Northwestern W and Sd - Sr 108 Public Water System
EPA ID: OH3539214 · 267 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Northwestern W and Sd - Sr 108 Public Water System (OH3539214): no drinking-water violations recorded since 2021. From the earliest to the most recent cycle in the EPA data on file, Northwestern W and Sd - Sr 108 Public Water System has logged zero violations for the 267 people in its service area - a count of records, not a test result for any home.
Data: EPA SDWIS
Service Area Map
Coverage area for Northwestern W and Sd - Sr 108 Public Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Northwestern W and Sd - Sr 108 Public Water System have a median household income of $78,165 and about 14,388 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 79% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Northwestern W and Sd - Sr 108 Public Water System's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Infrastructure Risk
PFAS in ZIP Codes This System Serves
PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 3 detections recorded.
Comparable Water Systems
Similar-sized systems in Ohio
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
Northwestern W and Sd - Sr 108 Public Water System (EPA ID: OH3539214) is a community water system in Ohio that serves approximately 267 people from surface water sources.
This system serves ZIP code 43545 in Napoleon.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2025-12-31 |
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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 OH or modeled from parcel and building-footprint data.
- 43545 - Napoleon
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Northwestern W and Sd - Sr 108 Public Water System (OH3539214) on EPA.gov.
Frequently Asked Questions
Is Northwestern W and Sd - Sr 108 Public Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Northwestern W and Sd - Sr 108 Public Water System 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 Northwestern W and Sd - Sr 108 Public Water System serve?
Northwestern W and Sd - Sr 108 Public Water System serves approximately 267 people across 1 ZIP code in Ohio.
Where does Northwestern W and Sd - Sr 108 Public Water System get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Northwestern W and Sd - Sr 108 Public Water System, OH. https://zipcheckup.com/water-system/oh3539214/
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title = {{Northwestern W and Sd - Sr 108 Public Water System, OH}},
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