A94/100
EASTERN MUNICIPAL WD — Water Quality Report 2026
Serving 666,581 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA3310009
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
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 EASTERN MUNICIPAL WD
Is EASTERN MUNICIPAL WD water safe to drink?
EASTERN MUNICIPAL WD water receives a grade of A (94/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has EASTERN MUNICIPAL WD detected?
76 contaminants were tested in EASTERN MUNICIPAL WD's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does EASTERN MUNICIPAL WD have any EPA violations?
Yes, EASTERN MUNICIPAL WD has 3 EPA violation(s) on record, with the most recent in 2014. Violation types include MR, Other.
How many people does EASTERN MUNICIPAL WD serve?
EASTERN MUNICIPAL WD serves approximately 666,581 people, California.
What type of water does EASTERN MUNICIPAL WD provide?
EASTERN MUNICIPAL WD sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA3310009.
How does EASTERN MUNICIPAL WD compare to other utilities in California?
EASTERN MUNICIPAL WD scores 94/100 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.