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Water Hardness in Hillsboro, TX

Texas · 1 zip codes · 6 matched water systems

141 PPM
8.3 GPG
Moderately Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 20266 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 6 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
5 USGS-backed sources
6 matched systems total for this city; USGS monitoring is used where treated-water reports are unavailable.
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 in Hillsboro

These systems are matched to Hillsboro, TX. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

6 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 Hillsboro
TX1090001
Moderately Hard
168 PPMsurface water8,867 servedHigh Confidence — USGS Monitoring
White Bluff
TX1090073
Soft
12 PPMgroundwater2,319 servedEstimated — County Avg
Brandon-Irene Wsc
TX1090018
Moderately Hard
168 PPMsurface water2,000 servedHigh Confidence — USGS Monitoring
City Of Carls Corner
TX1090070
Moderately Hard
168 PPMgroundwater126 servedHigh Confidence — USGS Monitoring
Tres Vidas Subdivision
TX1090069
Moderately Hard
168 PPMgroundwater90 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Hillsboro, TX

What This Means For You

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

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Hillsboro, TX.

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Frequently Asked Questions

How hard is the water in Hillsboro, TX?

The citywide weighted average water hardness in Hillsboro, TX is 141 PPM (8.3 GPG), classified as moderately hard. This is based on 6 matched water systems.

Do I need a water softener in Hillsboro, TX?

With a citywide average hardness of 141 PPM, a water softener is worth considering for homes in Hillsboro. Confirm your tap reading before sizing equipment.

Is hard water in Hillsboro, TX 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 Hillsboro, TX?

Hillsboro, Texas is served by 6 matched water systems across 1 zip code.

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