F0/100
Somerton Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 15,292 residents · Arizona
What's In Somerton's Tap Water?
66
Contaminants Tested
0
Exceed EPA Limits
3
Above EPA Goals
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
strontium | 2100.00 µg/L | — | Above Goal |
chlorate | 280.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
5
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2024 – August 20, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: March 1, 2023 – July 5, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 1, 2023 – July 5, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
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.
When: January 1, 2023 – March 31, 2023Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
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.
When: April 1, 2022 – June 30, 2022Rule: Stage 1 DBPREnforcement: 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
Cocopah Bend RV & Golf Resort
Population Served
1,095
Water Source
Groundwater
System ID
090400676
SOMERTON CITY OF
Population Served
14,197
Water Source
Groundwater
System ID
AZ0414015
Frequently Asked Questions About Somerton Water
Is Somerton tap water safe to drink?
Somerton, Arizona tap water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 302 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Somerton's water?
Of the 66 contaminants tested in Somerton's water supply, the most notable include Lead (90th percentile), strontium, chlorate. No contaminants exceed EPA legal limits. 3 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Somerton have any water quality violations?
Yes, Somerton has 302 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, RPT, MON. 13 of these are health-based violations, which are the most serious category.
Do I need a water filter in Somerton?
Somerton 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. 3 contaminant(s) exceed these stricter goals.
Where does Somerton's tap water come from?
Somerton's drinking water is sourced from groundwater and supplied by Cocopah Bend RV & Golf Resort and 1 other water system(s). The system serves approximately 15,292 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Somerton'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. Somerton'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 Somerton's water compare to other cities in Arizona?
Somerton's water quality score of 0/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Arizona state page to see how all cities in the state compare.
What should I do if I'm concerned about Somerton's water quality?
If you have concerns about Somerton'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 (Cocopah Bend RV & Golf Resort) 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.