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Covina Irrigating Company

Water Supply, Glendora, California. NPDES permit CA0060577, in force until Dec 31, 2027. Last 12 months: over a limit 3 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 32 days after each period: form A quarterly (13 values), form C quarterly (2 values), form D quarterly (1 value), form Q quarterly (21 values), form S twice a year, form Y yearly, and 1 more form
Renewal application due
Jul 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
23 values over a limit, 0 required values missing, 0 of 27 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimit
December 2025pH, minimum0 SU≥ 6.5 SU
June 2026pH, minimum0 SU≥ 6.5 SU
September 2026pH, minimum0 SU≥ 6.5 SU

Limits in force (199)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitinstantaneous maximum≤ 80 deg Fall year
Turbiditymonthly average≤ 50 NTUall year
Turbiditydaily maximum≤ 75 NTUall year
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 lb/dall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 50 mg/Lall year
Solids, total suspendeddaily maximum≤ 75 mg/Lall year
Solids, total suspendedmonthly average≤ 75 lb/dall year
Solids, total suspendeddaily maximum≤ 113 lb/dall year
Solids, settleablemonthly average≤ .1 mL/Lall year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrite total [as N]daily maximum≤ 1 mg/Lall year
Nitrogen, nitrite total [as N]daily maximum≤ 1.5 lb/dall year
Nitrite + Nitrate total [as N]daily maximum≤ 8 mg/Lall year
Nitrite + Nitrate total [as N]daily maximum≤ 12 lb/dall year
Cyanide, total [as CN]daily maximumreport only (ug/L)all year
Sulfide, total [as S]daily maximum≤ 1 mg/Lall year
Sulfide, total [as S]daily maximum≤ 1.5 lb/dall year
Chloride [as Cl]daily maximum≤ 150 mg/Lall year
Chloride [as Cl]daily maximum≤ 225 lb/dall year
Sulfate, total [as SO4]daily maximum≤ 300 mg/Lall year
Sulfate, total [as SO4]daily maximum≤ 450 lb/dall year
Asbestosdaily maximumreport only (ct/L)all year
Arsenic, total recoverabledaily maximumreport only (ug/L)all year
Selenium, total recoverabledaily maximumreport only (ug/L)all year
Thallium, total recoverabledaily maximumreport only (ug/L)all year
Beryllium, total recoverable [as Be]daily maximumreport only (ug/L)all year
Boron, total [as B]daily maximum≤ 1 mg/Lall year
Boron, total [as B]daily maximum≤ 1.5 lb/dall year
Chromium, hexavalent [as Cr]daily maximumreport only (ug/L)all year
Chromium, trivalent [as Cr]daily maximumreport only (ug/L)all year
Nickel, total recoverabledaily maximumreport only (ug/L)all year
Silver total recoverabledaily maximumreport only (ug/L)all year
Zinc, total recoverabledaily maximumreport only (ug/L)all year
Aluminum, total recoverabledaily maximum≤ 1000 ug/Lall year
Aluminum, total recoverabledaily maximum≤ 1.5 lb/dall year
Cadmium, total recoverabledaily maximumreport only (ug/L)all year
Lead, total recoverabledaily maximum≤ 166 ug/Lall year
Lead, total recoverabledaily maximumreport only (ug/L)all year
Lead, total recoverabledaily maximum≤ .25 lb/dall year
Copper, total recoverablemonthly average≤ 5.3 ug/Lall year
Copper, total recoverabledaily maximum≤ 9.3 ug/Lall year
Copper, total recoverablemonthly average≤ .008 lb/dall year
Copper, total recoverabledaily maximum≤ .014 lb/dall year
Antimony, total recoverabledaily maximumreport only (ug/L)all year
Oil and greasemonthly average≤ 10 mg/Lall year
Oil and greasedaily maximum≤ 15 mg/Lall year
Oil and greasemonthly average≤ 15 lb/dall year
Oil and greasedaily maximum≤ 23 lb/dall year
2-Methyl-4,6-dinitrophenoldaily maximumreport only (ug/L)all year
1,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxindaily maximumreport only (pg/L)all year
1,2,3,7,8-Pentachlorodibenzo-p-dioxindaily maximumreport only (pg/L)all year
1,2,3,4,7,8-Hexachlorodibenzo-p-dioxindaily maximumreport only (pg/L)all year
1,2,3,6,7,8-Hexachlorodibenzo-p-dioxindaily maximumreport only (pg/L)all year
1,2,3,7,8,9-Hexachlorodibenzo-p-dioxindaily maximumreport only (pg/L)all year
1,2,3,7,8-Pentachlorodibenzofurandaily maximumreport only (pg/L)all year
2,3,4,7,8-Pentachlorodibenzofurandaily maximumreport only (pg/L)all year
1,2,3,4,7,8-Hexachlorodibenzofurandaily maximumreport only (pg/L)all year
