City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Doylestown, Wisconsin.
Median indexed hardness
359PPM
2 indexed ZIPs
Range 347–370 PPM
City summary
Doylestown has 2 published ZIP profiles across Columbia County. The indexed median is 359 PPM, compared with 288 PPM across Wisconsin.
Among the 479 Wisconsincities with an indexed median, Doylestown ranks #89from highest to lowest. Across all 556 state ZIP profiles, available estimates run from 41.3to 467 PPM.
The 347–370 PPM range shows how much the available ZIP estimates vary within the city label.
Hardness distribution
2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.
Evidence quality
Confidence labels
Observation window: Aug 3, 2016 to Sep 9, 2024.
ZIP directory
Open a ZIP for site-level provenance and measurements.
Public water systems
PWSID WI1110112
The system names this served city; Census place overlap links the city to this ZCTA.
Compliance history
No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.
| Record | System | Period | Status |
|---|---|---|---|
| Di(2-ethylhexyl) phthalate | WI1110112 | Apr 1, 2025 | Resolved |
| Public Notice | WI1110112 | Apr 1, 2025 | Unaddressed |
| Di(2-ethylhexyl) phthalate | WI1110112 | Jan 1, 2025 | Resolved |
| Lead and Copper Rule | WI1110112 | Jan 1, 2022 | Resolved |
Practical next steps
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Questions people ask
The indexed city median is 359 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.
Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.
Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.