A81/100
ARBUCKLE PUBLIC UTILITY DISTRICT — Water Quality Report 2026
Serving 2,778 people · California
Water Source
Groundwater
County
—
System ID
CA0610001
Violations
7
Contaminant Test Results
EPA Violation History
4
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 3Unresolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2025 – June 30, 2025Rule: Total Coliform RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – January 31, 2024Rule: Total Coliform RuleEnforcement: Formal — state order issued
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 1, 2022 – February 28, 2022Rule: Total Coliform 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 ARBUCKLE PUBLIC UTILITY DISTRICT
Is ARBUCKLE PUBLIC UTILITY DISTRICT water safe to drink?
ARBUCKLE PUBLIC UTILITY DISTRICT water receives a grade of A (81/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has ARBUCKLE PUBLIC UTILITY DISTRICT detected?
1 contaminants were tested in ARBUCKLE PUBLIC UTILITY DISTRICT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does ARBUCKLE PUBLIC UTILITY DISTRICT have any EPA violations?
Yes, ARBUCKLE PUBLIC UTILITY DISTRICT has 7 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, MON, MCL. 3 are health-based violations.
How many people does ARBUCKLE PUBLIC UTILITY DISTRICT serve?
ARBUCKLE PUBLIC UTILITY DISTRICT serves approximately 2,778 people, California.
What type of water does ARBUCKLE PUBLIC UTILITY DISTRICT provide?
ARBUCKLE PUBLIC UTILITY DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA0610001.
How does ARBUCKLE PUBLIC UTILITY DISTRICT compare to other utilities in California?
ARBUCKLE PUBLIC UTILITY DISTRICT scores 81/100 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.