1,2,3,6,7,8-Hexachlorodibenzofurandaily maximumreport only (pg/L)all year
1,2,3,7,8,9-Hexachlorodibenzofurandaily maximumreport only (pg/L)all year
2,3,4,6,7,8-Hexachlorodibenzofurandaily maximumreport only (pg/L)all year
1,2,3,4,6,7,8-Heptachlorodibenzofurandaily maximumreport only (pg/L)all year
1,2,3,4,7,8,9-Heptachlorodibenzofurandaily maximumreport only (pg/L)all year
1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxindaily maximumreport only (pg/L)all year
Dichlorobromomethanedaily maximumreport only (ug/L)all year
Carbon tetrachloridedaily maximumreport only (ug/L)all year
1,2-Dichloroethanedaily maximumreport only (ug/L)all year
Bromoformdaily maximumreport only (ug/L)all year
Dibromochloromethanedaily maximumreport only (ug/L)all year
Chloroformdaily maximumreport only (ug/L)all year
Toluenedaily maximumreport only (ug/L)all year
Benzenedaily maximumreport only (ug/L)all year
.delta.-BHCdaily maximumreport only (ug/L)all year
Acenaphthylenedaily maximumreport only (ug/L)all year
Acenaphthenedaily maximumreport only (ug/L)all year
Acroleindaily maximumreport only (ug/L)all year
Acrylonitriledaily maximumreport only (ug/L)all year
Anthracenedaily maximumreport only (ug/L)all year
Benzo[b]fluoranthenedaily maximumreport only (ug/L)all year
Benzo[k]fluoranthenedaily maximumreport only (ug/L)all year
Benzo[a]pyrenedaily maximumreport only (ug/L)all year
Bis[2-chloroethyl] etherdaily maximumreport only (ug/L)all year
Bis[2-chloroethoxy]methanedaily maximumreport only (ug/L)all year
Bis[2-chloroisopropyl] etherdaily maximumreport only (ug/L)all year
Butyl benzyl phthalatedaily maximumreport only (ug/L)all year
Chlorobenzenedaily maximumreport only (ug/L)all year
Chrysenedaily maximumreport only (ug/L)all year
Diethyl phthalatedaily maximumreport only (ug/L)all year
Dimethyl phthalatedaily maximumreport only (ug/L)all year
1,2-Diphenylhydrazinedaily maximumreport only (ug/L)all year
Endosulfan sulfatedaily maximumreport only (ug/L)all year
.beta.-Endosulfandaily maximumreport only (ug/L)all year
.alpha.-Endosulfandaily maximumreport only (ug/L)all year
Endrin aldehydedaily maximumreport only (ug/L)all year
Ethylbenzenedaily maximumreport only (ug/L)all year
Fluoranthenedaily maximumreport only (ug/L)all year
Fluorenedaily maximumreport only (ug/L)all year
Hexachlorocyclopentadienedaily maximumreport only (ug/L)all year
Hexachlorobutadienedaily maximumreport only (ug/L)all year
Hexachloroethanedaily maximumreport only (ug/L)all year
Indeno[1,2,3-cd]pyrenedaily maximumreport only (ug/L)all year
Isophoronedaily maximumreport only (ug/L)all year
Methyl bromide [Bromomethane]daily maximumreport only (ug/L)all year
Methyl chloride [Chloromethane]daily maximumreport only (ug/L)all year
Methylene chloridedaily maximumreport only (ug/L)all year
N-Nitrosodi-N-propylaminedaily maximumreport only (ug/L)all year
N-Nitrosodiphenylaminedaily maximumreport only (ug/L)all year
N-Nitrosodimethylamine [NDMA]daily maximumreport only (ug/L)all year
Nitrobenzenedaily maximumreport only (ug/L)all year
Phenanthrenedaily maximumreport only (ug/L)all year
Pyrenedaily maximumreport only (ug/L)all year
Tetrachloroethylenedaily maximumreport only (ug/L)all year
1,1-Dichloroethanedaily maximumreport only (ug/L)all year
1,1-Dichloroethylenedaily maximumreport only (ug/L)all year
1,1,1-Trichloroethanedaily maximumreport only (ug/L)all year
1,1,2-Trichloroethanedaily maximumreport only (ug/L)all year
1,1,2,2-Tetrachloroethanedaily maximumreport only (ug/L)all year
Benzo[ghi]perylenedaily maximumreport only (ug/L)all year
Benzo[a]anthracenedaily maximumreport only (ug/L)all year
1,2-Dichlorobenzenedaily maximumreport only (ug/L)all year
1,2-Dichloropropanedaily maximumreport only (ug/L)all year
trans-1,2-Dichloroethylenedaily maximumreport only (ug/L)all year
1,2,4-Trichlorobenzenedaily maximumreport only (ug/L)all year
Dibenz[a,h]anthracenedaily maximumreport only (ug/L)all year
1,3-Dichlorobenzenedaily maximumreport only (ug/L)all year
1,4-Dichlorobenzenedaily maximumreport only (ug/L)all year
2-Chloroethyl vinyl ether, [mixed]daily maximumreport only (ug/L)all year
2-Chloronaphthalenedaily maximumreport only (ug/L)all year
2-Chlorophenoldaily maximumreport only (ug/L)all year
2-Nitrophenoldaily maximumreport only (ug/L)all year
