City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Burlington, Vermont.
Median indexed hardness
12PPM
2 indexed ZIPs
Range 12.3–12.3 PPM
City summary
Burlington has 2 published ZIP profiles across Chittenden County. The indexed median is 12 PPM, compared with 98 PPM across Vermont.
Among the 87 Vermontcities with an indexed median, Burlington ranks #82from highest to lowest. Across all 93 state ZIP profiles, available estimates run from 10.5to 176 PPM.
The 12.3–12.3 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 5, 2016 to May 31, 2023.
ZIP directory
Open a ZIP for site-level provenance and measurements.
Public water systems
PWSID VT0005053
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID VT0021071
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 | VT0021071 | Jul 1, 2025 | Resolved |
| Consumer Confidence Rule | VT0021071 | Jul 1, 2024 | Resolved |
Practical next steps
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Questions people ask
The indexed city median is 12 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.