City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Mount Pleasant, Michigan.
Median indexed hardness
410PPM
2 indexed ZIPs
Range 410–410 PPM
City summary
Mount Pleasant has 2 published ZIP profiles across Isabella County. The indexed median is 410 PPM, compared with 283 PPM across Michigan.
Among the 374 Michigancities with an indexed median, Mount Pleasant ranks #4from highest to lowest. Across all 512 state ZIP profiles, available estimates run from 41.3to 459.5 PPM.
The 410–410 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: Jun 28, 2016 to Oct 11, 2023.
ZIP directory
Open a ZIP for site-level provenance and measurements.
Public water systems
PWSID MI0004530
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 |
|---|---|---|---|
| TTHM | MI0004530 | Oct 1, 2023 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MI0004530 | Sep 1, 2022 | Resolved · health-based |
Practical next steps
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Questions people ask
The indexed city median is 410 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.