Sacramento Regional County Sanitation District

NPDES permit CA0077682 · Major POTW · expired, expires 2026-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2026-05-31 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 29 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 32 days after each monitoring period ends (the most common figure among CA permits in EPA's filings — check your permit).

Limits in force (127)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitINST MAX report only all year
001TurbidityDAILY MX report only all year
001Specific conductanceMO AVG report only all year
001Specific conductanceANNL AVG <= 1300 umho/cm all year
001Specific conductanceANNL AVG <= 1300 umho/cm all year
001Specific conductanceDAILY MX report only all year
001Oxygen, dissolved [DO]INST MIN report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 10 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 15 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 8 SU all year
001Alkalinity, total [as CaCO3]DAILY MX report only all year
001Solids, total suspendedMO AVG <= 10 mg/L all year
001Solids, total suspendedWKLY AVG <= 15 mg/L all year
001Solids, settleableMO AVG <= .1 mL/L all year
001Solids, settleableWKLY AVG <= .2 mL/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 2.4 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 2.1 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 3.2 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 2.6 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 3600 lb/d Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 3200 lb/d Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 4800 lb/d Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 3900 lb/d Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG <= 16.1 mg/L all year
001Nitrite + Nitrate total [as N]WKLY AVG <= 22 mg/L all year
001Nitrite + Nitrate total [as N]MO AVG <= 15095 lb/d all year
001Carbon, tot organic [TOC]MO AVG report only all year
001Carbon, tot organic [TOC]DAILY MX report only all year
001Carbon, tot organic [TOC]DAILY MX report only all year
001Carbon, dissolved organic [as C]MO AVG report only all year
001Carbon, dissolved organic [as C]DAILY MX report only all year
001Carbon, dissolved organic [as C]DAILY MX report only all year
001Cyanide, total [as CN]MO AVG <= 11 ug/L all year
001Cyanide, total [as CN]DAILY MX <= 22 ug/L all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Copper, dissolved [as Cu]DAILY MX report only all year
001Copper, total recoverableMO AVG <= 7.4 ug/L all year
001Copper, total recoverableDAILY MX <= 12 ug/L all year
001Oil and greaseDAILY MX report only all year
001CypermethrinMO AVG report only all year
001CypermethrinDAILY MX report only all year
001CypermethrinMO AVG report only all year
001CypermethrinDAILY MX report only all year
001DichlorobromomethaneMO AVG <= 31 ug/L all year
001DichlorobromomethaneDAILY MX <= 70 ug/L all year
001DibromochloromethaneMO AVG <= 22 ug/L all year
001DibromochloromethaneDAILY MX <= 44 ug/L all year
001ChlorpyrifosDAILY MX report only all year
001ChlorpyrifosDAILY MX report only all year
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 8.9 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 20 ug/L all year
001DiazinonDAILY MX report only all year
001DiazinonDAILY MX report only all year
001Permethrin, totalMO AVG report only all year
001Permethrin, totalDAILY MX report only all year
001Permethrin, totalMO AVG report only all year
001Permethrin, totalDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residual4A <= .011 mg/L all year
001Chlorine, total residual1I <= .019 mg/L all year
001Sodium BisulfiteMO AVG report only all year
001Sodium BisulfiteDAILY MX report only all year
001Esfenvalerate [Asana]MO AVG report only all year
001Esfenvalerate [Asana]DAILY MX report only all year
001Esfenvalerate [Asana]MO AVG report only all year
001Esfenvalerate [Asana]DAILY MX report only all year
001Temperature Increase Deg. FINST MAX <= 25 deg F Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Temperature Increase Deg. FINST MAX <= 20 deg F May, Jun, Jul, Aug, Sep
001.lambda.-CyhalothrinMO AVG report only all year
001.lambda.-CyhalothrinDAILY MX report only all year
001.lambda.-CyhalothrinMO AVG report only all year
001.lambda.-CyhalothrinDAILY MX report only all year
001GiardiaDAILY MX report only all year
001Diazinon + ChlorpyrifosMO AVG <= 1 ug/L all year
001Diazinon + ChlorpyrifosMO AVG <= 1 ug/L all year
001Diazinon + ChlorpyrifosWKLY AVG <= 1 ug/L all year
001Diazinon + ChlorpyrifosWKLY AVG <= 1 ug/L all year
001CryptosporidiumDAILY MX report only all year
001BifenthrinMO AVG report only all year
001BifenthrinDAILY MX report only all year
001BifenthrinMO AVG report only all year
001BifenthrinDAILY MX report only all year
001CyfluthrinMO AVG report only all year
001CyfluthrinDAILY MX report only all year
001CyfluthrinMO AVG report only all year
001CyfluthrinDAILY MX report only all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Mercury, total recoverableDAILY MX report only all year
001Mercury, total recoverableANNL TOT <= 1043 g/yr all year
001Mercury, total recoverableANNL TOT <= 1043 g/yr all year
001Coliform, total generalMO AVG <= 2.2 MPN/100mL Jan, Feb, Mar, Apr, Nov, Dec
001Coliform, total general3E <= 23 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
001Coliform, total general7C <= 23 MPN/100mL Jan, Feb, Mar, Apr, Nov, Dec
001Coliform, total general7C <= 2.2 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
001Coliform, total generalINST MAX <= 240 MPN/100mL Jan, Feb, Mar, Apr, Nov, Dec
001Coliform, total generalINST MAX <= 240 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
001Dilution factorDAILY MX report only all year
001Dilution factorDAILY MN report only all year
001MethylmercuryDAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Sulfur dioxide, totalMO AVG report only all year
001Sulfur dioxide, totalDAILY MX report only all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMD < 25 % effect all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMAXIMUM report only all year
001%Surv Static Renewal 96Hr Oncorhynchus mykissMINIMUM >= 70 % survival all year
001%Surv Static Renewal 96Hr Oncorhynchus mykissBA >= 90 % survival all year
001% Survival Flow Through 96Hr Acute Oncorhynchus mykissMINIMUM >= 70 % survival all year
001% Survival Flow Through 96Hr Acute Oncorhynchus mykissBA >= 90 % survival all year
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaMD <= 8 tox chronic all year
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaMAXIMUM report only all year
INFSpecific conductanceMO AVG report only all year
INFSpecific conductanceDAILY MX report only all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFBOD, 5-day, 20 deg. CDAILY MX report only all year
INFpHMINIMUM report only all year
INFpHMAXIMUM report only all year
INFSolids, total suspendedMO AVG report only all year
INFSolids, total suspendedDAILY MX report only all year
INFFlow, in conduit or thru treatment plantMO AVG report only all year
INFFlow, in conduit or thru treatment plantDAILY MX report only all year
INFSolids, total dissolvedDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states