City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Lewisburg, Tennessee.
Median indexed hardness
103PPM
3 indexed ZIPs
Range 103–103 PPM
City summary
Lewisburg has 3 published ZIP profiles across Marshall County and Maury County. The indexed median is 103 PPM, compared with 50 PPM across Tennessee.
Among the 222 Tennesseecities with an indexed median, Lewisburg ranks #67from highest to lowest. Across all 323 state ZIP profiles, available estimates run from 4.5to 247 PPM.
The 103–103 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: Mar 7, 2022 to Feb 2, 2026.
ZIP directory
Open a ZIP for site-level provenance and measurements.
Public water systems
PWSID TN0000400
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.
No violation records are included in the current lookback window.
Practical next steps
Continue comparing
Questions people ask
The indexed city median is 103 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.