NPDES permit AZ0024881 · Major POTW · effective, expires 2029-04-02 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31. Most often over: Solids, total suspended (10), Chlorine, total residual (8), E. coli, colony forming units [CFU] (5).
Reports are due about 28 days after each monitoring period ends (the most common figure among AZ permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Oxygen, dissolved [DO] | DAILY MX | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 30 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 45 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 680 kg/d | all year |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 1000 kg/d | all year |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 001 | Solids, total suspended | WKLY AVG | <= 45 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 680 kg/d | all year |
| 001 | Solids, total suspended | WKLY AVG | <= 1000 kg/d | all year |
| 001 | Oil & Grease | MO AVG | <= 10 mg/L | all year |
| 001 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 001 | Oil & Grease | MO AVG | <= 230 kg/d | all year |
| 001 | Oil & Grease | DAILY MX | <= 340 kg/d | all year |
| 001 | Selenium, total recoverable | MO AVG | <= 3 ug/L | all year |
| 001 | Selenium, total recoverable | DAILY MX | <= 5 ug/L | all year |
| 001 | Selenium, total recoverable | MO AVG | <= 70 g/d | all year |
| 001 | Selenium, total recoverable | DAILY MX | <= 100 g/d | all year |
| 001 | Boron, total recoverable | MO AVG | <= 1000 ug/L | all year |
| 001 | Boron, total recoverable | DAILY MX | report only | all year |
| 001 | Boron, total recoverable | DAILY MX | <= 1460 ug/L | all year |
| 001 | Boron, total recoverable | MO AVG | <= 23 kg/d | all year |
| 001 | Boron, total recoverable | DAILY MX | <= 33.1 kg/d | all year |
| 001 | Manganese, total recoverable | DAILY MX | report only | all year |
| 001 | 1,1,1-Trichloroethane | DAILY MX | report only | all year |
| 001 | Benzidine | DAILY MX | report only | all year |
| 001 | 4,4'-DDT | DAILY MX | report only | all year |
| 001 | 4,4'-DDD | DAILY MX | report only | all year |
| 001 | 4,4'-DDE | DAILY MX | report only | all year |
| 001 | Aldrin | DAILY MX | report only | all year |
| 001 | Dieldrin | DAILY MX | report only | all year |
| 001 | Endrin | DAILY MX | report only | all year |
| 001 | Toxaphene | DAILY MX | report only | all year |
| 001 | Polychlorinated biphenyls [PCBs] | DAILY MX | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Chlorine, total residual | MO AVG | <= 9 ug/L | all year |
| 001 | Chlorine, total residual | DAILY MX | <= 18 ug/L | all year |
| 001 | Chlorine, total residual | MO AVG | <= 200 g/d | all year |
| 001 | Chlorine, total residual | DAILY MX | <= 410 g/d | all year |
| 001 | E. coli, colony forming units [CFU] | MO AVG | <= 126 CFU/100mL | all year |
| 001 | E. coli, colony forming units [CFU] | DAILY MX | <= 575 CFU/100mL | all year |
| 001 | Solids, total dissolved | DAILY MX | report only | all year |
| 001 | BOD, 5-day, percent removal | MO AV MN | >= 85 % | all year |
| 001 | Solids, suspended percent removal | MO AV MN | >= 85 % | all year |
| 002 | Oxygen, dissolved [DO] | DAILY MX | report only | all year |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | <= 30 mg/L | all year |
| 002 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 45 mg/L | all year |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | <= 680 kg/d | all year |
| 002 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 1000 kg/d | all year |
| 002 | pH | MINIMUM | >= 6.5 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 002 | Solids, total suspended | WKLY AVG | <= 45 mg/L | all year |
| 002 | Solids, total suspended | MO AVG | <= 680 kg/d | all year |
| 002 | Solids, total suspended | WKLY AVG | <= 1000 kg/d | all year |
| 002 | Oil & Grease | MO AVG | <= 10 mg/L | all year |
| 002 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 002 | Oil & Grease | MO AVG | <= 230 kg/d | all year |
| 002 | Oil & Grease | DAILY MX | <= 340 kg/d | all year |
| 002 | Selenium, total recoverable | MO AVG | <= 3 ug/L | all year |
| 002 | Selenium, total recoverable | DAILY MX | <= 5 ug/L | all year |
| 002 | Selenium, total recoverable | MO AVG | <= 70 g/d | all year |
