A88/100
AVERYDALE MWC — Water Quality Report 2026
Serving 1,023 people · California
Water Source
Groundwater
County
—
System ID
CA1910023
Violations
4
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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 AVERYDALE MWC
Is AVERYDALE MWC water safe to drink?
AVERYDALE MWC water receives a grade of A (88/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has AVERYDALE MWC detected?
31 contaminants were tested in AVERYDALE MWC's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does AVERYDALE MWC have any EPA violations?
Yes, AVERYDALE MWC has 4 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MCL. 2 are health-based violations.
How many people does AVERYDALE MWC serve?
AVERYDALE MWC serves approximately 1,023 people, California.
What type of water does AVERYDALE MWC provide?
AVERYDALE MWC sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA1910023.
How does AVERYDALE MWC compare to other utilities in California?
AVERYDALE MWC scores 88/100 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.