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White Mountain Apache Tribe

Sewerage Systems, Greer, Arizona. NPDES permit AZ0022837 expired May 31, 2025; its limits still apply. Last 12 months: no values over a limit, 294 required values missing, 14 of 20 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (68 values), outfall INF form A quarterly (16 values), outfall 001Y form ZZ every 60 months
Last report on file
July 2026
Oct 2024 – Sep 2025
0 values over a limit, 126 required values missing, 18 of 25 reports late

Limits in force (214)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximum≤ 23 deg Call year001
Temperature, water deg. centigradedaily maximum≤ 23 deg Call year001
Turbiditydaily maximum≤ 50 NTUall year001
Turbiditydaily maximum≤ 50 NTUall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Chighest weekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Chighest weekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 6.5 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 6.5 lb/dall year001
BOD, 5-day, 20 deg. Chighest weekly average≤ 9.8 lb/dall year001
BOD, 5-day, 20 deg. Chighest weekly average≤ 9.8 lb/dall year001
pHminimum≥ 6.5 SUall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedhighest weekly average≤ 45 mg/Lall year001
Solids, total suspendedhighest weekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 6.5 lb/dall year001
Solids, total suspendedmonthly average≤ 6.5 lb/dall year001
Solids, total suspendedhighest weekly average≤ 9.8 lb/dall year001
Solids, total suspendedhighest weekly average≤ 9.8 lb/dall year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 1 Ratioall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 Ratioall year001
Nitrogen, ammonia total [as N]daily maximum≤ 1 Ratioall year001
Nitrogen, ammonia total [as N]daily maximum≤ 1 Ratioall year001
Phosphorus, total [as P]monthly average≤ .08 mg/Lall year001
Phosphorus, total [as P]monthly average≤ .08 mg/Lall year001
Phosphorus, total [as P]daily maximum≤ .16 mg/Lall year001
Phosphorus, total [as P]daily maximum≤ .16 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ .08 mg/Lall year001
Chlorine, total residualmonthly average≤ .08 mg/Lall year001
Chlorine, total residualdaily maximum≤ .16 mg/Lall year001
Chlorine, total residualdaily maximum≤ .16 mg/Lall year001
E. coli, colony forming units [CFU]geometric mean≤ 47 CFU/100mLMay–Sep001
E. coli, colony forming units [CFU]geometric mean≤ 47 CFU/100mLMay–Sep001
E. coli, colony forming units [CFU]daily maximum≤ 88 CFU/100mLMay–Sep001
E. coli, colony forming units [CFU]daily maximum≤ 88 CFU/100mLMay–Sep001
E. coli, colony forming units [CFU]geometric mean≤ 126 CFU/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
E. coli, colony forming units [CFU]geometric mean≤ 126 CFU/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
E. coli, colony forming units [CFU]daily maximum≤ 410 CFU/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
E. coli, colony forming units [CFU]daily maximum≤ 410 CFU/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
Oil & grease, total recoverablemonthly average≤ 10 mg/Lall year001
Oil & grease, total recoverablemonthly average≤ 10 mg/Lall year001
Oil & grease, total recoverabledaily maximum≤ 15 mg/Lall year001
Oil & grease, total recoverabledaily maximum≤ 15 mg/Lall year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly averagereport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly averagereport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximumreport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximumreport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7Day Chronic Pimephales promelasmonthly averagereport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7Day Chronic Pimephales promelasmonthly averagereport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7Day Chronic Pimephales promelasdaily maximumreport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7Day Chronic Pimephales promelasdaily maximumreport only (pass=0;fail=1)all year001
Pass/Fail Static 96Hr Chronic Selen. Capricornutummonthly averagereport only (pass=0;fail=1)all year001
Pass/Fail Static 96Hr Chronic Selen. Capricornutummonthly averagereport only (pass=0;fail=1)all year001
Pass/Fail Static 96Hr Chronic Selen. Capricornutumdaily maximumreport only (pass=0;fail=1)all year001
Pass/Fail Static 96Hr Chronic Selen. Capricornutumdaily maximumreport only (pass=0;fail=1)all year001
