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City water profile

Lebanon water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Lebanon, Tennessee.

Median indexed hardness

137PPM

2 indexed ZIPs

Range 133–140 PPM

State comparison
87 PPM above
State hardness rank
#43 of 222
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Lebanon has 2 published ZIP profiles across Wilson County. The indexed median is 137 PPM, compared with 50 PPM across Tennessee.

Among the 222 Tennesseecities with an indexed median, Lebanon ranks #43from highest to lowest. Across all 323 state ZIP profiles, available estimates run from 4.5to 247 PPM.

The 133–140 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard2 ZIPs
Very hard0 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
13.6 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Mar 31, 2022 to Apr 6, 2026.

ZIP directory

Water reports in Lebanon

Open a ZIP for site-level provenance and measurements.

ZIP code

37087

Hard

140 PPM

Nearest site
13.6 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

37090

Hard

133 PPM

Nearest site
8.8 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Lebanon Water System

PWSID TN0000393

Surface water
System population served
60,669
Last reported
May 14, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Gladeville Utility District

PWSID TN0000264

Groundwater influenced by surface water
System population served
19,813
Last reported
May 14, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Compliance history

What EPA records show

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.

RecordSystemPeriodStatus
Public NoticeTN0000264Feb 1, 2018Unaddressed

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Lebanon

Is the water hard?

The indexed city median is 137 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.