City Of Scottsdale

NPDES permit AZS000020 · 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
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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
4527Temperature, water deg. centigradeM0 report only all year
4527pHM0 report only all year
4527Solids, total suspendedM0 report only all year
4527Nitrogen, ammonia total [as N]M0 report only all year
4527Nitrogen, Kjeldahl, total [as N]M0 report only all year
4527Nitrite + Nitrate total [as N]M0 report only all year
4527Phosphorus, total [as P]M0 report only all year
4527Hardness, total [as CaCO3]M0 report only all year
4527Arsenic, total [as As]M0 report only all year
4527Chromium, total [as Cr]M0 report only all year
4527Copper, total [as Cu]M0 report only all year
4527Lead, total [as Pb]M0 report only all year
4527Zinc, total [as Zn]M0 report only all year
4527Selenium, total [as Se]M0 report only all year
4527Oil and greaseM0 report only all year
4527E. coli, colony forming units [CFU]M0 report only all year
4528Temperature, water deg. centigradeM0 report only all year
4528pHM0 report only all year
4528Solids, total suspendedM0 report only all year
4528Nitrogen, ammonia total [as N]M0 report only all year
4528Nitrogen, Kjeldahl, total [as N]M0 report only all year
4528Nitrite + Nitrate total [as N]M0 report only all year
4528Phosphorus, total [as P]M0 report only all year
4528Hardness, total [as CaCO3]M0 report only all year
4528Arsenic, total [as As]M0 report only all year
4528Chromium, total [as Cr]M0 report only all year
4528Copper, total [as Cu]M0 report only all year
4528Lead, total [as Pb]M0 report only all year
4528Zinc, total [as Zn]M0 report only all year
4528Selenium, total [as Se]M0 report only all year
4528Oil and greaseM0 report only all year
4528E. coli, colony forming units [CFU]M0 report only all year
4529Temperature, water deg. centigradeM0 report only all year
4529pHM0 report only all year
4529Solids, total suspendedM0 report only all year
4529Nitrogen, ammonia total [as N]M0 report only all year
4529Nitrogen, Kjeldahl, total [as N]M0 report only all year
4529Nitrite + Nitrate total [as N]M0 report only all year
4529Phosphorus, total [as P]M0 report only all year
4529Hardness, total [as CaCO3]M0 report only all year
4529Arsenic, total [as As]M0 report only all year
4529Chromium, total [as Cr]M0 report only all year
4529Copper, total [as Cu]M0 report only all year
4529Lead, total [as Pb]M0 report only all year
4529Zinc, total [as Zn]M0 report only all year
4529Selenium, total [as Se]M0 report only all year
4529Oil and greaseM0 report only all year
4529E. coli, colony forming units [CFU]M0 report only all year
4530Temperature, water deg. centigradeM0 report only all year
4530pHM0 report only all year
4530Solids, total suspendedM0 report only all year
4530Nitrogen, ammonia total [as N]M0 report only all year
4530Nitrogen, Kjeldahl, total [as N]M0 report only all year
4530Nitrite + Nitrate total [as N]M0 report only all year
4530Phosphorus, total [as P]M0 report only all year
4530Hardness, total [as CaCO3]M0 report only all year
4530Arsenic, total [as As]M0 report only all year
4530Chromium, total [as Cr]M0 report only all year
4530Copper, total [as Cu]M0 report only all year
4530Lead, total [as Pb]M0 report only all year
4530Zinc, total [as Zn]M0 report only all year
4530Selenium, total [as Se]M0 report only all year
4530Oil and greaseM0 report only all year
4530E. coli, colony forming units [CFU]M0 report only all year
4531Temperature, water deg. centigradeM0 report only all year
4531pHM0 report only all year
4531Solids, total suspendedM0 report only all year
4531Nitrogen, ammonia total [as N]M0 report only all year
4531Nitrogen, Kjeldahl, total [as N]M0 report only all year
4531Nitrite + Nitrate total [as N]M0 report only all year
4531Phosphorus, total [as P]M0 report only all year
4531Hardness, total [as CaCO3]M0 report only all year
4531Arsenic, total [as As]M0 report only all year
4531Chromium, total [as Cr]M0 report only all year
4531Copper, total [as Cu]M0 report only all year
4531Lead, total [as Pb]M0 report only all year
4531Zinc, total [as Zn]M0 report only all year
4531Selenium, total [as Se]M0 report only all year
4531Oil and greaseM0 report only all year
4531E. 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