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White Mountain Apache Tribe

Sewerage Systems, Greer, Arizona. NPDES permit AZ0022829 expired Mar 31, 2025; its limits still apply. Last 12 months: over a limit 60 times (last June 2026), 369 required values missing, 27 of 27 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A1 quarterly (6 values), outfall INF form A quarterly (8 values), outfall 001 form A quarterly
Last report on file
June 2026
Oct 2024 – Sep 2025
52 values over a limit, 82 required values missing, 36 of 36 reports late

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

All 60 values over a limit
Period endingParameterReportedLimitOver by
October 2025Phosphorus, total [as P], daily maximum4 mg/L≤ .16 mg/L2400%
October 2025Phosphorus, total [as P], daily maximum4 mg/L≤ .16 mg/L2400%
October 2025Phosphorus, total [as P], monthly average4 mg/L≤ .08 mg/L4900%
October 2025Phosphorus, total [as P], monthly average4 mg/L≤ .08 mg/L4900%
November 2025Phosphorus, total [as P], daily maximum2.5 mg/L≤ .16 mg/L1463%
November 2025Phosphorus, total [as P], daily maximum2.5 mg/L≤ .16 mg/L1463%
November 2025Phosphorus, total [as P], monthly average2.5 mg/L≤ .08 mg/L3025%
November 2025Phosphorus, total [as P], monthly average2.5 mg/L≤ .08 mg/L3025%
November 2025Solids, suspended percent removal, monthly average minimum84 %≥ 85 %7%
November 2025Solids, suspended percent removal, monthly average minimum84 %≥ 85 %7%
December 2025Phosphorus, total [as P], daily maximum1.3 mg/L≤ .16 mg/L713%
December 2025Phosphorus, total [as P], daily maximum1.3 mg/L≤ .16 mg/L713%
December 2025Phosphorus, total [as P], monthly average1.3 mg/L≤ .08 mg/L1525%
December 2025Phosphorus, total [as P], monthly average1.3 mg/L≤ .08 mg/L1525%
January 2026Nitrogen, ammonia total [as N], daily maximum8.4 Ratio≤ 1 Ratio740%
January 2026Nitrogen, ammonia total [as N], daily maximum8.4 Ratio≤ 1 Ratio740%
January 2026Nitrogen, ammonia total [as N], monthly average8.4 Ratio≤ 1 Ratio740%
January 2026Nitrogen, ammonia total [as N], monthly average8.4 Ratio≤ 1 Ratio740%
January 2026Phosphorus, total [as P], daily maximum3.8 mg/L≤ .16 mg/L2275%
January 2026Phosphorus, total [as P], daily maximum3.8 mg/L≤ .16 mg/L2275%
January 2026Phosphorus, total [as P], monthly average3.8 mg/L≤ .08 mg/L4650%
January 2026Phosphorus, total [as P], monthly average3.8 mg/L≤ .08 mg/L4650%
February 2026Nitrogen, ammonia total [as N], daily maximum7.7 Ratio≤ 1 Ratio670%
February 2026Nitrogen, ammonia total [as N], daily maximum7.7 Ratio≤ 1 Ratio670%
February 2026Nitrogen, ammonia total [as N], monthly average7.7 Ratio≤ 1 Ratio670%
February 2026Nitrogen, ammonia total [as N], monthly average7.7 Ratio≤ 1 Ratio670%
February 2026Phosphorus, total [as P], daily maximum4.4 mg/L≤ .16 mg/L2650%
February 2026Phosphorus, total [as P], daily maximum4.4 mg/L≤ .16 mg/L2650%
February 2026Phosphorus, total [as P], monthly average4.4 mg/L≤ .08 mg/L5400%
February 2026Phosphorus, total [as P], monthly average4.4 mg/L≤ .08 mg/L5400%
March 2026Phosphorus, total [as P], daily maximum1 mg/L≤ .16 mg/L525%
March 2026Phosphorus, total [as P], daily maximum1 mg/L≤ .16 mg/L525%
March 2026Phosphorus, total [as P], monthly average1 mg/L≤ .08 mg/L1150%
March 2026Phosphorus, total [as P], monthly average1 mg/L≤ .08 mg/L1150%
April 2026Chlorine, total residual, monthly average.09 mg/L≤ .08 mg/L13%
April 2026Chlorine, total residual, monthly average.09 mg/L≤ .08 mg/L13%
April 2026Phosphorus, total [as P], daily maximum1.9 mg/L≤ .16 mg/L1088%
