Epcor - Anthem
EPA ID: AZ0407504 ยท 23,826 people served ยท 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Epcor - Anthem (AZ0407504): 1 unresolved EPA violation on record. With 1 unresolved EPA violation, Epcor - Anthem is currently out of full compliance - approximately 23,826 people in its service area.
Data: EPA SDWIS
Service Area Map
Coverage area for Epcor - Anthem Source: EPA SDWIS service area boundaries.
Service area boundary - Grade B
Service Area Demographics
The Epcor - Anthem serves a community with a median household income of $119,616 and an estimated 53,204 residents across its service area.
๐ Where Does Your Water Come From?
Epcor - Anthem's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Infrastructure Risk
Detected Contaminants
How Epcor - Anthem compares to EPA limits
What This Means For You
E. coli at 4 Zero tolerance (any positive sample triggers immediate action) exceeds the EPA maximum of Zero tolerance (any positive sample triggers immediate action). Severe GI illness; potentially fatal kidney failure in children. Consider UV disinfection (99.99%) filtration.
Fecal Coliform at 2 presence exceeds the EPA maximum of presence.
Stage 2 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 4 detections recorded.
E. coli was detected in this water system. UV disinfection (99.99%) filtration can reduce exposure.
Find a certified water filter โComparable 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
Epcor - Anthem (EPA ID: AZ0407504) is a community water system in Arizona that serves approximately 23,826 people from surface water sources.
This system provides water to 2 ZIP codes across 2 communities.
ZIP-Area Home Safety Context: B (71/100)
This is the average Home Safety Score for 1 of 2 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Status breakdown for accepted records with record years 2021-2026: 6 resolved, 0 archived, 0 addressed, and 1 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 |
|---|---|---|---|
| July 2, 2025 | Stage 2 DBP Rule | Non-health-based | Unaddressed (current) |
| March 1, 2024 | E. coli | Non-health-based | Resolved |
| March 1, 2024 | E. coli | Non-health-based | Resolved |
| March 1, 2024 | Fecal Coliform | Non-health-based | Resolved |
| October 1, 2023 | E. coli | Non-health-based | Resolved |
| August 1, 2023 | E. coli | Non-health-based | Resolved |
| September 1, 2022 | Fecal Coliform | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| E. coli | Microbiological | 4 | No |
| Fecal Coliform | Microbiological | 2 | 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 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.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20โ$50 (DIY kit) ยท Professional inspection: $150โ$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking โ 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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Epcor - Anthem (AZ0407504) on EPA.gov.
Frequently Asked Questions
Is Epcor - Anthem water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Epcor - Anthem serve?
Epcor - Anthem serves approximately 23,826 people across 2 ZIP codes in Arizona.
Where does Epcor - Anthem get its water?
The primary water source is surface water.
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) โ per-system federal sampling, 2023โ2025. EPA UCMR5 monitoring program โ
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Epcor - Anthem (AZ): 7 EPA Violations. https://zipcheckup.com/water-system/az0407504/
@misc{zipcheckup-water-system-az0407504,
author = {{ZipCheckup}},
title = {{Epcor - Anthem (AZ): 7 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/az0407504/}
}
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report โ
Contact your utility
Epcor - Anthem (EPA ID: AZ0407504) - request the latest Consumer Confidence Report or ask about specific contaminants.