D30/100
LAYTONVILLE COUNTY WATER DISTRICT — Water Quality Report 2026
Serving 1,152 people · California
Water Source
Groundwater
County
—
System ID
CA2310011
Violations
18
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2009.
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 LAYTONVILLE COUNTY WATER DISTRICT
Is LAYTONVILLE COUNTY WATER DISTRICT water safe to drink?
LAYTONVILLE COUNTY WATER DISTRICT water receives a grade of D (30/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 18 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has LAYTONVILLE COUNTY WATER DISTRICT detected?
1 contaminants were tested in LAYTONVILLE COUNTY WATER DISTRICT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does LAYTONVILLE COUNTY WATER DISTRICT have any EPA violations?
Yes, LAYTONVILLE COUNTY WATER DISTRICT has 18 EPA violation(s) on record, with the most recent in 2009. Violation types include MCL, MR, Other. 13 are health-based violations.
How many people does LAYTONVILLE COUNTY WATER DISTRICT serve?
LAYTONVILLE COUNTY WATER DISTRICT serves approximately 1,152 people, California.
What type of water does LAYTONVILLE COUNTY WATER DISTRICT provide?
LAYTONVILLE COUNTY WATER DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA2310011.
How does LAYTONVILLE COUNTY WATER DISTRICT compare to other utilities in California?
LAYTONVILLE COUNTY WATER DISTRICT scores 30/100 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.