A80/100
OLIVEHURST PUBLIC U.D. — Water Quality Report 2026
Serving 16,595 people · California
Water Source
Groundwater
County
—
System ID
CA5810003
Violations
9
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 730.00 µg/L | — | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – January 31, 2022Rule: Total Coliform RuleEnforcement: 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 OLIVEHURST PUBLIC U.D.
Is OLIVEHURST PUBLIC U.D. water safe to drink?
OLIVEHURST PUBLIC U.D. water receives a grade of A (80/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has OLIVEHURST PUBLIC U.D. detected?
66 contaminants were tested in OLIVEHURST PUBLIC U.D.'s water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does OLIVEHURST PUBLIC U.D. have any EPA violations?
Yes, OLIVEHURST PUBLIC U.D. has 9 EPA violation(s) on record, with the most recent in 2022. Violation types include MON, MCL, MR. 2 are health-based violations.
How many people does OLIVEHURST PUBLIC U.D. serve?
OLIVEHURST PUBLIC U.D. serves approximately 16,595 people, California.
What type of water does OLIVEHURST PUBLIC U.D. provide?
OLIVEHURST PUBLIC U.D. sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA5810003.
How does OLIVEHURST PUBLIC U.D. compare to other utilities in California?
OLIVEHURST PUBLIC U.D. scores 80/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our California state page for a full comparison of water systems.