Public water system record
Epcor - Paradise Valley/Scottsdale
Serves Paradise Valley and Scottsdale, Maricopa County, AZ · 14,107 people served
Federal records show no health-based violations and 3 monitoring/reporting issues for Epcor - Paradise Valley/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
- 3
Key facts
- Epcor - Paradise Valley/Scottsdale draws water from 6 wells.
- Most recent formal enforcement: compliance order (no penalty) by Arizona, March 2008.
- Record on file since 1987, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 145 unknown out of 5,793 service lines.
Check whether Epcor - Paradise Valley/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 |
|---|---|---|
|
Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2024 | Resolved |
|
Arsenic
Monitoring and reporting
|
Apr 1, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Feb 1, 2018 | Resolved |
Full record since 1987
EPA's records for Epcor - Paradise Valley/Scottsdale go back to 1987. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 75 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 1990s | 1 | 28 |
| 2000s | 2 | 41 |
| 2010 to October 18, 2016 | 0 | 5 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Trichloroethylene, began January 2008, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Trichloroethylene
Contaminant limit exceeded
Measured 0.023 mg/L, federal limit 0.005 mg/L (4.6 times the limit)
|
Jan 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1999 | Resolved |
Enforcement actions
Arizona regulators took 1 formal enforcement action against Epcor - Paradise Valley/Scottsdale in 2008. The most recent was a compliance order (no penalty) in March 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 28, 2008 | Arizona | Compliance order (no penalty) | 1 violation (1 health-based): Trichloroethylene |
Where the water comes from
Epcor - Paradise Valley/Scottsdale draws water from 6 wells. It also buys water from City of Phoenix.
Buys water from
- City of Phoenix Phoenix, AZ
Annual water quality report
Epcor - Paradise Valley/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