D27/100
CWS - KERNVILLE — Water Quality Report 2026
Serving 2,572 people · California
Water Source
Surface Water
County
—
System ID
CA1510033
Violations
14
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.60 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.007 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 CWS - KERNVILLE
Is CWS - KERNVILLE water safe to drink?
CWS - KERNVILLE water receives a grade of D (27/100), which is considered poor. 1 contaminant(s) exceed EPA legal limits and 14 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CWS - KERNVILLE detected?
2 contaminants were tested in CWS - KERNVILLE's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does CWS - KERNVILLE have any EPA violations?
Yes, CWS - KERNVILLE has 14 EPA violation(s) on record, with the most recent in 2019. Violation types include MCL, MR. 12 are health-based violations.
How many people does CWS - KERNVILLE serve?
CWS - KERNVILLE serves approximately 2,572 people, California.
What type of water does CWS - KERNVILLE provide?
CWS - KERNVILLE sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA1510033.
How does CWS - KERNVILLE compare to other utilities in California?
CWS - KERNVILLE scores 27/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our California state page for a full comparison of water systems.