B74/100
REDWOOD VALLEY COUNTY WATER DISTRICT — Water Quality Report 2026
Serving 5,200 people · California
Water Source
Surface Water
County
—
System ID
CA2310008
Violations
6
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2005.
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 REDWOOD VALLEY COUNTY WATER DISTRICT
Is REDWOOD VALLEY COUNTY WATER DISTRICT water safe to drink?
REDWOOD VALLEY COUNTY WATER DISTRICT water receives a grade of B (74/100), which is considered good. Out of 34 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has REDWOOD VALLEY COUNTY WATER DISTRICT detected?
34 contaminants were tested in REDWOOD VALLEY COUNTY WATER DISTRICT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does REDWOOD VALLEY COUNTY WATER DISTRICT have any EPA violations?
Yes, REDWOOD VALLEY COUNTY WATER DISTRICT has 6 EPA violation(s) on record, with the most recent in 2005. Violation types include MCL, TT, MR. 5 are health-based violations.
How many people does REDWOOD VALLEY COUNTY WATER DISTRICT serve?
REDWOOD VALLEY COUNTY WATER DISTRICT serves approximately 5,200 people, California.
What type of water does REDWOOD VALLEY COUNTY WATER DISTRICT provide?
REDWOOD VALLEY 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 CA2310008.
How does REDWOOD VALLEY COUNTY WATER DISTRICT compare to other utilities in California?
REDWOOD VALLEY COUNTY WATER DISTRICT scores 74/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our California state page for a full comparison of water systems.