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City Of Buckeye

Sewage treatment plant, major discharger, Buckeye, Arizona. NPDES permit AZ0024881, in force until Apr 2, 2029. Last 12 months: over a limit 33 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 30 days after each period: outfall 001 form A monthly (28 values), outfall 002 form A monthly (28 values), outfall 003 form A monthly (28 values), outfall INF form A monthly (4 values), outfall 001 form Q quarterly, outfall 001 form Y yearly, and 3 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 48 reports late

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

All 33 values over a limit
Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, weekly average46 mg/L≤ 45 mg/L2%
February 2026E. coli, colony forming units [CFU], daily maximum2419.6 CFU/100mL≤ 575 CFU/100mL321%
February 2026Solids, total suspended, weekly average79 mg/L≤ 45 mg/L76%
March 2026E. coli, colony forming units [CFU], daily maximum690 CFU/100mL≤ 575 CFU/100mL20%
March 2026Solids, total suspended, monthly average30.8 mg/L≤ 30 mg/L3%
March 2026Solids, total suspended, weekly average76 mg/L≤ 45 mg/L69%
April 2026Chlorine, total residual, daily maximum1387.55 g/d≤ 410 g/d238%
April 2026Chlorine, total residual, daily maximum170 ug/L≤ 18 ug/L844%
April 2026Chlorine, total residual, monthly average1387.56 g/d≤ 200 g/d594%
April 2026Chlorine, total residual, monthly average170 ug/L≤ 9 ug/L1789%
April 2026E. coli, colony forming units [CFU], daily maximum2419.6 CFU/100mL≤ 575 CFU/100mL321%
April 2026Solids, total suspended, monthly average32.4 mg/L≤ 30 mg/L8%
April 2026Solids, total suspended, weekly average86 mg/L≤ 45 mg/L91%
May 2026Chlorine, total residual, daily maximum45 ug/L≤ 18 ug/L150%
May 2026Chlorine, total residual, monthly average210 g/d≤ 200 g/d5%
June 2026BOD, 5-day, 20 deg. C, monthly average51 mg/L≤ 30 mg/L70%
June 2026BOD, 5-day, 20 deg. C, weekly average121 mg/L≤ 45 mg/L169%
June 2026BOD, 5-day, percent removal, monthly average minimum81 %≥ 85 %27%
June 2026Chlorine, total residual, daily maximum45 ug/L≤ 18 ug/L150%
June 2026Chlorine, total residual, monthly average20 ug/L≤ 9 ug/L122%
June 2026E. coli, colony forming units [CFU], daily maximum2420 CFU/100mL≤ 575 CFU/100mL321%
June 2026Solids, suspended percent removal, monthly average minimum80 %≥ 85 %33%
June 2026Solids, total suspended, monthly average48 mg/L≤ 30 mg/L60%
June 2026Solids, total suspended, weekly average108 mg/L≤ 45 mg/L140%
July 2026E. coli, colony forming units [CFU], daily maximum2420 CFU/100mL≤ 575 CFU/100mL321%
July 2026Solids, suspended percent removal, monthly average minimum81 %≥ 85 %27%
July 2026Solids, total suspended, monthly average60 mg/L≤ 30 mg/L100%
July 2026Solids, total suspended, weekly average122 mg/L≤ 45 mg/L171%
August 2026BOD, 5-day, 20 deg. C, monthly average34 mg/L≤ 30 mg/L13%
August 2026BOD, 5-day, 20 deg. C, weekly average47 mg/L≤ 45 mg/L4%
August 2026Solids, suspended percent removal, monthly average minimum69 %≥ 85 %107%
August 2026Solids, total suspended, monthly average78 mg/L≤ 30 mg/L160%
August 2026Solids, total suspended, weekly average122 mg/L≤ 45 mg/L171%

