A91/100
MILLVIEW COUNTY WATER DISTRICT — Water Quality Report 2026
Serving 5,500 people · California
Water Source
Surface Water
County
—
System ID
CA2310006
Violations
1
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.69 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1980.
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 MILLVIEW COUNTY WATER DISTRICT
Is MILLVIEW COUNTY WATER DISTRICT water safe to drink?
MILLVIEW COUNTY WATER DISTRICT water receives a grade of A (91/100), which is considered excellent. Out of 32 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MILLVIEW COUNTY WATER DISTRICT detected?
32 contaminants were tested in MILLVIEW COUNTY WATER DISTRICT's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does MILLVIEW COUNTY WATER DISTRICT have any EPA violations?
Yes, MILLVIEW COUNTY WATER DISTRICT has 1 EPA violation(s) on record, with the most recent in 1980. Violation types include Other.
How many people does MILLVIEW COUNTY WATER DISTRICT serve?
MILLVIEW COUNTY WATER DISTRICT serves approximately 5,500 people, California.
What type of water does MILLVIEW COUNTY WATER DISTRICT provide?
MILLVIEW COUNTY WATER DISTRICT 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 CA2310006.
How does MILLVIEW COUNTY WATER DISTRICT compare to other utilities in California?
MILLVIEW COUNTY WATER DISTRICT scores 91/100 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.