Skip to main content
WaterSafeCheck

Pima, AZ Tap Water Quality

Water safety reports for all 1 ZIP code in Pima, Arizona

Average Score

54/100

Health Violations

4

ZIP Codes

1

High Lead Risk

1

of 1 ZIP codes

D

About Tap Water in Pima, AZ

Tap water quality in Pima, AZ is a significant concern, currently receiving a below-average safety score of 54/100 across 1 ZIP code. With 4 health-based violations recorded in the past 5 years, systems like Graham County Utilities - Pima have struggled to maintain compliance with EPA regulations enforced by Arizona Department of Environmental Quality. Residents are strongly encouraged to utilize certified water filtration systems.

Over the past 5 years, Pima has recorded 4 health-based violations. While occasional violations can occur due to seasonal changes or temporary infrastructure issues, Graham County Utilities - Pima is legally required to resolve these quickly and notify the public via their annual Consumer Confidence Report. The city's water supply, primarily drawn from ground water, is treated to address these specific contaminants.

Additionally, lead exposure risk remains a critical issue for certain neighborhoods. EPA data indicates that 1 out of 1 ZIP codes in Pima are rated as High or Very High risk for lead. This risk is often driven by aging homes with pre-1986 plumbing containing lead solder or service lines. Families in these areas should test their tap water and consider NSF/ANSI 53 certified filters.

⚠ Lead Risk Alert: Some ZIP codes in Pima are rated High or Very High for lead exposure risk based on EPA data. Search your specific ZIP code for a detailed lead level report.

Health-Based Contaminant Violations in Pima

EPA records indicate that the following contaminants have exceeded Safe Drinking Water Act Maximum Contaminant Levels (MCLs) in Pima water systems over the past 5 years.

Contaminant 0700

Note: The presence of a past violation does not necessarily mean current water is unsafe. Utilities are required to take corrective action. Review your Consumer Confidence Report for the latest status.

Water Quality by ZIP Code — Pima, AZ

Click any ZIP code for the full water quality report

D
85543

Pima, AZ

Score: 54/1004 violations

Frequently Asked Questions — Pima Water Quality

Is tap water safe to drink in Pima, AZ?+
Tap water in Pima has a grade of D, indicating compliance concerns in recent years. Families with young children or pregnant women should consider using a certified NSF/ANSI 53 water filter for drinking and cooking.
What is the water quality score for Pima?+
The average water quality score across 1 ZIP code in Pima, AZ is 54/100. Scores are derived from EPA violation history, lead levels, enforcement actions, and infrastructure risk indicators. Individual ZIP codes may vary — search your specific ZIP above for a personalized report.
Does Pima have lead in its tap water?+
1 out of 1 ZIP codes in Pima are rated High or Very High for lead exposure risk. Older homes built before 1986 may have lead service lines or plumbing fixtures. Residents should run their tap for 30 seconds before use and consider a certified NSF/ANSI 53 lead filter.
How do I get the water quality report for Pima?+
Each ZIP code in Pima has a full water quality report on this site — click any ZIP code below. You can also get the annual Consumer Confidence Report (CCR) from your local water utility. The CCR is required to be published every year by July 1 and contains actual contaminant measurements and violation history.
Where does Pima's tap water come from?+
Tap water in Pima, AZ primarily comes from ground water. Groundwater systems pump water from underground aquifers, which is naturally filtered through soil and rock but can still contain naturally occurring contaminants.

Looking for water quality in other cities in Arizona?

View All Cities in Arizona →