A88/100
LOWER LAKE COUNTY WATER DISTRICT — Water Quality Report 2026
Serving 1,326 people · California
Water Source
Groundwater
County
—
System ID
CA1710010
Violations
8
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – June 18, 2025Rule: Ground Water RuleEnforcement: Formal — state order issued
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 LOWER LAKE COUNTY WATER DISTRICT
Is LOWER LAKE COUNTY WATER DISTRICT water safe to drink?
LOWER LAKE COUNTY WATER DISTRICT water receives a grade of A (88/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has LOWER LAKE COUNTY WATER DISTRICT detected?
1 contaminants were tested in LOWER LAKE COUNTY WATER DISTRICT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does LOWER LAKE COUNTY WATER DISTRICT have any EPA violations?
Yes, LOWER LAKE COUNTY WATER DISTRICT has 8 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MCL, Other. 1 are health-based violations.
How many people does LOWER LAKE COUNTY WATER DISTRICT serve?
LOWER LAKE COUNTY WATER DISTRICT serves approximately 1,326 people, California.
What type of water does LOWER LAKE COUNTY WATER DISTRICT provide?
LOWER LAKE 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 CA1710010.
How does LOWER LAKE COUNTY WATER DISTRICT compare to other utilities in California?
LOWER LAKE COUNTY WATER DISTRICT scores 88/100 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.