SCOTTSDALE CITY OF
Arizona — Community Water System — PWSID: AZ0407098
System Information
| PWSID | AZ0407098 |
| System Name | SCOTTSDALE CITY OF |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Arizona |
| City | SCOTTSDALE |
| ZIP Code | 85255 |
| Address | PO BOX 25089 |
| Organization | BUTLER, SUSAN M |
| Phone | 480-312-8712 |
Population & Service
| Population Served | 241,361 |
| Service Connections | 92,701 |
Drinking Water Violations (960)
This water system has 960 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2025 | Mar 31, 2025 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Mar 31, 2025 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Mar 1, 2025 | Mar 31, 2025 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Mar 31, 2025 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Mar 1, 2025 | Mar 31, 2025 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Mar 31, 2025 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Jul 31, 2024 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Jul 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Jul 31, 2024 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Jul 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 | Sep 30, 2023 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Sep 30, 2023 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 | Sep 30, 2023 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Sep 30, 2023 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 | Sep 30, 2023 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Sep 30, 2023 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 | Sep 30, 2023 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Sep 30, 2023 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| May 1, 2021 | May 31, 2021 | Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | May 31, 2021 | Surface Water Treatment Rule |
| May 1, 2021 | May 31, 2021 | Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | May 31, 2021 | Surface Water Treatment Rule |
| Jan 1, 2019 | Dec 31, 2019 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2019 | Dec 31, 2019 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Oct 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 1, 2012 | Consumer Confidence Rule |
| Jan 1, 2010 | Dec 31, 2010 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2010 | Mar 31, 2010 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2010 | Arsenic Rule |
| Jan 1, 2010 | Mar 31, 2010 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2010 | Arsenic Rule |
| Jan 1, 2010 | Dec 31, 2010 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2009 | Arsenic Rule |
| Oct 1, 2009 | Dec 31, 2009 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2009 | Arsenic Rule |
| Jan 1, 2009 | Mar 31, 2009 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2009 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2009 | Mar 31, 2009 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2009 | Arsenic Rule |
| Jan 1, 2009 | Mar 31, 2009 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2009 | Arsenic Rule |
| Sep 1, 2008 | Sep 30, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2008 | Total Coliform Rule |
| Jan 1, 2008 | Dec 31, 2008 | Radium-226 | MR | No | No | — | — | — | Resolved | Dec 31, 2008 | Radionuclides and Revised Rad Rule |
| Jan 1, 2008 | Dec 31, 2008 | Combined Uranium | MR | No | No | — | 30 ug/L | — | Resolved | Dec 31, 2008 | Radionuclides and Revised Rad Rule |
| Jan 1, 2008 | Dec 31, 2008 | Radium-228 | MR | No | No | — | — | — | Resolved | Dec 31, 2008 | Radionuclides and Revised Rad Rule |
| Jan 1, 2008 | Dec 31, 2008 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Resolved | Dec 31, 2008 | Radionuclides and Revised Rad Rule |
| Jan 1, 2008 | Dec 31, 2008 | Combined Radium (-226 and -228) | MR | No | No | — | 5 pCi/L | — | Resolved | Dec 31, 2008 | Radionuclides and Revised Rad Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.