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Water Hardness in 37891

Whitesburg, Tennessee · Hamblen County

121 PPM
7.1 GPG
Moderately Hard
0Soft60120180300+
Estimated — Nearby Data

Dataset updated March 9, 2026Matched to 4 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 4 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis
4 estimated sources
This ZIP 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 Serving 37891

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

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.
Morristown Utilities Commission
TN0000474
Moderately Hard
155 PPMsurface water39,883 servedEstimated — Nearby Data
Russellville Whitesburg U.D.
TN0000598
Moderately Hard
155 PPMsurface water20,197 servedEstimated — Nearby Data
Alpha-Talbott Utility District
TN0000014
Soft
4 PPMsurface water19,075 servedEstimated — Nearby Data
Witt Utility District
TN0000650
Moderately Hard
155 PPMsurface water5,771 servedEstimated — County Avg

Nearby Zip Codes

What This Means For You

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

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Whitesburg, TN (37891).

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Frequently Asked Questions

Is the water hard in Whitesburg, TN (37891)?

Our estimate for 37891 is 121 PPM (7.1 GPG), but it is based on nearby, county, or state-level data rather than a direct treated tap-water report for this exact location. Confirm with your utility or a home test.

Do I need a water softener in 37891?

Do not size a softener from this estimate alone. Confirm the actual tap-water hardness before choosing treatment equipment.

Is hard water in 37891 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 37891?

Zip code 37891 in Whitesburg, Tennessee is served by 4 water systems.

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