F0/100
AVENAL, CITY OF — Water Quality Report 2026
Serving 13,696 people · California
Water Source
Surface Water
County
—
System ID
CA1610002
Violations
39
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 660.00 µg/L | — | Above Goal |
EPA Violation History
6
Violations (last 5yr)
6
Unresolved
5
Health-Related
TIER 2Unresolved
Treatment technique violation
TIER 3Unresolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
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 AVENAL, CITY OF
Is AVENAL, CITY OF water safe to drink?
AVENAL, CITY OF water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 39 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has AVENAL, CITY OF detected?
69 contaminants were tested in AVENAL, CITY OF's water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does AVENAL, CITY OF have any EPA violations?
Yes, AVENAL, CITY OF has 39 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, RPT, MCL. 34 are health-based violations.
How many people does AVENAL, CITY OF serve?
AVENAL, CITY OF serves approximately 13,696 people, California. The system provides water to 1 community: Avenal.
What type of water does AVENAL, CITY OF provide?
AVENAL, CITY OF sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA1610002.
How does AVENAL, CITY OF compare to other utilities in California?
AVENAL, CITY OF scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our California state page for a full comparison of water systems.