Limits in force (130)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily maximumreport only (mg/L)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≤ 680 kg/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 1000 kg/dall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 680 kg/dall year001
Solids, total suspendedweekly average≤ 1000 kg/dall year001
Oil & Greasemonthly average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Oil & Greasemonthly average≤ 230 kg/dall year001
Oil & Greasedaily maximum≤ 340 kg/dall year001
Selenium, total recoverablemonthly average≤ 3 ug/Lall year001
Selenium, total recoverabledaily maximum≤ 5 ug/Lall year001
Selenium, total recoverablemonthly average≤ 70 g/dall year001
Selenium, total recoverabledaily maximum≤ 100 g/dall year001
Boron, total recoverablemonthly average≤ 1000 ug/Lall year001
Boron, total recoverabledaily maximumreport only (ug/L)all year001
Boron, total recoverabledaily maximum≤ 1460 ug/Lall year001
Boron, total recoverablemonthly average≤ 23 kg/dall year001
Boron, total recoverabledaily maximum≤ 33.1 kg/dall year001
Manganese, total recoverabledaily maximumreport only (ug/L)all year001
1,1,1-Trichloroethanedaily maximumreport only (ug/L)all year001
Benzidinedaily maximumreport only (ug/L)all year001
4,4'-DDTdaily maximumreport only (ug/L)all year001
4,4'-DDDdaily maximumreport only (ug/L)all year001
4,4'-DDEdaily maximumreport only (ug/L)all year001
Aldrindaily maximumreport only (ug/L)all year001
Dieldrindaily maximumreport only (ug/L)all year001
Endrindaily maximumreport only (ug/L)all year001
Toxaphenedaily maximumreport only (ug/L)all year001
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)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
Chlorine, total residualmonthly average≤ 9 ug/Lall year001
Chlorine, total residualdaily maximum≤ 18 ug/Lall year001
Chlorine, total residualmonthly average≤ 200 g/dall year001
Chlorine, total residualdaily maximum≤ 410 g/dall year001
E. coli, colony forming units [CFU]monthly average≤ 126 CFU/100mLall year001
E. coli, colony forming units [CFU]daily maximum≤ 575 CFU/100mLall year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year002
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year002
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly average≤ 680 kg/dall year002
BOD, 5-day, 20 deg. Cweekly average≤ 1000 kg/dall year002
pHminimum≥ 6.5 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendedweekly average≤ 45 mg/Lall year002
Solids, total suspendedmonthly average≤ 680 kg/dall year002
Solids, total suspendedweekly average≤ 1000 kg/dall year002
Oil & Greasemonthly average≤ 10 mg/Lall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Oil & Greasemonthly average≤ 230 kg/dall year002
Oil & Greasedaily maximum≤ 340 kg/dall year002
Selenium, total recoverablemonthly average≤ 3 ug/Lall year002
Selenium, total recoverabledaily maximum≤ 5 ug/Lall year002
Selenium, total recoverablemonthly average≤ 70 g/dall year002
Selenium, total recoverabledaily maximum≤ 100 g/dall year002
Boron, total recoverablemonthly average≤ 1000 ug/Lall year002
Boron, total recoverabledaily maximumreport only (ug/L)all year002
Boron, total recoverabledaily maximum≤ 1460 ug/Lall year002
Boron, total recoverablemonthly average≤ 23 kg/dall year002
Boron, total recoverabledaily maximum≤ 33.1 kg/dall year002
Manganese, total recoverabledaily maximumreport only (ug/L)all year002
1,1,1-Trichloroethanedaily maximumreport only (ug/L)all year002
Benzidinedaily maximumreport only (ug/L)all year002
4,4'-DDTdaily maximumreport only (ug/L)all year002
4,4'-DDDdaily maximumreport only (ug/L)all year002
4,4'-DDEdaily maximumreport only (ug/L)all year002
Aldrindaily maximumreport only (ug/L)all year002
Dieldrindaily maximumreport only (ug/L)all year002
Endrindaily maximumreport only (ug/L)all year002
Toxaphenedaily maximumreport only (ug/L)all year002
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Chlorine, total residualmonthly average≤ 9 ug/Lall year002
Chlorine, total residualdaily maximum≤ 18 ug/Lall year002
Chlorine, total residualmonthly average≤ 200 g/dall year002
Chlorine, total residualdaily maximum≤ 410 g/dall year002
E. coli, colony forming units [CFU]monthly average≤ 126 CFU/100mLall year002
E. coli, colony forming units [CFU]daily maximum≤ 575 CFU/100mLall year002
Solids, total dissolveddaily maximumreport only (mg/L)all year002
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year002
Solids, suspended percent removalmonthly average minimum≥ 85 %all year002
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year003
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year003
BOD, 5-day, 20 deg. Cmonthly average≤ 680 kg/dall year003
BOD, 5-day, 20 deg. Cweekly average≤ 1000 kg/dall year003
pHminimum≥ 6.5 SUall year003
pHmaximum≤ 9 SUall year003
Solids, total suspendedmonthly average≤ 30 mg/Lall year003
Solids, total suspendedweekly average≤ 45 mg/Lall year003
Solids, total suspendedmonthly average≤ 680 kg/dall year003
Solids, total suspendedweekly average≤ 1000 kg/dall year003
Oil & Greasemonthly average≤ 10 mg/Lall year003
Oil & Greasedaily maximum≤ 15 mg/Lall year003
Oil & Greasemonthly average≤ 230 kg/dall year003
Oil & Greasedaily maximum≤ 340 kg/dall year003
Selenium, total recoverablemonthly average≤ 3 ug/Lall year003
Selenium, total recoverabledaily maximum≤ 5 ug/Lall year003
Selenium, total recoverablemonthly average≤ 70 g/dall year003
Selenium, total recoverabledaily maximum≤ 100 g/dall year003
Boron, total recoverablemonthly average≤ 1000 ug/Lall year003
Boron, total recoverabledaily maximum≤ 1460 ug/Lall year003
Boron, total recoverablemonthly average≤ 23 kg/dall year003
Boron, total recoverabledaily maximum≤ 33.1 kg/dall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Chlorine, total residualmonthly average≤ 9 ug/Lall year003
Chlorine, total residualdaily maximum≤ 18 ug/Lall year003
Chlorine, total residualmonthly average≤ 200 g/dall year003
Chlorine, total residualdaily maximum≤ 410 g/dall year003
E. coli, colony forming units [CFU]monthly average≤ 126 CFU/100mLall year003
E. coli, colony forming units [CFU]daily maximum≤ 575 CFU/100mLall year003
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year003
Solids, suspended percent removalmonthly average minimum≥ 85 %all year003
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
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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Your permit document is the final word. As JSON: /api/v1/permits/AZ0024881 · MCP: https://passage-data.com/mcp