Where does the water in 38036 come from?

Water for zip code 38036 in Gallaway, Tennessee is provided by 2 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 38036

Gallaway, Tennessee · Fayette County

10 PPM

0.6 GPG

Soft

0Soft60120180300+

High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 2 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 2 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

2 USGS-backed sources

2 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.

Water source profile

Primarily groundwater

Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 38036

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.

2 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.

Water System	Source	Hardness	Pop. Served	Data Source
Oakland Water Dept TN0000521	groundwater	10 PPM Soft	14,957	High Confidence — USGS Monitoring
Gallaway Water Dept TN0000254	groundwater	10 PPM Soft	1,158	High Confidence — USGS Monitoring

Oakland Water Dept

TN0000521

Soft

10 PPMgroundwater14,957 servedHigh Confidence — USGS Monitoring

Gallaway Water Dept

TN0000254

Soft

10 PPMgroundwater1,158 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

3800290 3804951 3800454 3802890 3806010 3801154 3813390 3813590 3805854 3801890 3806810 3806916

What This Means For You

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

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft water!

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 Gallaway, TN (38036).

Submit Your Data

Frequently Asked Questions

Is the water hard in Gallaway, TN (38036)?

The average water hardness in 38036 is 10 PPM (0.6 GPG), which is classified as soft.

Do I need a water softener in 38036?

At 10 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 38036 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 38036?

Zip code 38036 in Gallaway, Tennessee is served by 2 water systems.

Learn More About Your Water

Water Hardness Scale: PPM and GPG Chart

Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.

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How to Test Water Hardness at Home

Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.

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