Public water system record
Clearwater Utility Company Inc
Serves an area of Maricopa County, AZ that includes Buckeye · 2,175 people served
Federal records show 2 health-based violations and 13 monitoring/reporting issues for Clearwater Utility Company Inc in the last ten years. The most serious issue in this window was a Revised Total Coliform Rule violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 1
- Unresolved
- 0
- Archived by EPA
- 1
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 13
Key facts
- Clearwater Utility Company Inc draws water from 2 wells.
- Highest measured level in the last 10 years: Arsenic, 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit), 2024.
- Record on file since 1983, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 102 unknown out of 1,012 service lines.
Check whether Clearwater Utility Company Inc 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Dec 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Yes |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
330 | Oct 1, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
E. coli
Monitoring and reporting
|
Dec 16, 2025 | Active |
|
Public Notice
OTHER
|
Dec 1, 2025 | Resolved |
|
Revised Total Coliform Rule
OTHER
|
Dec 1, 2025 | Active |
|
E. coli
Monitoring and reporting
|
Aug 7, 2025 | Resolved |
|
E. coli
Monitoring and reporting
|
Jun 6, 2025 | Resolved |
|
Public Notice
OTHER
|
Feb 15, 2023 | Resolved |
|
Fluoride
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Jan 25, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
Full record since 1983
EPA's records for Clearwater Utility Company Inc go back to 1983. Before October 19, 2016 they list 5 health-based violations (4 resolved, 1 archived by EPA without a recorded fix) and 255 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 0 |
| 1990s | 1 | 151 |
| 2000s | 1 | 97 |
| 2010 to October 18, 2016 | 2 | 7 |
| October 19, 2016 to 2019 | 0 | 5 |
| 2020s | 2 | 8 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began April 2011, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
Apr 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.1 mg/L, federal limit 4 mg/L (at or just above the limit)
|
Jan 1, 2001 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.7 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jan 1, 1998 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Feb 7, 1983 | Archived |
What the violations mean
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Arsenic
1 incidentArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Where the water comes from
Clearwater Utility Company Inc draws water from 2 wells.
Annual water quality report
Clearwater Utility Company Inc 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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