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City water profile

Halls water quality

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

Median indexed hardness

117PPM

2 indexed ZIPs

Range 43.4–191 PPM

State comparison
67 PPM above
State hardness rank
#60 of 222
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Halls has 2 published ZIP profiles across Knox County and Lauderdale County. The indexed median is 117 PPM, compared with 50 PPM across Tennessee.

Among the 222 Tennesseecities with an indexed median, Halls ranks #60from highest to lowest. Across all 323 state ZIP profiles, available estimates run from 4.5to 247 PPM.

The 43.4–191 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft1 ZIP
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard1 ZIP

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
10.2 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Feb 29, 2016 to Jun 4, 2026.

ZIP directory

Water reports in Halls

Open a ZIP for site-level provenance and measurements.

ZIP code

37938

Very Hard

191 PPM

Nearest site
10.2 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

38040

Soft

43.4 PPM

Nearest site
9.6 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Halls Water System

PWSID TN0000279

Groundwater
System population served
5,287
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.

No violation records are included in the current lookback window.

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 Halls

Is the water hard?

The indexed city median is 117 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.