Where does the water in 36748 come from?

Water for zip code 36748 in Linden, Alabama is provided by 3 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 36748

Q: Is the water hard in Linden, AL (36748)?

The average water hardness in 36748 is 32 PPM (1.9 GPG), which is classified as soft. No water treatment is typically needed.

Q: Do I need a water softener in 36748?

At 32 PPM, your water is relatively soft. A water softener is generally not necessary, though some homeowners prefer the feel of softened water.

Linden, Alabama · Marengo County

32 PPM

1.9 GPG

Soft

0Soft60120180300+

Estimated — Nearby Data

Dataset updated March 9, 2026Matched to 3 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 3 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

3 estimated sources

This ZIP reading needs local confirmation before equipment sizing or purchase decisions.

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 36748

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.

3 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
Demopolis Water Works And Sewer Board AL0000908	groundwater	34 PPM Soft	10,530	Estimated — Nearby Data
Linden, The Ub Of The City Of AL0000914	groundwater	1 PPM Soft	5,103	Estimated — Nearby Data
South Marengo Co Water & Fire Pro Auth AL0001439	surface water	62 PPM Slightly Hard	4,416	Estimated — Nearby Data

Demopolis Water Works And Sewer Board

AL0000908

Soft

34 PPMgroundwater10,530 servedEstimated — Nearby Data

Linden, The Ub Of The City Of

AL0000914

Soft

1 PPMgroundwater5,103 servedEstimated — Nearby Data

South Marengo Co Water & Fire Pro Auth

AL0001439

Slightly Hard

62 PPMsurface water4,416 servedEstimated — Nearby Data

Nearby Zip Codes

3675434 3678331 3676334 3673234 3673634 3674234 3678233 3673833 3691634 3672240 3672830 367861

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 Linden, AL (36748).

Submit Your Data

Frequently Asked Questions

Is the water hard in Linden, AL (36748)?

Our estimate for 36748 is 32 PPM (1.9 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 36748?

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

Is hard water in 36748 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 36748?

Zip code 36748 in Linden, Alabama is served by 3 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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