Clarion Water Supply
EPA ID: IA9909031 · 2,810 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Clarion Water Supply (IA9909031): no EPA violations recorded in the last five years. Zero violations in five consecutive years of EPA monitoring - Clarion Water Supply has held a clean track record across every reporting cycle in that span, with no enforcement activity of any kind on file for the full service population of 2,810 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Clarion Water Supply Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Clarion Water Supply serves a community with a median household income of $59,875 and an estimated 3,196 residents across its service area. Approximately 75% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 40% 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?
Clarion Water Supply'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
Comparable Water Systems
Similar-sized systems in Iowa
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
Clarion Water Supply (EPA ID: IA9909031) is a community water system in Iowa that serves approximately 2,810 people from groundwater sources.
This system serves ZIP code 50525 in Clarion.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.006 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 1 (High 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 $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 IA or modeled from parcel and building-footprint data.
- 50525 - Clarion
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Clarion Water Supply (IA9909031) on EPA.gov.
Frequently Asked Questions
Is Clarion Water Supply water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Clarion Water Supply in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Clarion Water Supply serve?
Clarion Water Supply serves approximately 2,810 people across 1 ZIP code in Iowa.
Where does Clarion Water Supply get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Clarion Water Supply Water Quality Report, IA. https://zipcheckup.com/water-system/ia9909031/
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title = {{Clarion Water Supply Water Quality Report, IA}},
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url = {https://zipcheckup.com/water-system/ia9909031/}
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