A96/100
HERLONG PUBLIC UTILITY DISTRICT — Water Quality Report 2026
Serving 2,114 people · California
Water Source
Groundwater
County
—
System ID
CA1805007
Violations
1
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 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 HERLONG PUBLIC UTILITY DISTRICT
Is HERLONG PUBLIC UTILITY DISTRICT water safe to drink?
HERLONG PUBLIC UTILITY DISTRICT water receives a grade of A (96/100), which is considered excellent. Out of 21 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has HERLONG PUBLIC UTILITY DISTRICT detected?
21 contaminants were tested in HERLONG PUBLIC UTILITY DISTRICT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does HERLONG PUBLIC UTILITY DISTRICT have any EPA violations?
Yes, HERLONG PUBLIC UTILITY DISTRICT has 1 EPA violation(s) on record, with the most recent in 2019. Violation types include MR.
How many people does HERLONG PUBLIC UTILITY DISTRICT serve?
HERLONG PUBLIC UTILITY DISTRICT serves approximately 2,114 people, California.
What type of water does HERLONG PUBLIC UTILITY DISTRICT provide?
HERLONG PUBLIC UTILITY DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA1805007.
How does HERLONG PUBLIC UTILITY DISTRICT compare to other utilities in California?
HERLONG PUBLIC UTILITY DISTRICT scores 96/100 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.