F0/100
CAL AM - OAKHURST — Water Quality Report 2026
Serving 3,693 people · California
Water Source
Groundwater
County
—
System ID
CA2010007
Violations
97
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 440.00 µg/L | — | Above Goal |
molybdenum | 130.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 CAL AM - OAKHURST
Is CAL AM - OAKHURST water safe to drink?
CAL AM - OAKHURST water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 97 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CAL AM - OAKHURST detected?
51 contaminants were tested in CAL AM - OAKHURST's water. Notable contaminants include Lead (90th percentile), chlorate, molybdenum. No contaminants exceed EPA legal limits. 3 exceed EPA health goals (MCLGs).
Does CAL AM - OAKHURST have any EPA violations?
Yes, CAL AM - OAKHURST has 97 EPA violation(s) on record, with the most recent in 2019. Violation types include MCL, MR. 94 are health-based violations.
How many people does CAL AM - OAKHURST serve?
CAL AM - OAKHURST serves approximately 3,693 people, California.
What type of water does CAL AM - OAKHURST provide?
CAL AM - OAKHURST sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA2010007.
How does CAL AM - OAKHURST compare to other utilities in California?
CAL AM - OAKHURST scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our California state page for a full comparison of water systems.