City Of Mesa - Environmental Programs

NPDES permit AZS000004 · Major NON-POTW · administratively continued, expires 2026-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2026-06-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 10 forms filed late

Last period with anything received: 2026-05-31.

Reporting

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).

Limits in force (80)

OutfallParameterStatisticLimitMonths
4427Temperature, water deg. centigradeM0 report only all year
4427pHM0 report only all year
4427Solids, total suspendedM0 report only all year
4427Nitrogen, ammonia total [as N]M0 report only all year
4427Nitrogen, Kjeldahl, total [as N]M0 report only all year
4427Nitrite + Nitrate total [as N]M0 report only all year
4427Phosphorus, total [as P]M0 report only all year
4427Hardness, total [as CaCO3]M0 report only all year
4427Arsenic, total [as As]M0 report only all year
4427Chromium, total [as Cr]M0 report only all year
4427Copper, total [as Cu]M0 report only all year
4427Lead, total [as Pb]M0 report only all year
4427Zinc, total [as Zn]M0 report only all year
4427Selenium, total [as Se]M0 report only all year
4427Oil and greaseM0 report only all year
4427E. coli, colony forming units [CFU]M0 report only all year
4428Temperature, water deg. centigradeM0 report only all year
4428pHM0 report only all year
4428Solids, total suspendedM0 report only all year
4428Nitrogen, ammonia total [as N]M0 report only all year
4428Nitrogen, Kjeldahl, total [as N]M0 report only all year
4428Nitrite + Nitrate total [as N]M0 report only all year
4428Phosphorus, total [as P]M0 report only all year
4428Hardness, total [as CaCO3]M0 report only all year
4428Arsenic, total [as As]M0 report only all year
4428Chromium, total [as Cr]M0 report only all year
4428Copper, total [as Cu]M0 report only all year
4428Lead, total [as Pb]M0 report only all year
4428Zinc, total [as Zn]M0 report only all year
4428Selenium, total [as Se]M0 report only all year
4428Oil and greaseM0 report only all year
4428E. coli, colony forming units [CFU]M0 report only all year
4429Temperature, water deg. centigradeM0 report only all year
4429pHM0 report only all year
4429Solids, total suspendedM0 report only all year
4429Nitrogen, ammonia total [as N]M0 report only all year
4429Nitrogen, Kjeldahl, total [as N]M0 report only all year
4429Nitrite + Nitrate total [as N]M0 report only all year
4429Phosphorus, total [as P]M0 report only all year
4429Hardness, total [as CaCO3]M0 report only all year
4429Arsenic, total [as As]M0 report only all year
4429Chromium, total [as Cr]M0 report only all year
4429Copper, total [as Cu]M0 report only all year
4429Lead, total [as Pb]M0 report only all year
4429Zinc, total [as Zn]M0 report only all year
4429Selenium, total [as Se]M0 report only all year
4429Oil and greaseM0 report only all year
4429E. coli, colony forming units [CFU]M0 report only all year
4430Temperature, water deg. centigradeM0 report only all year
4430pHM0 report only all year
4430Solids, total suspendedM0 report only all year
4430Nitrogen, ammonia total [as N]M0 report only all year
4430Nitrogen, Kjeldahl, total [as N]M0 report only all year
4430Nitrite + Nitrate total [as N]M0 report only all year
4430Phosphorus, total [as P]M0 report only all year
4430Hardness, total [as CaCO3]M0 report only all year
4430Arsenic, total [as As]M0 report only all year
4430Chromium, total [as Cr]M0 report only all year
4430Copper, total [as Cu]M0 report only all year
4430Lead, total [as Pb]M0 report only all year
4430Zinc, total [as Zn]M0 report only all year
4430Selenium, total [as Se]M0 report only all year
4430Oil and greaseM0 report only all year
4430E. coli, colony forming units [CFU]M0 report only all year
4431Temperature, water deg. centigradeM0 report only all year
4431pHM0 report only all year
4431Solids, total suspendedM0 report only all year
4431Nitrogen, ammonia total [as N]M0 report only all year
4431Nitrogen, Kjeldahl, total [as N]M0 report only all year
4431Nitrite + Nitrate total [as N]M0 report only all year
4431Phosphorus, total [as P]M0 report only all year
4431Hardness, total [as CaCO3]M0 report only all year
4431Arsenic, total [as As]M0 report only all year
4431Chromium, total [as Cr]M0 report only all year
4431Copper, total [as Cu]M0 report only all year
4431Lead, total [as Pb]M0 report only all year
4431Zinc, total [as Zn]M0 report only all year
4431Selenium, total [as Se]M0 report only all year
4431Oil and greaseM0 report only all year
4431E. coli, colony forming units [CFU]M0 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