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Salt River Project (Srp)

Electric Services, major discharger, Glendale, Arizona. NPDES permit AZ0023531, in force until Jun 5, 2028. Last 12 months: over a limit once (last March 2026), 1 required value missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 30 days after each period: form A monthly (32 values), form Q quarterly (29 values), form S twice a year, form Y yearly
Renewal application due
Dec 8, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 19 reports late

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

Period endingParameterReportedLimit
March 2026pH, maximum9.2 SU≤ 9 SU

Limits in force (214)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
pHminimum≥ 6.5 SUall year
pHminimumreport only (SU)all year
pHmaximum≤ 9 SUall year
pHmaximumreport only (SU)all year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 100 mg/Lall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Oil & Greasemonthly average≤ 15 mg/Lall year
Oil & Greasedaily maximumreport only (mg/L)all year
Oil & Greasedaily maximum≤ 20 mg/Lall year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrite total [as N]monthly averagereport only (ug/L)all year
Nitrogen, nitrite total [as N]daily maximumreport only (ug/L)all year
Nitrogen, nitrate total [as N]monthly averagereport only (ug/L)all year
Nitrogen, nitrate total [as N]daily maximumreport only (ug/L)all year
Nitrogen, nitrate total [as N]monthly averagereport only (ug/L)all year
Nitrogen, nitrate total [as N]daily maximumreport only (ug/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Carbon, tot organic [TOC]daily maximumreport only (mg/L)all year
Cyanide, total [as CN]daily maximumreport only (ug/L)all year
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Magnesium, total recoverablemonthly averagereport only (ug/L)all year
Magnesium, total recoverabledaily maximumreport only (ug/L)all year
Sulfate, total [as SO4]monthly averagereport only (ug/L)all year
Sulfate, total [as SO4]daily maximumreport only (ug/L)all year
Asbestosdaily maximumreport only (Fib/mL)all year
Fluoride, total [as F]monthly average≤ 4000 ug/Lall year
Fluoride, total [as F]daily maximum≤ 8000 ug/Lall year
Fluoride, total [as F]daily maximumreport only (ug/L)all year
Arsenic, total recoverablemonthly average≤ 200 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 400 ug/Lall year
Arsenic, total recoverabledaily maximumreport only (ug/L)all year
Arsenic, total recoverablemonthly averagereport only (ug/L)all year
Arsenic, total recoverabledaily maximumreport only (ug/L)all year
Iron, total recoverablemonthly averagereport only (ug/L)all year
Iron, total recoverabledaily maximumreport only (ug/L)all year
Iron, total recoverabledaily maximumreport only (ug/L)all year
Iron, 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 recoverablemonthly average≤ 1000 ug/Lall year
Boron, total recoverabledaily maximumreport only (ug/L)all year
Boron, total recoverabledaily maximum≤ 2000 ug/Lall year
Barium, total recoverablemonthly average≤ 2000 ug/Lall year
Barium, total recoverabledaily maximum≤ 4000 ug/Lall year
Barium, total recoverabledaily maximumreport only (ug/L)all year
Chromium, total [as Cr]monthly average≤ .2 mg/Lall year
Chromium, total [as Cr]daily maximumreport only (ug/L)all year
Chromium, total [as Cr]daily maximum≤ .2 mg/Lall year
Nickel, total recoverabledaily maximumreport only (ug/L)all year
Silver total recoverabledaily maximumreport only (ug/L)all year
Zinc, total recoverablemonthly average≤ 1000 ug/Lall year
Zinc, total recoverabledaily maximumreport only (ug/L)all year
Zinc, total recoverabledaily maximum≤ 1000 ug/Lall year
Aluminum, total [as Al]monthly averagereport only (ug/L)all year
Aluminum, total [as Al]daily maximumreport only (ug/L)all year
Cadmium, total recoverabledaily maximumreport only (ug/L)all year
Lead, total recoverabledaily maximumreport only (ug/L)all year
Copper, total recoverabledaily maximumreport only (ug/L)all year
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year
Antimony, total recoverabledaily maximumreport only (ug/L)all year
2-Methyl-4,6-dinitrophenoldaily maximumreport only (ug/L)all year
Diquatdaily maximumreport only (ug/L)all year
Manganese, total recoverabledaily maximumreport only (ug/L)all year
Uranium, total as U3O8daily maximumreport only (ug/L)all year
Dinosebdaily maximumreport only (ug/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
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
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
Dalapondaily maximumreport only (ug/L)all year
Oxamyldaily maximumreport only (ug/L)all year
Pentachlorophenoldaily maximumreport only (ug/L)all year
Atrazinedaily maximumreport only (ug/L)all year
Simazinedaily maximumreport only (ug/L)all year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 6 mg/Lall year
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 12 mg/Lall year
Di[2-ethylhexyl] phthalate [DEHP]daily maximumreport only (ug/L)all 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
Endosulfan, totaldaily 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
Methoxychlordaily maximumreport only (ug/L)all year
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)all year
Malathiondaily maximumreport only (ug/L)all year
Hexachlorobenzenedaily maximumreport only (ug/L)all year
Picloramdaily maximumreport only (ug/L)all year
2,4-Dichlorophenoxyacetic aciddaily maximumreport only (ug/L)all year
Mirexdaily maximumreport only (ug/L)all year
1,2-Dibromo-3-chloropropanedaily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly averagereport only (ug/L)all year
Chlorine, total residualdaily maximumreport only (ug/L)all year
Chlorine, free availablemonthly average≤ .2 mg/Lall year
Chlorine, free availabledaily maximum≤ .5 mg/Lall year
Di[2-ethylhexyl] adipatedaily maximumreport only (ug/L)all year
Endothalldaily 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
Bromide [as Br]monthly averagereport only (ug/L)all year
Bromide [as Br]daily maximumreport only (ug/L)all year
Mercury, total recoverabledaily maximumreport only (ug/L)all year
cis-1,2-Dichloroethylenedaily maximumreport only (ug/L)all year
1,3-Dichloropropenedaily maximumreport only (ug/L)all year
Ethylene dibromidedaily maximumreport only (ug/L)all year
Alachlordaily maximumreport only (ug/L)all year
2,4,5-TPdaily maximumreport only (ug/L)all year
Glyphosate, totaldaily maximumreport only (ug/L)all year
Chlorpyrifosdaily maximumreport only (ug/L)all year
Carbofurandaily maximumreport only (ug/L)all year
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year
Styrenedaily maximumreport only (ug/L)all year
Trihalomethane, tot.daily maximumreport only (ug/L)all year
Paraquatdaily maximumreport only (ug/L)all year
Permethrin, total recoverabledaily maximumreport only (ug/L)all year
Chloroethanedaily maximumreport only (ug/L)all year

How strict are these limits?

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

Same industry: the 7 Electric Services permits in Arizona.

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Your permit document is the final word. As JSON: /api/v1/permits/AZ0023531 · MCP: https://passage-data.com/mcp