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City Of Scottsdale

Industrial or other facility, major discharger, Unknown, Arizona. NPDES permit AZS000020 expired Jun 30, 2026; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 30 days after each period: outfall 4527 form E every 7 months, outfall 4528 form E every 7 months, outfall 4529 form E every 7 months, outfall 4530 form E every 7 months, outfall 4531 form E every 7 months
Last report on file
May 2026
Oct 2024 – Sep 2025
0 values over a limit, 12 required values missing, 0 of 5 reports late

Limits in force (80)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademaximum valuereport only (deg C)all year4527
pHmaximum valuereport only (SU)all year4527
Solids, total suspendedmaximum valuereport only (mg/L)all year4527
Nitrogen, ammonia total [as N]maximum valuereport only (mg/L)all year4527
Nitrogen, Kjeldahl, total [as N]maximum valuereport only (mg/L)all year4527
Nitrite + Nitrate total [as N]maximum valuereport only (mg/L)all year4527
Phosphorus, total [as P]maximum valuereport only (mg/L)all year4527
Hardness, total [as CaCO3]maximum valuereport only (mg/L)all year4527
Arsenic, total [as As]maximum valuereport only (mg/L)all year4527
Chromium, total [as Cr]maximum valuereport only (mg/L)all year4527
Copper, total [as Cu]maximum valuereport only (mg/L)all year4527
Lead, total [as Pb]maximum valuereport only (mg/L)all year4527
Zinc, total [as Zn]maximum valuereport only (mg/L)all year4527
Selenium, total [as Se]maximum valuereport only (mg/L)all year4527
Oil and greasemaximum valuereport only (mg/L)all year4527
E. coli, colony forming units [CFU]maximum valuereport only (CFU/100mL)all year4527
Temperature, water deg. centigrademaximum valuereport only (deg C)all year4528
pHmaximum valuereport only (SU)all year4528
Solids, total suspendedmaximum valuereport only (mg/L)all year4528
Nitrogen, ammonia total [as N]maximum valuereport only (mg/L)all year4528
Nitrogen, Kjeldahl, total [as N]maximum valuereport only (mg/L)all year4528
Nitrite + Nitrate total [as N]maximum valuereport only (mg/L)all year4528
Phosphorus, total [as P]maximum valuereport only (mg/L)all year4528
Hardness, total [as CaCO3]maximum valuereport only (mg/L)all year4528
Arsenic, total [as As]maximum valuereport only (mg/L)all year4528
Chromium, total [as Cr]maximum valuereport only (mg/L)all year4528
Copper, total [as Cu]maximum valuereport only (mg/L)all year4528
Lead, total [as Pb]maximum valuereport only (mg/L)all year4528
Zinc, total [as Zn]maximum valuereport only (mg/L)all year4528
Selenium, total [as Se]maximum valuereport only (mg/L)all year4528
Oil and greasemaximum valuereport only (mg/L)all year4528
E. coli, colony forming units [CFU]maximum valuereport only (CFU/100mL)all year4528
Temperature, water deg. centigrademaximum valuereport only (deg C)all year4529
pHmaximum valuereport only (SU)all year4529
Solids, total suspendedmaximum valuereport only (mg/L)all year4529
Nitrogen, ammonia total [as N]maximum valuereport only (mg/L)all year4529
Nitrogen, Kjeldahl, total [as N]maximum valuereport only (mg/L)all year4529
Nitrite + Nitrate total [as N]maximum valuereport only (mg/L)all year4529
Phosphorus, total [as P]maximum valuereport only (mg/L)all year4529
Hardness, total [as CaCO3]maximum valuereport only (mg/L)all year4529
Arsenic, total [as As]maximum valuereport only (mg/L)all year4529
Chromium, total [as Cr]maximum valuereport only (mg/L)all year4529
Copper, total [as Cu]maximum valuereport only (mg/L)all year4529
Lead, total [as Pb]maximum valuereport only (mg/L)all year4529
Zinc, total [as Zn]maximum valuereport only (mg/L)all year4529
Selenium, total [as Se]maximum valuereport only (mg/L)all year4529
Oil and greasemaximum valuereport only (mg/L)all year4529
E. coli, colony forming units [CFU]maximum valuereport only (CFU/100mL)all year4529
Temperature, water deg. centigrademaximum valuereport only (deg C)all year4530
pHmaximum valuereport only (SU)all year4530
Solids, total suspendedmaximum valuereport only (mg/L)all year4530
Nitrogen, ammonia total [as N]maximum valuereport only (mg/L)all year4530
Nitrogen, Kjeldahl, total [as N]maximum valuereport only (mg/L)all year4530
Nitrite + Nitrate total [as N]maximum valuereport only (mg/L)all year4530
Phosphorus, total [as P]maximum valuereport only (mg/L)all year4530
Hardness, total [as CaCO3]maximum valuereport only (mg/L)all year4530
Arsenic, total [as As]maximum valuereport only (mg/L)all year4530
Chromium, total [as Cr]maximum valuereport only (mg/L)all year4530
Copper, total [as Cu]maximum valuereport only (mg/L)all year4530
Lead, total [as Pb]maximum valuereport only (mg/L)all year4530
Zinc, total [as Zn]maximum valuereport only (mg/L)all year4530
Selenium, total [as Se]maximum valuereport only (mg/L)all year4530
Oil and greasemaximum valuereport only (mg/L)all year4530
E. coli, colony forming units [CFU]maximum valuereport only (CFU/100mL)all year4530
Temperature, water deg. centigrademaximum valuereport only (deg C)all year4531
pHmaximum valuereport only (SU)all year4531
Solids, total suspendedmaximum valuereport only (mg/L)all year4531
Nitrogen, ammonia total [as N]maximum valuereport only (mg/L)all year4531
Nitrogen, Kjeldahl, total [as N]maximum valuereport only (mg/L)all year4531
Nitrite + Nitrate total [as N]maximum valuereport only (mg/L)all year4531
Phosphorus, total [as P]maximum valuereport only (mg/L)all year4531
Hardness, total [as CaCO3]maximum valuereport only (mg/L)all year4531
Arsenic, total [as As]maximum valuereport only (mg/L)all year4531
Chromium, total [as Cr]maximum valuereport only (mg/L)all year4531
Copper, total [as Cu]maximum valuereport only (mg/L)all year4531
Lead, total [as Pb]maximum valuereport only (mg/L)all year4531
Zinc, total [as Zn]maximum valuereport only (mg/L)all year4531
Selenium, total [as Se]maximum valuereport only (mg/L)all year4531
Oil and greasemaximum valuereport only (mg/L)all year4531
E. coli, colony forming units [CFU]maximum valuereport only (CFU/100mL)all year4531

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/AZS000020 · MCP: https://passage-data.com/mcp