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Water Hardness in Summertown, TN

Tennessee · 1 zip codes · 4 matched water systems

194 PPM
11.4 GPG
Hard
0Soft60120180300+
Estimated — Nearby Data

Dataset updated March 9, 20264 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 4 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
4 estimated sources
This city reading needs local confirmation before equipment sizing or purchase decisions.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems in Summertown

These systems are matched to Summertown, TN. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

4 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Lawrenceburg Utility Systems
TN0000392
Hard
234 PPMsurface water21,244 servedEstimated — Nearby Data
Summertown Utility District
TN0000676
Soft
54 PPMgroundwater5,593 servedEstimated — Nearby Data
Fall River Rd Utility District
TN0000239
Hard
187 PPMsurface water3,851 servedEstimated — County Avg
The Farm Water System
TN0000678
Soft
54 PPMgroundwater210 servedEstimated — Nearby Data

Zip Codes in Summertown, TN

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Summertown, TN.

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Frequently Asked Questions

How hard is the water in Summertown, TN?

The citywide weighted average water hardness in Summertown, TN is 194 PPM (11.4 GPG), classified as hard. This is based on 4 matched water systems.

Do I need a water softener in Summertown, TN?

With a citywide average hardness of 194 PPM, a water softener is recommended for homes in Summertown. Confirm your tap reading before sizing equipment.

Is hard water in Summertown, TN safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve Summertown, TN?

Summertown, Tennessee is served by 4 matched water systems across 1 zip code.

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