A90/100
LAKE COUNTY CSA 21 - NORTH LAKEPORT — Water Quality Report 2026
Serving 4,046 people · California
Water Source
Surface Water
County
—
System ID
CA1710021
Violations
2
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2008.
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 LAKE COUNTY CSA 21 - NORTH LAKEPORT
Is LAKE COUNTY CSA 21 - NORTH LAKEPORT water safe to drink?
LAKE COUNTY CSA 21 - NORTH LAKEPORT water receives a grade of A (90/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has LAKE COUNTY CSA 21 - NORTH LAKEPORT detected?
1 contaminants were tested in LAKE COUNTY CSA 21 - NORTH LAKEPORT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does LAKE COUNTY CSA 21 - NORTH LAKEPORT have any EPA violations?
Yes, LAKE COUNTY CSA 21 - NORTH LAKEPORT has 2 EPA violation(s) on record, with the most recent in 2008. Violation types include TT. 2 are health-based violations.
How many people does LAKE COUNTY CSA 21 - NORTH LAKEPORT serve?
LAKE COUNTY CSA 21 - NORTH LAKEPORT serves approximately 4,046 people, California.
What type of water does LAKE COUNTY CSA 21 - NORTH LAKEPORT provide?
LAKE COUNTY CSA 21 - NORTH LAKEPORT 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 CA1710021.
How does LAKE COUNTY CSA 21 - NORTH LAKEPORT compare to other utilities in California?
LAKE COUNTY CSA 21 - NORTH LAKEPORT scores 90/100 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.