Yuma Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 162,110 residents · Arizona
What's In Yuma's Tap Water?
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 240.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
38
Violations (last 5yr)
1
Unresolved
13
Health-Related
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Disinfection byproduct treatment technique failure
Maximum Residual Disinfectant Level Violation
Disinfection byproduct treatment technique failure
Maximum Residual Disinfectant Level Violation
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Disinfection byproduct treatment technique failure
Maximum Residual Disinfectant Level Violation
Disinfection byproduct treatment technique failure
Maximum Residual Disinfectant Level Violation
Disinfection byproduct treatment technique failure
Maximum Residual Disinfectant Level Violation
Disinfection byproduct treatment technique failure
Maximum Residual Disinfectant Level Violation
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Treatment Technique Violation
Disinfection byproduct treatment technique failure
Maximum Residual Disinfectant Level Violation
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Disinfection byproduct treatment technique failure
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Maximum Residual Disinfectant Level Violation
Maximum Residual Disinfectant Level Violation
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Disinfection byproduct treatment technique failure
Maximum Residual Disinfectant Level Violation
Disinfection byproduct treatment technique failure
Maximum Residual Disinfectant Level Violation
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Disinfection byproduct treatment technique failure
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Maximum Residual Disinfectant Level Violation
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Understanding violation severity
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
5,660
Groundwater
090400089
2,538
Groundwater
AZ0408035
6,202
Groundwater
AZ0407065
32,425
Surface Water
AZ0414004
103,264
Surface Water
AZ0414024
6,324
Surface Water
AZ0414082
4,197
Groundwater
AZ0414099
1,500
Groundwater
AZ0414403