F0/100
BERNEIL WATER COMPANY — Water Quality Report 2026
Serving 1,388 people · Arizona
Water Source
Groundwater
County
—
System ID
AZ0407008
Violations
232
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.007 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: May 1, 2024 – July 5, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – March 31, 2023Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About BERNEIL WATER COMPANY
Is BERNEIL WATER COMPANY water safe to drink?
BERNEIL WATER COMPANY water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 232 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has BERNEIL WATER COMPANY detected?
1 contaminants were tested in BERNEIL WATER COMPANY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does BERNEIL WATER COMPANY have any EPA violations?
Yes, BERNEIL WATER COMPANY has 232 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR, RPT.
How many people does BERNEIL WATER COMPANY serve?
BERNEIL WATER COMPANY serves approximately 1,388 people, Arizona. The system provides water to 1 community: Paradise Valley.
What type of water does BERNEIL WATER COMPANY provide?
BERNEIL WATER COMPANY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0407008.
How does BERNEIL WATER COMPANY compare to other utilities in Arizona?
BERNEIL WATER COMPANY scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Arizona state page for a full comparison of water systems.