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Imperial Irrigation District

Electric Services, El Centro, California. NPDES permit CA0104248 expired Mar 31, 2025; its limits still apply. Last 12 months: over a limit 15 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 61 days after each period: form A monthly (39 values), form S twice a year, form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
13 values over a limit, 0 required values missing, 3 of 15 reports late

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

All 15 values over a limit
Period endingParameterReportedLimitOver by
October 2025Copper, total recoverable, monthly average23 ug/L≤ 17.5 ug/L31%
October 2025Selenium, total recoverable, monthly average6 ug/L≤ 3.6 ug/L67%
November 2025Selenium, total recoverable, monthly average5.3 ug/L≤ 3.6 ug/L47%
May 2026Copper, total recoverable, monthly average33 ug/L≤ 17.5 ug/L89%
May 2026Selenium, total recoverable, monthly average7.2 ug/L≤ 3.6 ug/L100%
June 2026Copper, total recoverable, daily maximum130 ug/L≤ 42.9 ug/L203%
June 2026Copper, total recoverable, monthly average.17 lb/d≤ .145 lb/d17%
June 2026Copper, total recoverable, monthly average130 ug/L≤ 17.5 ug/L643%
June 2026Selenium, total recoverable, monthly average6.2 ug/L≤ 3.6 ug/L72%
July 2026Copper, total recoverable, monthly average26 ug/L≤ 17.5 ug/L49%
July 2026Selenium, total recoverable, monthly average7 ug/L≤ 3.6 ug/L94%
August 2026Copper, total recoverable, daily maximum140 ug/L≤ 42.9 ug/L226%
August 2026Copper, total recoverable, monthly average.25 lb/d≤ .145 lb/d72%
August 2026Copper, total recoverable, monthly average140 ug/L≤ 17.5 ug/L700%
August 2026Selenium, total recoverable, monthly average6.4 ug/L≤ 3.6 ug/L78%

Limits in force (345)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 100 mg/Lall year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrite total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrite total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Cyanide, total [as CN]daily maximumreport only (ug/L)all year
Cyanide, total [as CN]daily maximumreport only (ug/L)all year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Asbestosdaily maximumreport only (ct/L)all year
Asbestosdaily maximumreport only (ct/L)all year
Arsenic, total recoverabledaily maximumreport only (ug/L)all year
Arsenic, total recoverabledaily maximumreport only (ug/L)all year
Selenium, total recoverablemonthly average≤ 3.6 ug/Lall year
Selenium, total recoverablemonthly average≤ 20 ug/Lall year
Selenium, total recoverabledaily maximum≤ 9.2 ug/Lall year
Selenium, total recoverabledaily maximumreport only (ug/L)all year
Selenium, total recoverabledaily maximumreport only (ug/L)all year
Selenium, total recoverabledaily maximum≤ 20 ug/Lall year
Selenium, total recoverablemonthly average≤ .299 lb/dall year
Selenium, total recoverabledaily maximum≤ .076 lb/dall year
Thallium, total recoverablemonthly average≤ 6.3 ug/Lall year
Thallium, total recoverablemonthly average≤ 6.3 ug/Lall year
Thallium, total recoverablemonthly average≤ 10.5 ug/Lall year
Thallium, total recoverablemonthly average≤ 10.5 ug/Lall year
Thallium, total recoverabledaily maximum≤ 12.6 ug/Lall year
Thallium, total recoverabledaily maximum≤ 12.6 ug/Lall year
Thallium, total recoverabledaily maximum≤ 12.6 ug/Lall year
Thallium, total recoverabledaily maximum≤ 12.6 ug/Lall year
Thallium, total recoverablemonthly average≤ .05 lb/dall year
Thallium, total recoverablemonthly average≤ .05 lb/dall year
Thallium, total recoverabledaily maximum≤ .11 lb/dall year
Thallium, total recoverabledaily maximum≤ .11 lb/dall year
Beryllium, total recoverable [as Be]daily maximumreport only (ug/L)all year
Beryllium, total recoverable [as Be]daily maximumreport only (ug/L)all year
Chromium, hexavalent [as Cr]daily maximumreport only (ug/L)all year
Chromium, hexavalent [as Cr]daily maximumreport only (ug/L)all year
