B74/100
BUTTONWILLOW CWD — Water Quality Report 2026
Serving 1,508 people · California
Water Source
Groundwater
County
—
System ID
CA1510011
Violations
10
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2012.
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 BUTTONWILLOW CWD
Is BUTTONWILLOW CWD water safe to drink?
BUTTONWILLOW CWD water receives a grade of B (74/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has BUTTONWILLOW CWD detected?
1 contaminants were tested in BUTTONWILLOW CWD's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does BUTTONWILLOW CWD have any EPA violations?
Yes, BUTTONWILLOW CWD has 10 EPA violation(s) on record, with the most recent in 2012. Violation types include MR, MCL. 4 are health-based violations.
How many people does BUTTONWILLOW CWD serve?
BUTTONWILLOW CWD serves approximately 1,508 people, California.
What type of water does BUTTONWILLOW CWD provide?
BUTTONWILLOW CWD sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA1510011.
How does BUTTONWILLOW CWD compare to other utilities in California?
BUTTONWILLOW CWD scores 74/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our California state page for a full comparison of water systems.