A81/100
Arbuckle Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,778 residents · California
What's In Arbuckle's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
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
Water Utility Details
ARBUCKLE PUBLIC UTILITY DISTRICT
Population Served
2,778
Water Source
Groundwater
System ID
CA0610001
Frequently Asked Questions About Arbuckle Water
Is Arbuckle tap water safe to drink?
Arbuckle, California tap water receives a grade of A (81/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Arbuckle's water?
1 contaminants were tested in Arbuckle's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Arbuckle have any water quality violations?
Yes, Arbuckle has 7 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, MON, MCL. 3 of these are health-based violations, which are the most serious category.
Do I need a water filter in Arbuckle?
Arbuckle water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does Arbuckle's tap water come from?
Arbuckle's drinking water is sourced from groundwater and supplied by ARBUCKLE PUBLIC UTILITY DISTRICT. The system serves approximately 2,778 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Arbuckle's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Arbuckle's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Arbuckle's water compare to other cities in California?
Arbuckle's water quality score of 81/100 earns a grade of A, which is considered excellent. This places Arbuckle among the better-performing water systems in California. Visit our California state page to see how all cities in the state compare.
What should I do if I'm concerned about Arbuckle's water quality?
If you have concerns about Arbuckle's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (ARBUCKLE PUBLIC UTILITY DISTRICT) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.