Sigourney Muni Water Works
EPA ID: IA5475050 · 2,004 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Sigourney Muni Water Works (IA5475050): no EPA violations recorded in the last five years. EPA monitoring data for Sigourney Muni Water Works shows an unblemished five-year compliance history - no violations of any kind have been recorded for this utility, which supplies water to approximately 2,004 people, covering every reporting cycle without a single MCL exceedance or monitoring lapse.
Data: EPA SDWIS
Service Area Map
Coverage area for Sigourney Muni Water Works Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Sigourney Muni Water Works serves a community with a median household income of $56,151 and an estimated 3,281 residents across its service area. Approximately 82% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Sigourney Muni Water Works'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
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 2 detections recorded.
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
Sigourney Muni Water Works (EPA ID: IA5475050) is a community water system in Iowa that serves approximately 2,004 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0019 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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Sigourney Muni Water Works (IA5475050) on EPA.gov.
Frequently Asked Questions
Is Sigourney Muni Water Works water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Sigourney Muni Water Works 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 Sigourney Muni Water Works serve?
Sigourney Muni Water Works serves approximately 2,004 people across 2 ZIP codes in Iowa.
Where does Sigourney Muni Water Works get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Sigourney Muni Water Works Water Quality Report, IA. https://zipcheckup.com/water-system/ia5475050/
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title = {{Sigourney Muni Water Works Water Quality Report, IA}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ia5475050/}
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