A93/100
HAMILTON BRANCH CSD — Water Quality Report 2026
Serving 1,874 people · California
Water Source
Groundwater
County
—
System ID
CA3210010
Violations
3
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, 2023 – June 24, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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 HAMILTON BRANCH CSD
Is HAMILTON BRANCH CSD water safe to drink?
HAMILTON BRANCH CSD water receives a grade of A (93/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has HAMILTON BRANCH CSD detected?
1 contaminants were tested in HAMILTON BRANCH CSD's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does HAMILTON BRANCH CSD have any EPA violations?
Yes, HAMILTON BRANCH CSD has 3 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, MCL. 1 are health-based violations.
How many people does HAMILTON BRANCH CSD serve?
HAMILTON BRANCH CSD serves approximately 1,874 people, California.
What type of water does HAMILTON BRANCH CSD provide?
HAMILTON BRANCH CSD sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA3210010.
How does HAMILTON BRANCH CSD compare to other utilities in California?
HAMILTON BRANCH CSD scores 93/100 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.