Chromium, trivalent [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
Nickel, total recoverabledaily maximumreport only (ug/L)all year
Silver total recoverabledaily maximumreport only (ug/L)all year
Silver total recoverabledaily maximumreport only (ug/L)all year
Zinc, total recoverablemonthly average≤ 123.3 ug/Lall year
Zinc, total recoverablemonthly average≤ 310 ug/Lall year
Zinc, total recoverabledaily maximum≤ 327.8 ug/Lall year
Zinc, total recoverabledaily maximumreport only (ug/L)all year
Zinc, total recoverabledaily maximumreport only (ug/L)all year
Zinc, total recoverabledaily maximum≤ 327.8 ug/Lall year
Zinc, total recoverablemonthly average≤ 1.02 lb/dall year
Zinc, total recoverabledaily maximum≤ 2.72 lb/dall year
Cadmium, total recoverabledaily maximumreport only (ug/L)all year
Cadmium, total recoverabledaily maximumreport only (ug/L)all year
Lead, total recoverablemonthly average≤ 11.8 ug/Lall year
Lead, total recoverablemonthly average≤ 11.8 ug/Lall year
Lead, total recoverablemonthly average≤ 14 ug/Lall year
Lead, total recoverablemonthly average≤ 14 ug/Lall year
Lead, total recoverabledaily maximum≤ 23.7 ug/Lall year
Lead, total recoverabledaily maximum≤ 23.7 ug/Lall year
Lead, total recoverabledaily maximum≤ 23.7 ug/Lall year
Lead, total recoverabledaily maximum≤ 23.7 ug/Lall year
Lead, total recoverablemonthly average≤ .098 lb/dall year
Lead, total recoverablemonthly average≤ .098 lb/dall year
Lead, total recoverabledaily maximum≤ .197 lb/dall year
Lead, total recoverabledaily maximum≤ .197 lb/dall year
Chromium, total recoverablemonthly average≤ .2 mg/Lall year
Chromium, total recoverabledaily maximum≤ .2 mg/Lall year
Chromium, total recoverablemonthly average≤ 1.66 lb/dall year
Chromium, total recoverabledaily maximum≤ 1.66 lb/dall year
Copper, total recoverablemonthly average≤ 17.5 ug/Lall year
Copper, total recoverablemonthly average≤ 200 ug/Lall year
Copper, total recoverabledaily maximum≤ 42.9 ug/Lall year
Copper, total recoverabledaily maximumreport only (ug/L)all year
Copper, total recoverabledaily maximumreport only (ug/L)all year
Copper, total recoverabledaily maximum≤ 200 ug/Lall year
Copper, total recoverablemonthly average≤ .145 lb/dall year
Copper, total recoverabledaily maximum≤ .356 lb/dall year
Antimony, total recoverabledaily maximumreport only (ug/L)all year
Antimony, total recoverabledaily maximumreport only (ug/L)all year
Oil and greasemonthly average≤ 15 mg/Lall year
Oil and greasedaily maximum≤ 20 mg/Lall year
Oil and greasemonthly average≤ 124.5 lb/dall year
Oil and greasedaily maximum≤ 166 lb/dall year
2-Methyl-4,6-dinitrophenoldaily maximumreport only (ug/L)all year
2-Methyl-4,6-dinitrophenoldaily maximumreport only (ug/L)all year
Phosphate, ortho [as P]daily maximumreport only (mg/L)all year
Phosphate, ortho [as P]daily maximumreport only (mg/L)all year
Dichlorobromomethanedaily maximumreport only (ug/L)all year
Dichlorobromomethanedaily maximumreport only (ug/L)all year
Carbon tetrachloridedaily maximumreport only (ug/L)all year
Carbon tetrachloridedaily maximumreport only (ug/L)all year
1,2-Dichloroethanedaily maximumreport only (ug/L)all year
1,2-Dichloroethanedaily maximumreport only (ug/L)all year
Bromoformdaily maximumreport only (ug/L)all year
Bromoformdaily maximumreport only (ug/L)all year
Dibromochloromethanedaily maximumreport only (ug/L)all year
Dibromochloromethanedaily maximumreport only (ug/L)all year
Chloroformdaily maximumreport only (ug/L)all year
Chloroformdaily maximumreport only (ug/L)all year
Toluenedaily maximumreport only (ug/L)all year
Toluenedaily maximumreport only (ug/L)all year
Benzenedaily maximumreport only (ug/L)all year
Benzenedaily maximumreport only (ug/L)all year
.delta.-BHCdaily maximumreport only (ug/L)all year
.delta.-BHCdaily maximumreport only (ug/L)all year
Acenaphthylenedaily maximumreport only (ug/L)all year
Acenaphthylenedaily maximumreport only (ug/L)all year