Cyanide, total [as CN]daily maximumreport only (mg/L)all year001Y
Arsenic, total recoverabledaily maximumreport only (mg/L)all year001Y
Selenium, total recoverabledaily maximumreport only (mg/L)all year001Y
Thallium, total recoverabledaily maximumreport only (mg/L)all year001Y
Beryllium, total recoverable [as Be]daily maximumreport only (mg/L)all year001Y
Nickel, dissolved [as Ni]daily maximumreport only (mg/L)all year001Y
Nickel, total recoverabledaily maximumreport only (mg/L)all year001Y
Silver, total [as Ag]daily maximumreport only (mg/L)all year001Y
Silver total recoverabledaily maximumreport only (mg/L)all year001Y
Zinc, total recoverabledaily maximumreport only (mg/L)all year001Y
Cadmium, total recoverabledaily maximumreport only (mg/L)all year001Y
Lead, total recoverabledaily maximumreport only (mg/L)all year001Y
Chromium, total recoverabledaily maximumreport only (mg/L)all year001Y
Copper, total recoverabledaily maximumreport only (mg/L)all year001Y
Antimony, total recoverabledaily maximumreport only (mg/L)all year001Y
2-Methyl-4,6-dinitrophenoldaily maximumreport only (mg/L)all year001Y
Dichlorobromomethanedaily maximumreport only (mg/L)all year001Y
Carbon tetrachloridedaily maximumreport only (mg/L)all year001Y
1,2-Dichloroethanedaily maximumreport only (mg/L)all year001Y
Bromoformdaily maximumreport only (mg/L)all year001Y
Dibromochloromethanedaily maximumreport only (mg/L)all year001Y
Chloroformdaily maximumreport only (mg/L)all year001Y
Toluenedaily maximumreport only (mg/L)all year001Y
Benzenedaily maximumreport only (mg/L)all year001Y
.delta.-BHCdaily maximumreport only (mg/L)all year001Y
Acenaphthylenedaily maximumreport only (mg/L)all year001Y
Acenaphthenedaily maximumreport only (mg/L)all year001Y
Acroleindaily maximumreport only (mg/L)all year001Y
Acrylonitriledaily maximumreport only (mg/L)all year001Y
Anthracenedaily maximumreport only (mg/L)all year001Y
Benzo[b]fluoranthenedaily maximumreport only (mg/L)all year001Y
Benzo[k]fluoranthenedaily maximumreport only (mg/L)all year001Y
Benzo[a]pyrenedaily maximumreport only (mg/L)all year001Y
Bis[2-chloroethyl] etherdaily maximumreport only (mg/L)all year001Y
Bis[2-chloroethoxy]methanedaily maximumreport only (mg/L)all year001Y
Bis[2-chloroisopropyl] etherdaily maximumreport only (mg/L)all year001Y
Butyl benzyl phthalatedaily maximumreport only (mg/L)all year001Y
Chlorobenzenedaily maximumreport only (mg/L)all year001Y
Chrysenedaily maximumreport only (mg/L)all year001Y
Diethyl phthalatedaily maximumreport only (mg/L)all year001Y
Dimethyl phthalatedaily maximumreport only (mg/L)all year001Y
1,2-Diphenylhydrazinedaily maximumreport only (mg/L)all year001Y
Endosulfan sulfatedaily maximumreport only (mg/L)all year001Y
.beta.-Endosulfandaily maximumreport only (mg/L)all year001Y
.alpha.-Endosulfandaily maximumreport only (mg/L)all year001Y
Endrin aldehydedaily maximumreport only (mg/L)all year001Y
Ethylbenzenedaily maximumreport only (mg/L)all year001Y
Fluoranthenedaily maximumreport only (mg/L)all year001Y
Fluorenedaily maximumreport only (mg/L)all year001Y
Hexachlorocyclopentadienedaily maximumreport only (mg/L)all year001Y
Hexachlorobutadienedaily maximumreport only (mg/L)all year001Y
Hexachloroethanedaily maximumreport only (mg/L)all year001Y
Indeno[1,2,3-cd]pyrenedaily maximumreport only (mg/L)all year001Y
Isophoronedaily maximumreport only (mg/L)all year001Y
Methyl bromide [Bromomethane]daily maximumreport only (mg/L)all year001Y
Methyl chloride [Chloromethane]daily maximumreport only (mg/L)all year001Y
Methylene chloridedaily maximumreport only (mg/L)all year001Y
N-Nitrosodi-N-propylaminedaily maximumreport only (mg/L)all year001Y
N-Nitrosodiphenylaminedaily maximumreport only (mg/L)all year001Y
N-Nitrosodimethylamine [NDMA]daily maximumreport only (mg/L)all year001Y
Nitrobenzenedaily maximumreport only (mg/L)all year001Y
Phenanthrenedaily maximumreport only (mg/L)all year001Y
Pyrenedaily maximumreport only (mg/L)all year001Y
Tetrachloroethylenedaily maximumreport only (mg/L)all year001Y
1,1-Dichloroethanedaily maximumreport only (mg/L)all year001Y
1,1-Dichloroethylenedaily maximumreport only (mg/L)all year001Y
1,1,1-Trichloroethanedaily maximumreport only (mg/L)all year001Y
1,1,2-Trichloroethanedaily maximumreport only (mg/L)all year001Y
1,1,2,2-Tetrachloroethanedaily maximumreport only (mg/L)all year001Y
