Where does the water in 39429 come from?

Water for zip code 39429 in Columbia, Mississippi is provided by 7 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 39429

Q: Is the water hard in Columbia, MS (39429)?

The average water hardness in 39429 is 13 PPM (0.8 GPG), which is classified as soft. No water treatment is typically needed.

Q: Do I need a water softener in 39429?

At 13 PPM, your water is relatively soft. A water softener is generally not necessary, though some homeowners prefer the feel of softened water.

Columbia, Mississippi · Marion County

13 PPM

0.8 GPG

Soft

0Soft60120180300+

Estimated — Nearby Data

Dataset updated March 9, 2026Matched to 7 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 7 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

7 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 39429

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.

7 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
City Of Columbia MS0460003	groundwater	13 PPM Soft	5,900	Estimated — Nearby Data
Hub Water Association MS0460008	groundwater	13 PPM Soft	3,260	Estimated — Nearby Data
Bunker Hill Water Association MS0460001	groundwater	13 PPM Soft	2,700	Estimated — Nearby Data
Mt Gilead-Improve Water Assn MS0460012	groundwater	13 PPM Soft	2,416	Estimated — Nearby Data
Lampton Water Association MS0460009	groundwater	13 PPM Soft	1,983	Estimated — Nearby Data

City Of Columbia

MS0460003

Soft

13 PPMgroundwater5,900 servedEstimated — Nearby Data

Hub Water Association

MS0460008

Soft

13 PPMgroundwater3,260 servedEstimated — Nearby Data

Bunker Hill Water Association

MS0460001

Soft

13 PPMgroundwater2,700 servedEstimated — Nearby Data

Mt Gilead-Improve Water Assn

MS0460012

Soft

13 PPMgroundwater2,416 servedEstimated — Nearby Data

Lampton Water Association

MS0460009

Soft

13 PPMgroundwater1,983 servedEstimated — Nearby Data

Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

3948313 396438 3947813 3948229 3965630 394275 394215 396678 3947526 3940230 704268 396418

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 Columbia, MS (39429).

Submit Your Data

Frequently Asked Questions

Is the water hard in Columbia, MS (39429)?

Our estimate for 39429 is 13 PPM (0.8 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 39429?

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

Is hard water in 39429 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 39429?

Zip code 39429 in Columbia, Mississippi is served by 7 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.

10 min read

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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