Acenaphthenedaily maximumreport only (ug/L)all year
Acenaphthenedaily maximumreport only (ug/L)all year
Acroleindaily maximumreport only (ug/L)all year
Acroleindaily maximumreport only (ug/L)all year
Acrylonitriledaily maximumreport only (ug/L)all year
Acrylonitriledaily maximumreport only (ug/L)all year
Anthracenedaily maximumreport only (ug/L)all year
Anthracenedaily maximumreport only (ug/L)all year
Benzo[b]fluoranthenedaily 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[k]fluoranthenedaily maximumreport only (ug/L)all year
Benzo[a]pyrenedaily 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-chloroethyl] etherdaily maximumreport only (ug/L)all year
Bis[2-chloroethoxy]methanedaily 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
Bis[2-chloroisopropyl] etherdaily maximumreport only (ug/L)all year
Butyl benzyl phthalatedaily maximumreport only (ug/L)all year
Butyl benzyl phthalatedaily maximumreport only (ug/L)all year
Chlorobenzenedaily maximumreport only (ug/L)all year
Chlorobenzenedaily maximumreport only (ug/L)all year
Chrysenedaily maximumreport only (ug/L)all year
Chrysenedaily maximumreport only (ug/L)all year
Diethyl phthalatedaily maximumreport only (ug/L)all year
Diethyl phthalatedaily maximumreport only (ug/L)all year
Dimethyl phthalatedaily maximumreport only (ug/L)all year
Dimethyl phthalatedaily maximumreport only (ug/L)all year
1,2-Diphenylhydrazinedaily maximumreport only (ug/L)all year
1,2-Diphenylhydrazinedaily maximumreport only (ug/L)all year
Endosulfan sulfatedaily maximumreport only (ug/L)all year
Endosulfan sulfatedaily maximumreport only (ug/L)all year
.beta.-Endosulfandaily maximumreport only (ug/L)all year
.beta.-Endosulfandaily maximumreport only (ug/L)all year
.alpha.-Endosulfandaily maximumreport only (ug/L)all year
.alpha.-Endosulfandaily maximumreport only (ug/L)all year
Endrin aldehydedaily maximumreport only (ug/L)all year
Endrin aldehydedaily maximumreport only (ug/L)all year
Ethylbenzenedaily maximumreport only (ug/L)all year
Ethylbenzenedaily maximumreport only (ug/L)all year
Fluoranthenedaily maximumreport only (ug/L)all year
Fluoranthenedaily maximumreport only (ug/L)all year
Fluorenedaily maximumreport only (ug/L)all year
Fluorenedaily maximumreport only (ug/L)all year
Hexachlorocyclopentadienedaily maximumreport only (ug/L)all year
Hexachlorocyclopentadienedaily maximumreport only (ug/L)all year
Hexachlorobutadienedaily maximumreport only (ug/L)all year
Hexachlorobutadienedaily maximumreport only (ug/L)all year
Hexachloroethanedaily 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
Indeno[1,2,3-cd]pyrenedaily maximumreport only (ug/L)all year
Isophoronedaily maximumreport only (ug/L)all year
Isophoronedaily maximumreport only (ug/L)all year
Methyl bromide [Bromomethane]daily 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
Methyl chloride [Chloromethane]daily maximumreport only (ug/L)all year
Methylene chloridedaily 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-Nitrosodi-N-propylaminedaily maximumreport only (ug/L)all year
N-Nitrosodiphenylaminedaily maximumreport only (ug/L)all year
N-Nitrosodiphenylaminedaily maximumreport only (ug/L)all year
N-Nitrosodimethylamine [NDMA]daily maximumreport only (ug/L)all year
N-Nitrosodimethylamine [NDMA]daily maximumreport only (ug/L)all year
Nitrobenzenedaily maximumreport only (ug/L)all year
Nitrobenzenedaily maximumreport only (ug/L)all year
Phenanthrenedaily maximumreport only (ug/L)all year
Phenanthrenedaily maximumreport only (ug/L)all year
Pyrenedaily maximumreport only (ug/L)all year
Pyrenedaily maximumreport only (ug/L)all year
Tetrachloroethylenedaily maximumreport only (ug/L)all year
Tetrachloroethylenedaily maximumreport only (ug/L)all year
1,1-Dichloroethanedaily 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-Dichloroethylenedaily maximumreport only (ug/L)all year
1,1,1-Trichloroethanedaily 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-Trichloroethanedaily maximumreport only (ug/L)all year
