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Clean Water Act discharge permit · NPDES CA0078956

HANGTOWN CREEK WRF, Placerville, CA: NPDES CA0078956 discharge permit, effluent exceedances, inspections, penalties

HANGTOWN CREEK WRF, held by PLACERVILLE, CITY OF, holds NPDES permit CA0078956, which discharges to Hangtown Creek. EPA’s file records it issued April 25, 2008 and expiring April 1, 2013. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedHANGTOWN CREEK WRF
Permittee as filedPLACERVILLE, CITY OF
NPDES IDCA0078956
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedApril 25, 2008
Expiration dateApril 1, 2013
AddressPlacerville, CA 95667
Receiving waterHANGTOWN CREEK
SubwatershedIndian Creek-Weber Creek (HUC 180201290603)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

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 215 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Coliform, total general33834February 29, 20083,813% over the limit
Nitrogen, ammonia total [as N]5157January 31, 2020262% over the limit
4,4'-DDD377December 31, 20132,147,483,650% over the limit
Heptachlor377December 31, 20132,147,483,650% over the limit
BOD, 5-day, 20 deg. C7345April 30, 201799,999% over the limit
Turbidity3115January 31, 2012
Zinc, total recoverable555January 31, 202016% over the limit
Solids, settleable284September 30, 2010900% over the limit
2,4-Dichlorophenoxyacetic acid444December 31, 20132,147,483,650% over the limit
.beta.-Endosulfan344December 31, 20132,147,483,650% over the limit
Endrin aldehyde344December 31, 20132,147,483,650% over the limit
Endrin344December 31, 20132,147,483,650% over the limit
Dinoseb244December 31, 20132,147,483,650% over the limit
Dalapon244December 31, 20132,147,483,650% over the limit
2,4,5-TP244December 31, 20132,147,483,650% over the limit
Solids, total suspended7413March 31, 201899,999% over the limit
Chlorine, total residual2153December 31, 200814,400% over the limit
pH293October 31, 2008
Aluminum, total recoverable321March 31, 2009159% over the limit
Mercury, total recoverable121September 30, 200857% over the limit
Dibromochloromethane311December 31, 200854% over the limit
Flow, in conduit or thru treatment plant4120
Specific conductance3110
Temperature, water deg. fahrenheit150
Nitrogen, nitrite total [as N]040
BOD, 5-day, percent removal130
Solids, suspended percent removal130
Hardness, total [as CaCO3]220
Solids, total dissolved220
%Surv Static 96Hr Acute Oncorhynchus Mykiss220
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)220
TU Static Renewal 7-Day Chronic Ceriodaphnia dubia220
TU Static Renewal 7-Day Chronic Pimphales promelas220
Nitrogen, nitrate total [as N]020
%Surv Static 96Hr Acute Pimphales Promelas020
Nitrite + Nitrate total [as N]310
Lead, total recoverable210
Copper, total recoverable500
Cyanide, total [as CN]300
Dichlorobromomethane300
Alkalinity, total [as CaCO3]200
Phosphorus, total [as P]200
Sulfite [as SO3]200
Calcium, total [as Ca]200
Magnesium, total recoverable200
Sodium, total [as Na]200
Potassium, total [as K]200
Chloride [as Cl]200
Sulfate, total [as SO4]200
Fluoride, total [as F]200
Arsenic, total recoverable200
Selenium, total recoverable200
Thallium, total recoverable200
Beryllium, total recoverable [as Be]200
Boron, total recoverable200
Barium, total recoverable200
Chromium, hexavalent [as Cr]200
Chromium, trivalent [as Cr]200
Chromium, total [as Cr]200
Nickel, total recoverable200

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES CA0078956.

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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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 CA0078956 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.