Clean Water Act discharge permit · NPDES CA0024490
MCKINLEYVILLE CSD WASTEWATER MANAGEMENT FACILITY, Mckinleyville, CA: NPDES CA0024490 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 145Pollutants under a numeric limit
- 13Pollutants with an effluent exceedance
MCKINLEYVILLE CSD WASTEWATER MANAGEMENT FACILITY, held by McKinleyville Community Services District, holds NPDES permit CA0024490, which discharges to Mad River. EPA’s file records it issued April 19, 2011 and expiring April 18, 2016. 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 | MCKINLEYVILLE CSD WASTEWATER MANAGEMENT FACILITY |
|---|---|
| Permittee as filed | McKinleyville Community Services District |
| NPDES ID | CA0024490 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 19, 2011 |
| Expiration date | April 18, 2016 |
| Address | Mckinleyville, CA 95519 |
| Receiving water | MAD RIVER |
| Subwatershed | Mill Creek-Mad River (HUC 180101020408) |
| 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
- 149Pollutants on file
- 145Under a numeric limit
- 42With a violation of any kind
- 13With 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 149 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 6 | 47 | 39 | January 31, 2012 | 81% over the limit |
| Solids, suspended percent removal | 1 | 25 | 22 | February 28, 2011 | 103% over the limit |
| Solids, total suspended | 4 | 17 | 11 | January 31, 2011 | 74% over the limit |
| Nitrogen, ammonia total [as N] | 1 | 11 | 10 | January 31, 2022 | 110% over the limit |
| Chlorine, total residual | 2 | 13 | 7 | March 31, 2025 | 900% over the limit |
| %Surv Static Renewal 96Hr Oncorhynchus mykiss | 2 | 13 | 5 | May 31, 2009 | 50% over the limit |
| 96Hr Acute Ceriodaphn. Dubia % Srv | 2 | 12 | 4 | May 31, 2009 | 44% over the limit |
| Coliform, total general | 2 | 10 | 4 | May 31, 2024 | 99,999% over the limit |
| Dichlorobromomethane | 1 | 7 | 4 | May 31, 2019 | 146% over the limit |
| Solids, settleable | 2 | 6 | 4 | January 31, 2024 | 99,999% over the limit |
| BOD, 5-day, percent removal | 1 | 6 | 3 | February 28, 2010 | 120% over the limit |
| pH | 2 | 5 | 3 | November 30, 2012 | |
| 4,4'-DDT | 2 | 5 | 2 | March 31, 2010 | 1,610% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 10 | 0 | ||
| Copper, total recoverable | 1 | 9 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 2 | 7 | 0 | ||
| TCDD equivalents | 0 | 4 | 0 | ||
| %Effect Static Renewal 96Hr Acute Oncorhynchus mykiss | 0 | 4 | 0 | ||
| Boron, total recoverable | 1 | 3 | 0 | ||
| Lead, total recoverable | 1 | 3 | 0 | ||
| Bromoform | 1 | 3 | 0 | ||
| .alpha.-BHC | 1 | 3 | 0 | ||
| Solids, total dissolved | 1 | 3 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 2 | 2 | 0 | ||
| Carbon tetrachloride | 1 | 2 | 0 | ||
| Dibromochloromethane | 1 | 2 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 2 | 1 | 0 | ||
| Temperature, water deg. centigrade | 1 | 1 | 0 | ||
| Nitrogen, nitrate total [as N] | 1 | 1 | 0 | ||
| Chloroform | 1 | 1 | 0 | ||
| 1,4-Dichlorobenzene | 1 | 1 | 0 | ||
| 2-Chloroethyl vinyl ether, [mixed] | 1 | 1 | 0 | ||
| 2-Chloronaphthalene | 1 | 1 | 0 | ||
| 2-Chlorophenol | 1 | 1 | 0 | ||
| 2-Nitrophenol | 1 | 1 | 0 | ||
| Di-n-octyl phthalate | 1 | 1 | 0 | ||
| 2,4-Dichlorophenol | 1 | 1 | 0 | ||
| 2,3,7,8-Tetrachlorodibenzo-p-dioxin | 1 | 1 | 0 | ||
| Toxaphene | 1 | 1 | 0 | ||
| %Effect Static Renewal 96Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| Pass/Fail Static Renewal 96Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| Cyanide, total [as CN] | 1 | 0 | 0 | ||
| Arsenic, total recoverable | 1 | 0 | 0 | ||
| Selenium, total recoverable | 1 | 0 | 0 | ||
| Thallium, total recoverable | 1 | 0 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 0 | 0 | ||
| Chromium, trivalent [as Cr] | 1 | 0 | 0 | ||
| Nickel, total recoverable | 1 | 0 | 0 | ||
| Silver total recoverable | 1 | 0 | 0 | ||
| Zinc, total recoverable | 1 | 0 | 0 | ||
| Cadmium, total recoverable | 1 | 0 | 0 | ||
| Antimony, total recoverable | 1 | 0 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 1 | 0 | 0 | ||
| 1,2-Dichloroethane | 1 | 0 | 0 | ||
| Toluene | 1 | 0 | 0 | ||
| Benzene | 1 | 0 | 0 | ||
| .delta.-BHC | 1 | 0 | 0 | ||
| Acenaphthylene | 1 | 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 CA0024490.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, CA0024490.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 CA0024490 there.
Nearby on the register
- Discharge permits in Mckinleyville
- Every permit record in Mckinleyville, A to Z
- Discharge permits in California
- Every permit record in California, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.