1,1,2,2-Tetrachloroethanedaily 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[ghi]perylenedaily maximumreport only (ug/L)all year
Benzo[a]anthracenedaily 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-Dichlorobenzenedaily maximumreport only (ug/L)all year
1,2-Dichloropropanedaily 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
trans-1,2-Dichloroethylenedaily maximumreport only (ug/L)all year
1,2,4-Trichlorobenzenedaily 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
Dibenz[a,h]anthracenedaily maximumreport only (ug/L)all year
1,3-Dichlorobenzenedaily maximumreport only (ug/L)all year
1,3-Dichlorobenzenedaily maximumreport only (ug/L)all year
1,4-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-Chloroethyl vinyl ether, [mixed]daily maximumreport only (ug/L)all year
2-Chloronaphthalenedaily maximumreport only (ug/L)all year
2-Chloronaphthalenedaily maximumreport only (ug/L)all year
2-Chlorophenoldaily maximumreport only (ug/L)all year
2-Chlorophenoldaily maximumreport only (ug/L)all year
2-Nitrophenoldaily maximumreport only (ug/L)all year
2-Nitrophenoldaily maximumreport only (ug/L)all year
Di-n-octyl phthalatedaily 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-Dichlorophenoldaily maximumreport only (ug/L)all year
2,4-Dimethylphenoldaily 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-Dinitrotoluenedaily maximumreport only (ug/L)all year
2,4-Dinitrophenoldaily 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
2,4,6-Trichlorophenoldaily maximumreport only (ug/L)all year
2,6-Dinitrotoluenedaily maximumreport only (ug/L)all year
2,6-Dinitrotoluenedaily maximumreport only (ug/L)all year
3,3'-Dichlorobenzidinedaily 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-Bromophenyl phenyl etherdaily maximumreport only (ug/L)all year
4-Chlorophenyl 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
4-Nitrophenoldaily maximumreport only (ug/L)all year
PCB-1016daily maximumreport only (ug/L)all year
PCB-1016daily maximumreport only (ug/L)all year
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximumreport only (ug/L)all year
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximumreport only (ug/L)all year
Phenoldaily maximumreport only (ug/L)all year
Phenoldaily maximumreport only (ug/L)all year
Naphthalenedaily maximumreport only (ug/L)all year
Naphthalenedaily maximumreport only (ug/L)all year
Pentachlorophenoldaily maximumreport only (ug/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≤ 18 ug/Lall year
Di[2-ethylhexyl] phthalate [DEHP]daily maximumreport only (ug/L)all year
Di[2-ethylhexyl] phthalate [DEHP]daily maximumreport only (ug/L)all year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .049 lb/dall year
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .15 lb/dall year
Di-n-butyl phthalatedaily maximumreport only (ug/L)all year
Di-n-butyl phthalatedaily maximumreport only (ug/L)all year
Benzidinedaily maximumreport only (ug/L)all year
Benzidinedaily maximumreport only (ug/L)all year
Vinyl chloridedaily maximumreport only (ug/L)all year
Vinyl chloridedaily maximumreport only (ug/L)all year
Trichloroethylenedaily maximumreport only (ug/L)all year
Trichloroethylenedaily maximumreport only (ug/L)all year
4,4'-DDTdaily 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'-DDDdaily maximumreport only (ug/L)all year
4,4'-DDEdaily maximumreport only (ug/L)all year
4,4'-DDEdaily maximumreport only (ug/L)all year
Aldrindaily maximumreport only (ug/L)all year
Aldrindaily maximumreport only (ug/L)all year
.alpha.-BHCdaily maximumreport only (ug/L)all year
.alpha.-BHCdaily maximumreport only (ug/L)all year
.beta.-BHCdaily maximumreport only (ug/L)all year
.beta.-BHCdaily maximumreport only (ug/L)all year
.gamma.-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
Chlordane [tech mix. and metabolites]daily maximumreport only (ug/L)all year