April 2026Phosphorus, total [as P], daily maximum1.9 mg/L≤ .16 mg/L1088%
April 2026Phosphorus, total [as P], monthly average1.9 mg/L≤ .08 mg/L2275%
April 2026Phosphorus, total [as P], monthly average1.9 mg/L≤ .08 mg/L2275%
April 2026Solids, suspended percent removal, monthly average minimum80 %≥ 85 %33%
April 2026Solids, suspended percent removal, monthly average minimum80 %≥ 85 %33%
May 2026E. coli, colony forming units [CFU], daily maximum> 2000 CFU/100mL≤ 88 CFU/100mL—
May 2026E. coli, colony forming units [CFU], daily maximum> 2000 CFU/100mL≤ 88 CFU/100mL—
May 2026E. coli, colony forming units [CFU], geometric mean> 2000 CFU/100mL≤ 47 CFU/100mL—
May 2026E. coli, colony forming units [CFU], geometric mean> 2000 CFU/100mL≤ 47 CFU/100mL—
May 2026Phosphorus, total [as P], daily maximum3.3 mg/L≤ .16 mg/L1963%
May 2026Phosphorus, total [as P], daily maximum3.3 mg/L≤ .16 mg/L1963%
May 2026Phosphorus, total [as P], monthly average3.3 mg/L≤ .08 mg/L4025%
May 2026Phosphorus, total [as P], monthly average3.3 mg/L≤ .08 mg/L4025%
May 2026Solids, suspended percent removal, monthly average minimum84 %≥ 85 %7%
May 2026Solids, suspended percent removal, monthly average minimum84 %≥ 85 %7%
June 2026E. coli, colony forming units [CFU], geometric mean80 CFU/100mL≤ 47 CFU/100mL70%
June 2026E. coli, colony forming units [CFU], geometric mean80 CFU/100mL≤ 47 CFU/100mL70%
June 2026Phosphorus, total [as P], daily maximum1.2 mg/L≤ .16 mg/L650%
June 2026Phosphorus, total [as P], daily maximum1.2 mg/L≤ .16 mg/L650%
June 2026Phosphorus, total [as P], monthly average1.2 mg/L≤ .08 mg/L1400%
June 2026Phosphorus, total [as P], monthly average1.2 mg/L≤ .08 mg/L1400%
June 2026Solids, suspended percent removal, monthly average minimum83 %≥ 85 %13%
June 2026Solids, suspended percent removal, monthly average minimum83 %≥ 85 %13%

Limits in force (43)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximum≤ 23 deg Call year001
Turbiditydaily maximum≤ 50 NTUall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 19 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 28.5 lb/dall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 19 lb/dall year001
Solids, total suspendeddaily maximum≤ 28.5 lb/dall year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 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]daily maximum≤ .16 mg/Lall 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
Chlorine, total residualmonthly average≤ .08 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]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]daily maximum≤ 410 CFU/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
Oil & grease, total recoverablemonthly average≤ 10 mg/Lall year001
Oil & grease, total recoverabledaily maximum≤ 15 mg/Lall year001
BOD, 5-day, 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 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 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. Capricornutumdaily maximumreport only (pass=0;fail=1)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all yearINF
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all yearINF
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF
Solids, total suspendeddaily maximumreport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (lb/d)all yearINF
Solids, total suspendeddaily maximumreport 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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Your permit document is the final word. As JSON: /api/v1/permits/AZ0022829 · MCP: https://passage-data.com/mcp