Public water system record
City of Scottsdale
Serves Scottsdale, Maricopa County, AZ · 241,361 people served
Federal records show no health-based violations and 17 monitoring/reporting issues for City of Scottsdale in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 17
Key facts
- City of Scottsdale draws water from 22 wells and 2 surface water intakes.
- Record on file since 1979, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 5,100 unknown out of 92,407 service lines.
Check whether City of Scottsdale serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
CARBON, TOTAL
Monitoring and reporting
|
Mar 1, 2025 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2021 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
Full record since 1979
EPA's records for City of Scottsdale go back to 1979. Before October 19, 2016 they list 7 health-based violations (1 resolved, 6 archived by EPA without a recorded fix) and 906 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1980s | 6 | 1 |
| 1990s | 1 | 552 |
| 2000s | 0 | 348 |
| 2010 to October 18, 2016 | 0 | 3 |
| October 19, 2016 to 2019 | 0 | 12 |
| 2020s | 0 | 5 |
Most recent health-based violation before October 19, 2016: Total Coliform (acute), began May 1999, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 1999 | Resolved |
|
Chromium (total)
Contaminant limit exceeded
|
Jul 1, 1988 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1988 | Archived |
|
Chromium (total)
Contaminant limit exceeded
|
Jan 1, 1988 | Archived |
|
Chromium (total)
Contaminant limit exceeded
|
Feb 26, 1982 | Archived |
|
Chromium (total)
Contaminant limit exceeded
|
Feb 19, 1982 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 26, 1982 | Archived |
Where the water comes from
City of Scottsdale draws water from 22 wells and 2 surface water intakes. It also has an emergency connection to City of Phoenix. 2 other community water systems buy water from City of Scottsdale.
Emergency or part-time connections to
- City of Phoenix Phoenix, AZ
Community systems that buy water from it
- Carefree Water Company Carefree, AZ
- Tonto Hills DWID Cave Creek, AZ
Annual water quality report
City of Scottsdale must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Arizona.
Certified drinking water labs by state EPA guidance for private wells