Linda County Water District

NPDES permit CA0079651 · Major POTW · effective, expires 2028-01-31 · 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.

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

7values over a limit
0required values missing, on 0 form(s)
2of 43 forms filed late

Last period with anything received: 2026-07-31. Most often over: Chlorodibromomethane (3), pH (3), Dichlorobromomethane (1).

Reporting

Reports are due about 31 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (137)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitINST MAX report only all year
001TurbidityDAILY AV report only all year
001TurbidityMAXIMUM report only all year
001Specific conductanceDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN 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 >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 10 mg/L all year
001Solids, total suspendedWKLY AVG <= 15 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 2.9 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 5.2 mg/L all year
001Nitrogen, nitrite total [as N]MO AVG report only all year
001Nitrogen, nitrite total [as N]DAILY MX report only all year
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG <= 10 mg/L all year
001Nitrite + Nitrate total [as N]WKLY AVG <= 17 mg/L all year
001Carbon, dissolved organic [as C]DAILY MX report only all year
001Carbon, dissolved organic [as C]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001DichlorobromomethaneMO AVG <= 38 ug/L all year
001DichlorobromomethaneDAILY MX <= 70 ug/L all year
001ChlorodibromomethaneMO AVG <= 18 ug/L all year
001ChlorodibromomethaneDAILY MX <= 36 ug/L all year
001ChlorpyrifosDAILY MX report only all year
001ChlorpyrifosDAILY MX report only all year
001DiazinonDAILY MX report only all year
001DiazinonDAILY 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
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
001Mercury, total recoverableDAILY MX report only all year
001Mercury, total recoverableDAILY MX report only all year
001Mercury, total recoverableANNL TOT <= .46 lb/yr all year
001Mercury, total recoverableANNL TOT <= .46 lb/yr all year
001Coliform, total general3E <= 23 MPN/100mL all year
001Coliform, total general7C <= 2.2 MPN/100mL all year
001Coliform, total generalINST MAX <= 240 MPN/100mL all year
001Dechlorination reagent, genDAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001%Surv Static Renewal 96Hr Oncorhynchus mykissMINIMUM >= 70 % survival 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%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 mykissMINIMUM >= 70 % survival all year
001% Survival Flow Through 96Hr Acute Oncorhynchus mykissBA >= 90 % survival all year
001% Survival Flow Through 96Hr Acute Oncorhynchus mykissBA >= 90 % survival all year
001TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)AVERAGE report only all year
001TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)AVERAGE report only all year
001TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)DAILY MX report only all year
001TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)DAILY MX report only all year
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaAVERAGE report only all year
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaAVERAGE report only all year
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaDAILY MX report only all year
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaDAILY MX report only all year
001TU Static Renewal 7-Day Chronic Pimphales promelasAVERAGE report only all year
001TU Static Renewal 7-Day Chronic Pimphales promelasAVERAGE report only all year
001TU Static Renewal 7-Day Chronic Pimphales promelasDAILY MX report only all year
001TU Static Renewal 7-Day Chronic Pimphales promelasDAILY MX report only all year
001Acute Mthd Survival Endpt, %Effect, Median TSTaHo R/nR Pass/Fail, StatR96hr O mykissVALUE report only all year
001Acute Mthd Survival Endpt, %Effect, Median TSTaHo R/nR Pass/Fail, StatR96hr O mykissVALUE report only all year
001Acute Mthd Survival Endpt, %Effect, Median TSTaHo R/nR Pass/Fail, StatR96hr O mykissMAXIMUM report only all year
001Acute Mthd Survival Endpt, %Effect, Median TSTaHo R/nR Pass/Fail, StatR96hr O mykissMAXIMUM report only all year
001Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d P promelasVALUE report only all year
001Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d P promelasVALUE report only all year
001Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d P promelasMAXIMUM report only all year
001Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d P promelasMAXIMUM report only all year
001Chronic Mthd, Survival Endpt %Effect, Reprod Endpt Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubiaVALUE report only all year
001Chronic Mthd, Survival Endpt %Effect, Reprod Endpt Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubiaVALUE report only all year
001Chronic Mthd, Survival Endpt %Effect, Reprod Endpt Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubiaMAXIMUM report only all year
001Chronic Mthd, Survival Endpt %Effect, Reprod Endpt Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubiaMAXIMUM report only all year
001Chronic Mthd Growth Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static96hr R subcapitataVALUE report only all year
001Chronic Mthd Growth Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static96hr R subcapitataVALUE report only all year
001Chronic Mthd Growth Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static96hr R subcapitataMAXIMUM report only all year
001Chronic Mthd Growth Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static96hr R subcapitataMAXIMUM report only all year
002Temperature, water deg. fahrenheitINST MAX report only all year
002Specific conductanceDAILY MX report only all year
002Oxygen, dissolved [DO]DAILY MN report only all year
002BOD, 5-day, 20 deg. CMO AVG <= 10 mg/L all year
002BOD, 5-day, 20 deg. CWKLY AVG <= 15 mg/L all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 8.5 SU all year
002Solids, total suspendedMO AVG <= 10 mg/L all year
002Solids, total suspendedWKLY AVG <= 15 mg/L all year
002Nitrogen, ammonia total [as N]MO AVG <= 2.9 mg/L all year
002Nitrogen, ammonia total [as N]WKLY AVG <= 5.2 mg/L all year
002Nitrogen, nitrite total [as N]MO AVG report only all year
002Nitrogen, nitrite total [as N]DAILY MX report only all year
002Nitrogen, nitrate total [as N]MO AVG report only all year
002Nitrogen, nitrate total [as N]DAILY MX report only all year
002Nitrite + Nitrate total [as N]MO AVG <= 10 mg/L all year
002Nitrite + Nitrate total [as N]WKLY AVG <= 17 mg/L all year
002Carbon, dissolved organic [as C]DAILY MX report only all year
002Carbon, dissolved organic [as C]DAILY MX report only all year
002Hardness, total [as CaCO3]DAILY MX report only all year
002Hardness, total [as CaCO3]DAILY MX report only all year
002DichlorobromomethaneMO AVG <= 38 ug/L all year
002DichlorobromomethaneDAILY MX <= 70 ug/L all year
002ChlorodibromomethaneMO AVG <= 18 ug/L all year
002ChlorodibromomethaneDAILY MX <= 36 ug/L all year
002ChlorpyrifosDAILY MX report only all year
002ChlorpyrifosDAILY MX report only all year
002DiazinonDAILY MX report only all year
002DiazinonDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Diazinon + ChlorpyrifosMO AVG <= 1 ug/L all year
002Diazinon + ChlorpyrifosMO AVG <= 1 ug/L all year
002Diazinon + ChlorpyrifosWKLY AVG <= 1 ug/L all year
002Diazinon + ChlorpyrifosWKLY AVG <= 1 ug/L all year
002Mercury, total recoverableDAILY MX report only all year
002Mercury, total recoverableDAILY MX report only all year
002Mercury, total recoverableANNL TOT <= .46 lb/yr all year
002Mercury, total recoverableANNL TOT <= .46 lb/yr all year
002Coliform, total general3E <= 23 MPN/100mL all year
002Coliform, total general7C <= 2.2 MPN/100mL all year
002Coliform, total generalINST MAX <= 240 MPN/100mL all year
002BOD, 5-day, percent removalMO AV MN >= 85 % all year
002Solids, suspended percent removalMO AV MN >= 85 % 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

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