Benzo[ghi]perylenedaily maximumreport only (mg/L)all year001Y
Benzo[a]anthracenedaily maximumreport only (mg/L)all year001Y
1,2-Dichlorobenzenedaily maximumreport only (mg/L)all year001Y
1,2-Dichloropropanedaily maximumreport only (mg/L)all year001Y
trans-1,2-Dichloroethylenedaily maximumreport only (mg/L)all year001Y
1,2,4-Trichlorobenzenedaily maximumreport only (mg/L)all year001Y
Dibenz[a,h]anthracenedaily maximumreport only (mg/L)all year001Y
1,3-Dichlorobenzenedaily maximumreport only (mg/L)all year001Y
1,4-Dichlorobenzenedaily maximumreport only (mg/L)all year001Y
2-Chloroethyl vinyl ether, [mixed]daily maximumreport only (mg/L)all year001Y
2-Chloronaphthalenedaily maximumreport only (mg/L)all year001Y
2-Chlorophenoldaily maximumreport only (mg/L)all year001Y
2-Nitrophenoldaily maximumreport only (mg/L)all year001Y
Di-n-octyl phthalatedaily maximumreport only (mg/L)all year001Y
2,4-Dichlorophenoldaily maximumreport only (mg/L)all year001Y
2,4-Dimethylphenoldaily maximumreport only (mg/L)all year001Y
2,4-Dinitrotoluenedaily maximumreport only (mg/L)all year001Y
2,4-Dinitrophenoldaily maximumreport only (mg/L)all year001Y
2,4,6-Trichlorophenoldaily maximumreport only (mg/L)all year001Y
2,6-Dinitrotoluenedaily maximumreport only (mg/L)all year001Y
3,3'-Dichlorobenzidinedaily maximumreport only (mg/L)all year001Y
4-Bromophenyl phenyl etherdaily maximumreport only (mg/L)all year001Y
4-Nitrophenoldaily maximumreport only (mg/L)all year001Y
PCB-1016daily maximumreport only (mg/L)all year001Y
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximumreport only (mg/L)all year001Y
Phenoldaily maximumreport only (mg/L)all year001Y
Naphthalenedaily maximumreport only (mg/L)all year001Y
Pentachlorophenoldaily maximumreport only (mg/L)all year001Y
Di[2-ethylhexyl] phthalate [DEHP]daily maximumreport only (mg/L)all year001Y
Di-n-butyl phthalatedaily maximumreport only (mg/L)all year001Y
Benzidinedaily maximumreport only (mg/L)all year001Y
Vinyl chloridedaily maximumreport only (mg/L)all year001Y
Trichloroethylenedaily maximumreport only (mg/L)all year001Y
4,4'-DDTdaily maximumreport only (mg/L)all year001Y
4,4'-DDDdaily maximumreport only (mg/L)all year001Y
4,4'-DDEdaily maximumreport only (mg/L)all year001Y
Aldrindaily maximumreport only (mg/L)all year001Y
.alpha.-BHCdaily maximumreport only (mg/L)all year001Y
.beta.-BHCdaily maximumreport only (mg/L)all year001Y
.gamma.-BHCdaily maximumreport only (mg/L)all year001Y
Chlordane [tech mix. and metabolites]daily maximumreport only (mg/L)all year001Y
Dieldrindaily maximumreport only (mg/L)all year001Y
Endrindaily maximumreport only (mg/L)all year001Y
Toxaphenedaily maximumreport only (mg/L)all year001Y
Heptachlordaily maximumreport only (mg/L)all year001Y
Heptachlor epoxidedaily maximumreport only (mg/L)all year001Y
PCB-1221daily maximumreport only (mg/L)all year001Y
PCB-1232daily maximumreport only (mg/L)all year001Y
PCB-1242daily maximumreport only (mg/L)all year001Y
PCB-1248daily maximumreport only (mg/L)all year001Y
PCB-1254daily maximumreport only (mg/L)all year001Y
PCB-1260daily maximumreport only (mg/L)all year001Y
Hexachlorobenzenedaily maximumreport only (mg/L)all year001Y
4-Chloro-3-methylphenoldaily maximumreport only (mg/L)all year001Y
Mercury, total recoverabledaily maximumreport only (mg/L)all year001Y
1,3-Dichloropropenedaily maximumreport only (mg/L)all year001Y
Chloroethanedaily maximumreport only (mg/L)all year001Y
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
BOD, 5-day, 20 deg. Chighest weekly averagereport only (mg/L)all yearINF
BOD, 5-day, 20 deg. Chighest weekly averagereport only (mg/L)all yearINF
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all yearINF
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all yearINF
BOD, 5-day, 20 deg. Chighest weekly averagereport only (lb/d)all yearINF
BOD, 5-day, 20 deg. Chighest weekly averagereport only (lb/d)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedhighest weekly averagereport only (mg/L)all yearINF
Solids, total suspendedhighest weekly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (lb/d)all yearINF
Solids, total suspendedmonthly averagereport only (lb/d)all yearINF
Solids, total suspendedhighest weekly averagereport only (lb/d)all yearINF
Solids, total suspendedhighest weekly averagereport only (lb/d)all yearINF

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AZ0022837 · MCP: https://passage-data.com/mcp