Tiffin Water Supply
EPA ID: IA5288021 · 7,577 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Tiffin Water Supply (IA5288021): no EPA violations recorded in the last five years. Tiffin Water Supply carries zero EPA violations in five years - a spotless record for a utility serving 7,577 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Tiffin Water Supply Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Tiffin Water Supply serves a community with a median household income of $105,517 and an estimated 30,084 residents across its service area.
💧 Where Does Your Water Come From?
Tiffin 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
Tiffin Water Supply (EPA ID: IA5288021) is a community water system in Iowa that serves approximately 7,577 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 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 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 Tiffin Water Supply (IA5288021) on EPA.gov.
Frequently Asked Questions
Is Tiffin Water Supply water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Tiffin 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 Tiffin Water Supply serve?
Tiffin Water Supply serves approximately 7,577 people across 3 ZIP codes in Iowa.
Where does Tiffin Water Supply get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Tiffin Water Supply Water Quality Report, IA. https://zipcheckup.com/water-system/ia5288021/
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title = {{Tiffin Water Supply Water Quality Report, IA}},
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url = {https://zipcheckup.com/water-system/ia5288021/}
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