Di-n-octyl phthalatedaily maximumreport only (ug/L)all year
2,4-Dichlorophenoldaily maximumreport only (ug/L)all year
2,4-Dimethylphenoldaily maximumreport only (ug/L)all year
2,4-Dinitrotoluenedaily maximumreport only (ug/L)all year
2,4-Dinitrophenoldaily maximumreport only (ug/L)all year
2,4,6-Trichlorophenoldaily maximumreport only (ug/L)all year
2,6-Dinitrotoluenedaily maximumreport only (ug/L)all year
3,3'-Dichlorobenzidinedaily maximumreport only (ug/L)all year
4-Bromophenyl phenyl etherdaily maximumreport only (ug/L)all year
4-Chlorophenyl phenyl etherdaily maximumreport only (ug/L)all year
4-Nitrophenoldaily maximumreport only (ug/L)all year
PCB-1016daily maximumreport only (ug/L)all year
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximumreport only (pg/L)all year
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximumreport only (ug/L)all year
Phenoldaily maximumreport only (ug/L)all year
Naphthalenedaily maximumreport only (ug/L)all year
2,3,7,8-Tetrachlorodibenzofurandaily maximumreport only (pg/L)all year
Pentachlorophenoldaily maximumreport only (ug/L)all year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 5.9 ug/Lall year
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 11.8 ug/Lall year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .009 lb/dall year
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .18 lb/dall year
Di-n-butyl phthalatedaily maximumreport only (ug/L)all year
Benzidinedaily maximumreport only (ug/L)all year
Vinyl chloridedaily maximumreport only (ug/L)all year
Trichloroethylenedaily maximumreport only (ug/L)all year
4,4'-DDTdaily maximumreport only (ug/L)all year
4,4'-DDDdaily maximumreport only (ug/L)all year
4,4'-DDEdaily maximumreport only (ug/L)all year
Aldrindaily maximumreport only (ug/L)all year
.alpha.-BHCdaily maximumreport only (ug/L)all year
.beta.-BHCdaily maximumreport only (ug/L)all year
.gamma.-BHCdaily maximumreport only (ug/L)all year
Chlordane [tech mix. and metabolites]daily maximumreport only (ug/L)all year
Dieldrindaily maximumreport only (ug/L)all year
Endrindaily maximumreport only (ug/L)all year
Toxaphenedaily maximumreport only (ug/L)all year
Heptachlordaily maximumreport only (ug/L)all year
Heptachlor epoxidedaily maximumreport only (ug/L)all year
PCB-1221daily maximumreport only (ug/L)all year
PCB-1232daily maximumreport only (ug/L)all year
PCB-1242daily maximumreport only (ug/L)all year
PCB-1248daily maximumreport only (ug/L)all year
PCB-1254daily maximumreport only (ug/L)all year
PCB-1260daily maximumreport only (ug/L)all year
Hexachlorobenzenedaily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment planttotalreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .1 mg/Lall year
Chlorine, total residualdaily maximum≤ .15 lb/dall year
1,2,3,4,6,7,8,9-Octachlorodibenzofurandaily maximumreport only (pg/L)all year
E. colidaily maximumreport only (MPN/100mL)all year
4-Chloro-3-methylphenoldaily maximumreport only (ug/L)all year
Solids, total dissolveddaily maximum≤ 750 mg/Lall year
Solids, total dissolveddaily maximum≤ 1126 lb/dall year
Mercury, total recoverabledaily maximumreport only (ug/L)all year
1,3-Dichloropropenedaily maximumreport only (ug/L)all year
TCDD equivalentsdaily maximumreport only (pg/L)all year
Chloroethanedaily maximumreport only (ug/L)all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d P promelasvalue≤ 0 pass=0;fail=1all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d P promelasmaximum< 50 % effectall year
Chronic Mthd, Survival Endpt %Effect, Reprod Endpt Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubiavalue≤ 0 pass=0;fail=1all year
Chronic Mthd, Survival Endpt %Effect, Reprod Endpt Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubiamaximum< 50 % effectall year
Chronic Mthd Growth Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static96hr R subcapitatavalue≤ 0 pass=0;fail=1all year
Chronic Mthd Growth Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static96hr R subcapitatamaximum< 50 % effectall year

How strict are these limits?

Cited limits by parameter: California's rules and the federal ones.

Same industry: the 11 Water Supply permits in California.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/CA0060577 · MCP: https://passage-data.com/mcp