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F0/100

Fort McDowell Community — Water Quality Report 2026

Serving 7,260 people · Arizona

Water Source
Groundwater
County
—
System ID
090400088
Violations
77

Contaminant Test Results

2 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
2.25 mg/L1.30 mg/LOver Limit
Lead (90th percentile)
0.004 mg/L0.015 mg/LAbove Goal

EPA Violation History

8

Violations (last 5yr)

2

Unresolved

3

Health-Related

TIER 3Unresolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2025 – September 30, 2025Verify on EPA.gov
TIER 3Unresolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2025 – September 30, 2025Verify on EPA.gov
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2025 – March 31, 2025Enforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2024 – December 31, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: October 1, 2024 – January 28, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: October 1, 2022 – February 21, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2022 – September 30, 2022Enforcement: 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: January 1, 2022 – February 23, 2022Rule: Total Coliform RuleEnforcement: 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

Frequently Asked Questions About Fort McDowell Community

Is Fort McDowell Community water safe to drink?

Fort McDowell Community water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 77 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has Fort McDowell Community detected?

32 contaminants were tested in Fort McDowell Community's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).

Does Fort McDowell Community have any EPA violations?

Yes, Fort McDowell Community has 77 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, MCL, Other. 12 are health-based violations.

How many people does Fort McDowell Community serve?

Fort McDowell Community serves approximately 7,260 people, Arizona.

What type of water does Fort McDowell Community provide?

Fort McDowell Community sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is 090400088.

How does Fort McDowell Community compare to other utilities in Arizona?

Fort McDowell Community scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Arizona state page for a full comparison of water systems.