A80/100
CITY OF SUSANVILLE — Water Quality Report 2026
Serving 7,811 people · California
Water Source
Groundwater
County
—
System ID
CA1810001
Violations
4
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2003.
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 CITY OF SUSANVILLE
Is CITY OF SUSANVILLE water safe to drink?
CITY OF SUSANVILLE water receives a grade of A (80/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CITY OF SUSANVILLE detected?
31 contaminants were tested in CITY OF SUSANVILLE's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF SUSANVILLE have any EPA violations?
Yes, CITY OF SUSANVILLE has 4 EPA violation(s) on record, with the most recent in 2003. Violation types include MCL. 4 are health-based violations.
How many people does CITY OF SUSANVILLE serve?
CITY OF SUSANVILLE serves approximately 7,811 people, California. The system provides water to 1 community: Susanville.
What type of water does CITY OF SUSANVILLE provide?
CITY OF SUSANVILLE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA1810001.
How does CITY OF SUSANVILLE compare to other utilities in California?
CITY OF SUSANVILLE scores 80/100 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.