| 002 | Selenium, total recoverable | DAILY MX | <= 100 g/d | all year |
| 002 | Boron, total recoverable | MO AVG | <= 1000 ug/L | all year |
| 002 | Boron, total recoverable | DAILY MX | report only | all year |
| 002 | Boron, total recoverable | DAILY MX | <= 1460 ug/L | all year |
| 002 | Boron, total recoverable | MO AVG | <= 23 kg/d | all year |
| 002 | Boron, total recoverable | DAILY MX | <= 33.1 kg/d | all year |
| 002 | Manganese, total recoverable | DAILY MX | report only | all year |
| 002 | 1,1,1-Trichloroethane | DAILY MX | report only | all year |
| 002 | Benzidine | DAILY MX | report only | all year |
| 002 | 4,4'-DDT | DAILY MX | report only | all year |
| 002 | 4,4'-DDD | DAILY MX | report only | all year |
| 002 | 4,4'-DDE | DAILY MX | report only | all year |
| 002 | Aldrin | DAILY MX | report only | all year |
| 002 | Dieldrin | DAILY MX | report only | all year |
| 002 | Endrin | DAILY MX | report only | all year |
| 002 | Toxaphene | DAILY MX | report only | all year |
| 002 | Polychlorinated biphenyls [PCBs] | DAILY MX | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 002 | Chlorine, total residual | MO AVG | <= 9 ug/L | all year |
| 002 | Chlorine, total residual | DAILY MX | <= 18 ug/L | all year |
| 002 | Chlorine, total residual | MO AVG | <= 200 g/d | all year |
| 002 | Chlorine, total residual | DAILY MX | <= 410 g/d | all year |
| 002 | E. coli, colony forming units [CFU] | MO AVG | <= 126 CFU/100mL | all year |
| 002 | E. coli, colony forming units [CFU] | DAILY MX | <= 575 CFU/100mL | all year |
| 002 | Solids, total dissolved | DAILY MX | report only | all year |
| 002 | BOD, 5-day, percent removal | MO AV MN | >= 85 % | all year |
| 002 | Solids, suspended percent removal | MO AV MN | >= 85 % | all year |
| 003 | BOD, 5-day, 20 deg. C | MO AVG | <= 30 mg/L | all year |
| 003 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 45 mg/L | all year |
| 003 | BOD, 5-day, 20 deg. C | MO AVG | <= 680 kg/d | all year |
| 003 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 1000 kg/d | all year |
| 003 | pH | MINIMUM | >= 6.5 SU | all year |
| 003 | pH | MAXIMUM | <= 9 SU | all year |
| 003 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 003 | Solids, total suspended | WKLY AVG | <= 45 mg/L | all year |
| 003 | Solids, total suspended | MO AVG | <= 680 kg/d | all year |
| 003 | Solids, total suspended | WKLY AVG | <= 1000 kg/d | all year |
| 003 | Oil & Grease | MO AVG | <= 10 mg/L | all year |
| 003 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 003 | Oil & Grease | MO AVG | <= 230 kg/d | all year |
| 003 | Oil & Grease | DAILY MX | <= 340 kg/d | all year |
| 003 | Selenium, total recoverable | MO AVG | <= 3 ug/L | all year |
| 003 | Selenium, total recoverable | DAILY MX | <= 5 ug/L | all year |
| 003 | Selenium, total recoverable | MO AVG | <= 70 g/d | all year |
| 003 | Selenium, total recoverable | DAILY MX | <= 100 g/d | all year |
| 003 | Boron, total recoverable | MO AVG | <= 1000 ug/L | all year |
| 003 | Boron, total recoverable | DAILY MX | <= 1460 ug/L | all year |
| 003 | Boron, total recoverable | MO AVG | <= 23 kg/d | all year |
| 003 | Boron, total recoverable | DAILY MX | <= 33.1 kg/d | all year |
| 003 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 003 | Chlorine, total residual | MO AVG | <= 9 ug/L | all year |
| 003 | Chlorine, total residual | DAILY MX | <= 18 ug/L | all year |
| 003 | Chlorine, total residual | MO AVG | <= 200 g/d | all year |
| 003 | Chlorine, total residual | DAILY MX | <= 410 g/d | all year |
| 003 | E. coli, colony forming units [CFU] | MO AVG | <= 126 CFU/100mL | all year |
| 003 | E. coli, colony forming units [CFU] | DAILY MX | <= 575 CFU/100mL | all year |
| 003 | BOD, 5-day, percent removal | MO AV MN | >= 85 % | all year |
| 003 | Solids, suspended percent removal | MO AV MN | >= 85 % | all year |
| INF | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| INF | BOD, 5-day, 20 deg. C | WKLY AVG | report only | all year |
| INF | Solids, total suspended | MO AVG | report only | all year |
| INF | Solids, total suspended | WKLY AVG | report only | all year |
| INF | Solids, total suspended | MO AVG | report only | all year |
| INF | Solids, total suspended | WKLY AVG | report only | all year |
Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states