A83/100
WEAVERVILLE C.S.D. — Water Quality Report 2026
Serving 3,975 people · California
Water Source
Surface Water
County
—
System ID
CA5310001
Violations
2
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.005 µg/L | 0.004 µg/L | Over Limit |
Lead (90th percentile) | 0.012 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 WEAVERVILLE C.S.D.
Is WEAVERVILLE C.S.D. water safe to drink?
WEAVERVILLE C.S.D. water receives a grade of A (83/100), which is considered excellent. Out of 31 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has WEAVERVILLE C.S.D. detected?
31 contaminants were tested in WEAVERVILLE C.S.D.'s water. Notable contaminants include PFOS, Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does WEAVERVILLE C.S.D. have any EPA violations?
Yes, WEAVERVILLE C.S.D. has 2 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, TT. 1 are health-based violations.
How many people does WEAVERVILLE C.S.D. serve?
WEAVERVILLE C.S.D. serves approximately 3,975 people, California.
What type of water does WEAVERVILLE C.S.D. provide?
WEAVERVILLE C.S.D. 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 CA5310001.
How does WEAVERVILLE C.S.D. compare to other utilities in California?
WEAVERVILLE C.S.D. scores 83/100 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.