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Clean Water Act discharge permit · NPDES CA0079316

PLACER COUNTY SMD NO 1 WWTP, Auburn, CA: NPDES CA0079316 discharge permit, effluent exceedances, inspections, penalties

PLACER COUNTY SMD NO 1 WWTP, held by PLACER CO FACILITY SERVICES, holds NPDES permit CA0079316, which discharges to Rock Creek. EPA’s file records it issued June 23, 2005 and expiring June 1, 2010. 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 filedPLACER COUNTY SMD NO 1 WWTP
Permittee as filedPLACER CO FACILITY SERVICES
NPDES IDCA0079316
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
IssuedJune 23, 2005
Expiration dateJune 1, 2010
AddressAuburn, CA 95603
Receiving waterROCK CREEK
SubwatershedDutch Ravine-Auburn Ravine (HUC 180201610102)

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 197 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrite + Nitrate total [as N]2159112April 30, 2015139% over the limit
Chlorine, total residual415538March 31, 201024,900% over the limit
Coliform, total general419823December 31, 201499,999% over the limit
Chloroform38023April 30, 20151,036% over the limit
pH213521May 31, 2016
Solids, suspended percent removal17720May 31, 2016567% over the limit
BOD, 5-day, 20 deg. C1253114December 31, 201499,999% over the limit
PCB-126032611September 30, 20104% over the limit
Solids, total suspended1252110December 31, 2012175% over the limit
Aluminum, total recoverable4719October 31, 2014121% over the limit
Flow, in conduit or thru treatment plant31707February 28, 200954% over the limit
Turbidity41395December 31, 2009
Tributyltin4295June 30, 20101,400% over the limit
Chlorinated pesticides, total4244March 31, 200699,999% over the limit
Atrazine3214March 31, 2009100% over the limit
Lead, total recoverable3952October 31, 2011100% over the limit
Nitrogen, nitrite total [as N]2812December 31, 200833% over the limit
BOD, 5-day, percent removal1592January 31, 200999,999% over the limit
Di[2-ethylhexyl] phthalate [DEHP]5192June 30, 201054% over the limit
Polychlorinated biphenyls [PCBs]4162June 30, 2010146,959% over the limit
Manganese, total recoverable2142March 31, 200636% over the limit
Nitrogen, ammonia total [as N]42211January 31, 20167% over the limit
Mercury, total recoverable3961March 31, 201272% over the limit
Copper, total recoverable3941November 30, 201313% over the limit
Dichlorobromomethane5591September 30, 2010175% over the limit
Silver total recoverable3161March 31, 2008218% over the limit
Specific conductance21220
Temperature, water deg. fahrenheit1990
Solids, total dissolved2750
Solids, settleable2480
Dibromochloromethane1460
Arsenic, total recoverable1420
Hardness, total [as CaCO3]0410
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)1290
TU Static Renewal 7-Day Chronic Ceriodaphnia dubia1290
TU Static Renewal 7-Day Chronic Pimphales promelas1290
% Survival Static Renewal 96Hr Acute Pimephales promelas0240
Oil and grease4200
Zinc, total recoverable3150
PCB-10163150
PCB-12213150
Iron, total recoverable2140
Methyl tert-butyl ether [MTBE]2140
Alachlor2140
TCDD equivalents4120
Phthalate esters2120
%Surv Static 96Hr Acute Pimphales Promelas2100
Chromium, hexavalent [as Cr]160
Acrolein160
Acrylonitrile160
2-Chloroethyl vinyl ether, [mixed]160
Simazine160
Phosphorus, total [as P]150
Cyanide, total [as CN]150
Sulfide, total [as S]150
Selenium, total recoverable150
Thallium, total recoverable150
Beryllium, total recoverable [as Be]150
Nickel, total recoverable150
Cadmium, total recoverable150

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 CA0079316.

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 CA0079316 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.