, 5-day, percent removal | 1 | 37 | 11 | March 31, 2024 | 186% over the limit |
| BOD, 5-day, 20 deg. C | 9 | 209 | 6 | March 31, 2023 | 515% over the limit |
| pH | 4 | 120 | 6 | March 31, 2026 | |
| Nitrogen, ammonia total [as N] | 6 | 106 | 4 | March 31, 2025 | 1,509% over the limit |
| %Surv Static Renewal 96Hr Oncorhynchus mykiss | 2 | 22 | 2 | April 30, 2025 | 100% over the limit |
| % Survival Flow Through 96Hr Acute Oncorhynchus mykiss | 0 | 8 | 2 | April 30, 2025 | 100% over the limit |
| Copper, total recoverable | 6 | 66 | 1 | January 31, 2017 | 123% over the limit |
| Specific conductance | 4 | 112 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 110 | 0 | ||
| Septage discharged to treatment fac. | 2 | 51 | 0 | ||
| Aluminum, total recoverable | 3 | 40 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 29 | 0 | ||
| Iron, total recoverable | 1 | 27 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 26 | 0 | ||
| Nitrogen, nitrite total [as N] | 1 | 26 | 0 | ||
| Nitrogen, nitrate total [as N] | 1 | 26 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 26 | 0 | ||
| Arsenic, total recoverable | 4 | 15 | 0 | ||
| Selenium, total recoverable | 4 | 15 | 0 | ||
| Thallium, total recoverable | 4 | 15 | 0 | ||
| Beryllium, total recoverable [as Be] | 4 | 15 | 0 | ||
| Chromium, hexavalent [as Cr] | 4 | 15 | 0 | ||
| Nickel, total recoverable | 4 | 15 | 0 | ||
| Silver total recoverable | 4 | 15 | 0 | ||
| Zinc, total recoverable | 4 | 15 | 0 | ||
| Cadmium, total recoverable | 4 | 15 | 0 | ||
| Lead, total recoverable | 4 | 15 | 0 | ||
| Antimony, total recoverable | 4 | 15 | 0 | ||
| Mercury, total recoverable | 4 | 15 | 0 | ||
| Chromium, trivalent [as Cr] | 4 | 13 | 0 | ||
| Manganese, total recoverable | 1 | 13 | 0 | ||
| Carbon, dissolved organic [as C] | 0 | 13 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 2 | 6 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 2 | 6 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 2 | 6 | 0 | ||
| Dichlorobromomethane | 2 | 4 | 0 | ||
| Bromoform | 2 | 4 | 0 | ||
| Dibromochloromethane | 2 | 4 | 0 | ||
| Chloroform | 2 | 4 | 0 | ||
| Methylmercury | 2 | 4 | 0 | ||
| Phosphorus, total [as P] | 1 | 2 | 0 | ||
| Cyanide, total [as CN] | 1 | 2 | 0 | ||
| Sulfite [as SO3] | 1 | 2 | 0 | ||
| Sulfide, total [as S] | 1 | 2 | 0 | ||
| Chloride [as Cl] | 1 | 2 | 0 | ||
| Sulfate, total [as SO4] | 1 | 2 | 0 | ||
| Asbestos | 1 | 2 | 0 | ||
| Fluoride, total [as F] | 1 | 2 | 0 | ||
| Chromium, total recoverable | 1 | 2 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 1 | 2 | 0 | ||
| Tributyltin | 1 | 2 | 0 | ||
| Methyl tert-butyl ether [MTBE] | 1 | 2 | 0 | ||
| Carbon tetrachloride | 1 | 2 | 0 | ||
| 1,2-Dichloroethane | 1 | 2 | 0 | ||
| Toluene | 1 | 2 | 0 | ||
| Benzene | 1 | 2 | 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 CA0081744.
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.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.