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Water Hardness in 78363

Kingsville Naval, Texas · Kleberg County

78 PPM
4.6 GPG
Slightly Hard
0Soft60120180300+
Estimated — Nearby Data

Dataset updated March 9, 2026Matched to 5 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 5 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
5 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 78363

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.

5 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.
City Of Kingsville
TX1370001
Slightly Hard
88 PPMsurface water25,402 servedEstimated — County Avg
Ricardo Wsc
TX1370006
Soft
48 PPMsurface water3,396 servedEstimated — Nearby Data
Nueces Wsc
TX1780052
Soft
48 PPMsurface water3,165 servedEstimated — Nearby Data
Naval Air Station Kingsville
TX1370003
Soft
48 PPMsurface water1,550 servedEstimated — Nearby Data
South Texas Water Authority
TX1370035
Soft
48 PPMsurface water16 servedEstimated — Nearby Data

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.

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | How to Test Your 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 Kingsville Naval, TX (78363).

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Frequently Asked Questions

Is the water hard in Kingsville Naval, TX (78363)?

Our estimate for 78363 is 78 PPM (4.6 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 78363?

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

Is hard water in 78363 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 78363?

Zip code 78363 in Kingsville Naval, Texas is served by 5 water systems.

Learn More About Your Water