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Town Of Winkelman

Sewage treatment plant, Winkelman, Arizona. NPDES permit AZ0020176, in force until May 1, 2029. Last 12 months: over a limit 4 times (last July 2026), 12 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (30 values), outfall INF form A monthly (4 values), outfall 001 form S twice a year, outfall 001 form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 4 required values missing, 2 of 26 reports late

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

Period endingParameterReportedLimitOver by
February 2026E. coli, colony forming units [CFU], daily maximum2400 CFU/100mL≤ 235 CFU/100mL921%
February 2026E. coli, colony forming units [CFU], monthly average806 CFU/100mL≤ 126 CFU/100mL540%
July 2026E. coli, colony forming units [CFU], daily maximum2400 CFU/100mL≤ 235 CFU/100mL921%
July 2026E. coli, colony forming units [CFU], monthly average480 CFU/100mL≤ 126 CFU/100mL281%

Limits in force (92)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 9 kg/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 14 kg/dall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
pHminimumreport only (SU)all year001
pHmaximumreport only (SU)all year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 9 kg/dall year001
Solids, total suspendedweekly average≤ 14 kg/dall year001
Oil & Greasemonthly average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall 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]monthly average≤ 1 Ratioall year001
Nitrogen, ammonia total [as N]daily maximum≤ 2 Ratioall year001
Cyanide, total [as CN]monthly average≤ 7.9 ug/Lall year001
Cyanide, total [as CN]daily maximum≤ 16 ug/Lall year001
Cyanide, total [as CN]monthly average≤ 2 g/dall year001
Cyanide, total [as CN]daily maximum≤ 5 g/dall year001
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year001
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year001
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001
Arsenic, total recoverablemonthly average≤ 30 ug/Lall year001
Arsenic, total recoverabledaily maximum≤ 60 ug/Lall year001
Arsenic, total recoverablemonthly average≤ 9 g/dall year001
Arsenic, total recoverabledaily maximum≤ 18 g/dall year001
Iron, total recoverablemonthly averagereport only (ug/L)all year001
Iron, total recoverabledaily maximumreport only (ug/L)all year001
Selenium, total recoverablemonthly averagereport only (ug/L)all year001
Selenium, total recoverabledaily maximumreport only (ug/L)all year001
Chromium, total [as Cr]monthly averagereport only (ug/L)all year001
Chromium, total [as Cr]daily maximumreport only (ug/L)all year001
Silver total recoverablemonthly averagereport only (ug/L)all year001
Silver total recoverabledaily maximumreport only (ug/L)all year001
Zinc, total recoverablemonthly average≤ 99.4 ug/Lall year001
Zinc, total recoverabledaily maximum≤ 200 ug/Lall year001
Zinc, total recoverablemonthly average≤ 30 g/dall year001
Zinc, total recoverabledaily maximum≤ 60 g/dall year001
Cadmium, total recoverablemonthly average≤ 3.2 ug/Lall year001
Cadmium, total recoverabledaily maximum≤ 6.5 ug/Lall year001
Cadmium, total recoverablemonthly average≤ 1 g/dall year001
Cadmium, total recoverabledaily maximum≤ 2 g/dall year001
Lead, total recoverablemonthly averagereport only (ug/L)all year001
Lead, total recoverabledaily maximumreport only (ug/L)all year001
Copper, total recoverablemonthly average≤ 13.31 ug/Lall year001
Copper, total recoverabledaily maximum≤ 24.11 ug/Lall year001
Copper, total recoverablemonthly average≤ 4 g/dall year001
Copper, total recoverabledaily maximum≤ 7 g/dall year001
Chromium, hexavalent dissolved [as Cr]monthly average≤ 8.1 ug/Lall year001
Chromium, hexavalent dissolved [as Cr]daily maximum≤ 16 ug/Lall year001
Chromium, hexavalent dissolved [as Cr]monthly average≤ 2 g/dall year001
Chromium, hexavalent dissolved [as Cr]daily maximum≤ 5 g/dall year001
Dichlorobromomethanemonthly average≤ 17 ug/Lall year001
Dichlorobromomethanedaily maximum≤ 34 ug/Lall year001
Dichlorobromomethanemonthly average≤ 5 g/dall year001
Dichlorobromomethanedaily maximum≤ 10 g/dall year001
Dibromochloromethanemonthly average≤ 13 ug/Lall year001
Dibromochloromethanedaily maximum≤ 26 ug/Lall year001
Dibromochloromethanemonthly average≤ 4 g/dall year001
Dibromochloromethanedaily maximum≤ 8 g/dall 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≤ 9 ug/Lall year001
Chlorine, total residualdaily maximum≤ 18 ug/Lall year001
Chlorine, total residualmonthly average≤ 3 g/dall year001
Chlorine, total residualdaily maximum≤ 5 g/dall year001
E. coli, colony forming units [CFU]monthly average≤ 126 CFU/100mLall year001
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLall year001
Hydrogen sulfidemonthly averagereport only (ug/L)all year001
Hydrogen sulfidedaily maximumreport only (ug/L)all year001
Mercury, total recoverablemonthly averagereport only (ug/L)all year001
Mercury, total recoverabledaily maximumreport only (ug/L)all year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)monthly median≤ 1 tox chronicall year001
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)daily maximum≤ 1.6 tox chronicall year001
TU Static Renewal 7-Day Chronic Ceriodaphnia dubiamonthly median≤ 1 tox chronicall year001
TU Static Renewal 7-Day Chronic Ceriodaphnia dubiadaily maximum≤ 1.6 tox chronicall year001
TU Static Renewal 7-Day Chronic Pimphales promelasmonthly medianreport only (tox chronic)all year001
TU Static Renewal 7-Day Chronic Pimphales promelasdaily maximumreport only (tox chronic)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedweekly averagereport only (mg/L)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/AZ0020176 · MCP: https://passage-data.com/mcp