Circle City - City of Surprise
EPA ID: AZ0407112 · 815 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Circle City - City of Surprise (AZ0407112): 3 EPA violations in the last five years. Past issues aside, Circle City - City of Surprise cleared all 3 violations and is compliant today, supplying 815 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Circle City - City of Surprise Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Circle City - City of Surprise serves a community with a median household income of $65,026 and an estimated 9,746 residents across its service area.
💧 Where Does Your Water Come From?
Circle City - City of Surprise'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 Circle City - City of Surprise compares to EPA limits
What This Means For You
Consumer Confidence Report Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
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
Circle City - City of Surprise (EPA ID: AZ0407112) is a community water system in Arizona that serves approximately 815 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 3 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, 2023 | Stage 1 DBP Rule | Non-health-based | Resolved |
| June 1, 2022 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| April 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 |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting Failure | 2 | No |
| Stage 1 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.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Circle City - City of Surprise (AZ0407112) on EPA.gov.
Frequently Asked Questions
Is Circle City - City of Surprise water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Circle City - City of Surprise; its 3 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Circle City - City of Surprise serve?
Circle City - City of Surprise serves approximately 815 people across 2 ZIP codes in Arizona.
Where does Circle City - City of Surprise get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Circle City - City of Surprise (AZ): 3 EPA Violations. https://zipcheckup.com/water-system/az0407112/
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title = {{Circle City - City of Surprise (AZ): 3 EPA Violations}},
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url = {https://zipcheckup.com/water-system/az0407112/}
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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
Circle City - City of Surprise (EPA ID: AZ0407112) - request the latest Consumer Confidence Report or ask about specific contaminants.