Dieldrindaily maximumreport only (ug/L)all year
Dieldrindaily maximumreport only (ug/L)all year
Endrindaily maximumreport only (ug/L)all year
Endrindaily maximumreport only (ug/L)all year
Toxaphenedaily maximumreport only (ug/L)all year
Toxaphenedaily maximumreport only (ug/L)all year
Heptachlordaily maximumreport only (ug/L)all year
Heptachlordaily maximumreport only (ug/L)all year
Heptachlor epoxidedaily maximumreport only (ug/L)all year
Heptachlor epoxidedaily maximumreport only (ug/L)all year
PCB-1221daily maximumreport only (ug/L)all year
PCB-1221daily maximumreport only (ug/L)all year
PCB-1232daily maximumreport only (ug/L)all year
PCB-1232daily maximumreport only (ug/L)all year
PCB-1242daily maximumreport only (ug/L)all year
PCB-1242daily maximumreport only (ug/L)all year
PCB-1248daily maximumreport only (ug/L)all year
PCB-1248daily maximumreport only (ug/L)all year
PCB-1254daily maximumreport only (ug/L)all year
PCB-1254daily maximumreport only (ug/L)all year
PCB-1260daily maximumreport only (ug/L)all year
PCB-1260daily maximumreport only (ug/L)all year
Hexachlorobenzenedaily maximumreport only (ug/L)all year
Hexachlorobenzenedaily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .995 MGDall year
Chlorine, total residualmonthly average≤ .01 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ .02 mg/Lall year
Chlorine, total residualmonthly average≤ .083 lb/dall year
Cyanide, free availablemonthly average≤ 4.3 ug/Lall year
Cyanide, free availabledaily maximum≤ 8.5 ug/Lall year
Cyanide, free availablemonthly average≤ .036 lb/dall year
Cyanide, free availabledaily maximum≤ .071 lb/dall year
4-Chloro-3-methylphenoldaily maximumreport only (ug/L)all year
4-Chloro-3-methylphenoldaily maximumreport only (ug/L)all year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Mercury, total recoverabledaily maximumreport only (ug/L)all year
Mercury, total recoverabledaily maximumreport only (ug/L)all year
1,3-Dichloropropenedaily maximumreport only (ug/L)all year
1,3-Dichloropropenedaily maximumreport only (ug/L)all year
Sulfatedaily maximumreport only (mg/L)all year
Sulfatedaily maximumreport only (mg/L)all year
Chloroethanedaily maximumreport only (ug/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 promelasvaluereport only (pass=0;fail=1)all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d P promelasvaluereport only (pass=0;fail=1)all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d P promelasmaximumreport only (% effect)all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d P promelasmaximumreport only (% effect)all year
Chronic Mthd, Survival Endpt %Effect, Reprod Endpt Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubiavaluereport only (pass=0;fail=1)all year
Chronic Mthd, Survival Endpt %Effect, Reprod Endpt Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubiavaluereport only (pass=0;fail=1)all year
Chronic Mthd, Survival Endpt %Effect, Reprod Endpt Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubiamaximumreport only (% effect)all year
Chronic Mthd, Survival Endpt %Effect, Reprod Endpt Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubiamaximumreport only (% effect)all year
Chronic Mthd Growth Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static96hr R subcapitatavaluereport only (pass=0;fail=1)all year
Chronic Mthd Growth Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static96hr R subcapitatavaluereport only (pass=0;fail=1)all year
Chronic Mthd Growth Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static96hr R subcapitatamaximumreport only (% effect)all year
Chronic Mthd Growth Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static96hr R subcapitatamaximumreport only (% effect)all year

How strict are these limits?

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

Same industry: the 20 Electric Services permits in California.

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