D34/100
WILLITS, CITY OF — Water Quality Report 2026
Serving 6,175 people · California
Water Source
Surface Water
County
—
System ID
CA2310004
Violations
14
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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 WILLITS, CITY OF
Is WILLITS, CITY OF water safe to drink?
WILLITS, CITY OF water receives a grade of D (34/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 14 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WILLITS, CITY OF detected?
31 contaminants were tested in WILLITS, CITY OF's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does WILLITS, CITY OF have any EPA violations?
Yes, WILLITS, CITY OF has 14 EPA violation(s) on record, with the most recent in 2015. Violation types include MCL, TT, MR. 13 are health-based violations.
How many people does WILLITS, CITY OF serve?
WILLITS, CITY OF serves approximately 6,175 people, California. The system provides water to 1 community: Willits.
What type of water does WILLITS, CITY OF provide?
WILLITS, CITY OF 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 CA2310004.
How does WILLITS, CITY OF compare to other utilities in California?
WILLITS, CITY OF scores 34/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our California state page for a full comparison of water systems.