City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Sanford, Maine.
Median indexed hardness
48PPM
2 indexed ZIPs
Range 47.2–48.5 PPM
City summary
Sanford has 2 published ZIP profiles across York County. The indexed median is 48 PPM, compared with 39 PPM across Maine.
Among the 110 Mainecities with an indexed median, Sanford ranks #50from highest to lowest. Across all 131 state ZIP profiles, available estimates run from 3.2to 94.5 PPM.
The 47.2–48.5 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: Jan 13, 2016 to Sep 25, 2023.
ZIP directory
Open a ZIP for site-level provenance and measurements.
Public water systems
PWSID ME0091410
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID ME0002809
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID ME0002782
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID ME0092288
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 |
|---|---|---|---|
| Consumer Confidence Rule | ME0002782 | Oct 1, 2025 | Resolved |
| Consumer Confidence Rule | ME0092288 | Oct 1, 2025 | Resolved |
| Revised Total Coliform Rule | ME0002782 | May 1, 2022 | Resolved |
| Revised Total Coliform Rule | ME0092288 | Apr 1, 2022 | Resolved |
| Lead and Copper Rule | ME0002809 | Oct 1, 2019 | Unaddressed |
Practical next steps
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Questions people ask
The indexed city median is 48 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.