Epcor - San Tan Anthem
EPA ID: AZ0411136 · 10,362 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Epcor - San Tan Anthem (AZ0411136): PFAS sampling above the current EPA limit (UCMR5). 6 total violations across five years at Epcor - San Tan Anthem - every finding closed, utility compliant today, 10,362 served.
Data: EPA SDWIS
Service Area Map
Coverage area for Epcor - San Tan Anthem Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Epcor - San Tan Anthem serves a community with a median household income of $76,832 and an estimated 38,809 residents across its service area.
Environmental Justice Note: 43% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Epcor - San Tan Anthem'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 Epcor - San Tan Anthem compares to EPA limits
What This Means For You
Lead at 1 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Revised Total Coliform Rule at 3 presence exceeds the EPA maximum of presence.
Lead and Copper Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report 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. 7 detections recorded. 1 exceeds federal EPA limits (4 ppt for PFOA/PFOS). 1 exceeds state limits.
Lead was detected in this water system. reverse osmosis 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
Epcor - San Tan Anthem (EPA ID: AZ0411136) is a community water system in Arizona that serves approximately 10,362 people from groundwater sources.
This system serves ZIP code 85132 in Florence.
Violation History
Status breakdown for accepted records with record years 2021-2026: 6 resolved, 0 archived, 0 addressed, and 0 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, 2024 | Revised Total Coliform Rule | Non-health-based | Resolved |
| April 1, 2024 | Revised Total Coliform Rule | Non-health-based | Resolved |
| January 1, 2023 | Lead | Non-health-based | Resolved |
| April 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| March 2, 2022 | Lead and Copper Rule | Non-health-based | Resolved |
| January 1, 2021 | Consumer Confidence Report Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 3 | No |
| Lead | Inorganic | 1 | No |
| Lead and Copper Rule | Treatment Failure | 1 | No |
| Consumer Confidence Report Rule | Reporting 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.
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.
- 85132 - Florence
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Epcor - San Tan Anthem (AZ0411136) on EPA.gov.
Frequently Asked Questions
Is Epcor - San Tan Anthem water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Epcor - San Tan Anthem; its 6 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Epcor - San Tan Anthem serve?
Epcor - San Tan Anthem serves approximately 10,362 people across 1 ZIP code in Arizona.
Where does Epcor - San Tan Anthem get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Above Current MCL
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). One or more PFAS compounds were measured above the current state-enforceable MCL.
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.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Epcor - San Tan Anthem (AZ): 6 EPA Violations. https://zipcheckup.com/water-system/az0411136/
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title = {{Epcor - San Tan Anthem (AZ): 6 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/az0411136/}
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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
Epcor - San Tan Anthem (EPA ID: AZ0411136) - request the latest Consumer Confidence Report or ask about specific contaminants.