Pima Utilities
EPA ID: AZ0407120 · 20,000 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Pima Utilities (AZ0407120): 3 unresolved EPA violations on record. Looking at the EPA enforcement file for Pima Utilities, 3 violations are listed as unresolved - those findings cover the utility's service area of approximately 20,000 people and remain open in the federal compliance system, awaiting formal corrective action documentation.
Data: EPA SDWIS
Service Area Map
Coverage area for Pima Utilities Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Pima Utilities serves a community with a median household income of $94,220 and an estimated 37,461 residents across its service area.
💧 Where Does Your Water Come From?
Pima Utilities's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Detected Contaminants
How Pima Utilities compares to EPA limits
What This Means For You
Atrazine at 4 mg/L exceeds the EPA maximum of 0.003 mg/L. Endocrine disruption, cardiovascular & reproductive effects. Consider granular activated carbon (GAC) filtration.
Contaminant 2035 at 4 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 2 presence exceeds the EPA maximum of presence.
Total Coliform at 1 presence exceeds the EPA maximum of presence.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 4 detections recorded.
Atrazine was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
Similar-sized systems in Arizona
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Pima Utilities (EPA ID: AZ0407120) is a community water system in Arizona that serves approximately 20,000 people from groundwater sources.
This system serves ZIP code 85248 in Chandler.
Violation History
Status breakdown for accepted records with record years 2021-2026: 11 resolved, 3 archived, 0 addressed, and 3 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| October 1, 2025 | Stage 1 DBP Rule | Non-health-based | Unaddressed (current) |
| July 2, 2025 | Stage 2 DBP Rule | Non-health-based | Unaddressed (current) |
| September 1, 2024 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| August 22, 2024 | Total Coliform | Non-health-based | Unaddressed (current) |
| August 1, 2024 | Consumer Confidence Report Rule | Health-based | Resolved |
| August 1, 2024 | Revised Total Coliform Rule | Non-health-based | Resolved |
| June 1, 2024 | Consumer Confidence Report Rule | Health-based | Resolved |
| June 1, 2024 | Revised Total Coliform Rule | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2035 | Non-health-based | Resolved |
| January 1, 2024 | Atrazine | Non-health-based | Resolved |
| January 1, 2023 | Contaminant 2035 | Non-health-based | Resolved |
| January 1, 2023 | Atrazine | Non-health-based | Resolved |
| January 1, 2023 | Fluoride | Non-health-based | Resolved |
| July 1, 2021 | Atrazine | Non-health-based | Resolved |
| July 1, 2021 | Contaminant 2035 | Non-health-based | Archived |
| April 1, 2021 | Atrazine | Non-health-based | Archived |
| April 1, 2021 | Contaminant 2035 | Non-health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Contaminant 2035 | Other Violation | 4 | No |
| Atrazine | Organic | 4 | No |
| Consumer Confidence Report Rule | Reporting Failure | 3 | Yes |
| Revised Total Coliform Rule | Microbiological | 2 | No |
| Fluoride | Inorganic | 1 | No |
| Total Coliform | Microbiological | 1 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
| Stage 2 DBP Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.01 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by AZ or modeled from parcel and building-footprint data.
- 85248 - Chandler
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Pima Utilities (AZ0407120) on EPA.gov.
Frequently Asked Questions
Is Pima Utilities water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 3 current noncompliance records and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Pima Utilities serve?
Pima Utilities serves approximately 20,000 people across 1 ZIP code in Arizona.
Where does Pima Utilities get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
- #19 / 50 Highest Exposure Burden (Arizona)
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Pima Utilities (AZ): 2 Health Violations. https://zipcheckup.com/water-system/az0407120/
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title = {{Pima Utilities (AZ): 2 Health Violations}},
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url = {https://zipcheckup.com/water-system/az0407120/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Pima Utilities (EPA ID: AZ0407120) - request the latest Consumer Confidence Report or ask about specific contaminants.