City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Hardwick, Massachusetts.
Median indexed hardness
85PPM
3 indexed ZIPs
Range 85.1–86.6 PPM
City summary
Hardwick has 3 published ZIP profiles across Worcester County. The indexed median is 85 PPM, compared with 49 PPM across Massachusetts.
Among the 302 Massachusettscities with an indexed median, Hardwick ranks #49from highest to lowest. Across all 328 state ZIP profiles, available estimates run from 24.3to 128 PPM.
The 85.1–86.6 PPM range shows how much the available ZIP estimates vary within the city label.
Hardness distribution
3 of 3 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 Nov 21, 2025.
ZIP directory
Open a ZIP for site-level provenance and measurements.
Public water systems
PWSID MA1124001
EPA SDWIS explicitly lists this ZIP in the system's served geography.
PWSID MA1124003
EPA SDWIS explicitly lists this ZIP in the system's served geography.
PWSID MA1124000
EPA SDWIS explicitly lists this ZIP in the system's served geography.
PWSID MA1124002
EPA SDWIS explicitly lists this ZIP in the system's served geography.
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 |
|---|---|---|---|
| Lead and Copper Rule | MA1124003 | Jun 1, 2018 | Unaddressed |
| Consumer Confidence Rule | MA1124001 | Jul 1, 2015 | Addressed |
| Consumer Confidence Rule | MA1124002 | Jul 1, 2015 | Addressed |
| Lead and Copper Rule | MA1124003 | Jun 1, 2015 | Addressed |
Practical next steps
Continue comparing
Questions people ask
The indexed city median is 85 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.