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Water Hardness in Buda, TX

Texas · 1 zip codes · 15 matched water systems

150 PPM
8.8 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 156 PPM

Dataset updated March 9, 202615 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
City Of San Marcos
TX1050001
Water source: surface water
Serves: 72,970
USGS environmental estimate: 208 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 15 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
9 verified treated-water sources
15 matched systems total for this city; treated-water reports are prioritized when available.
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 Buda

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

15 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 San Marcos
TX1050001
Moderately Hard
150 PPMsurface water72,970 servedVerified — Annual Water Quality Report
Source water: 208 PPM
City Of Kyle
TX1050002
Moderately Hard
150 PPMsurface water52,000 servedVerified — Annual Water Quality Report
Source water: 262 PPM
Texas State University - San Marcos
TX1050003
Moderately Hard
150 PPMgroundwater43,552 servedVerified — Annual Water Quality Report
Source water: 320 PPM
Goforth Sud
TX1050019
Moderately Hard
150 PPMsurface water34,893 servedVerified — Annual Water Quality Report
Source water: 262 PPM
County Line Sud
TX1050038
Moderately Hard
150 PPMsurface water19,609 servedVerified — Annual Water Quality Report
Source water: 262 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Buda, 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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Frequently Asked Questions

How hard is the water in Buda, TX?

The citywide weighted average water hardness in Buda, TX is 156 PPM (9.1 GPG), classified as moderately hard. This is based on 15 matched water systems. The gauge highlights City Of San Marcos, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Buda, TX?

With a citywide average hardness of 156 PPM, a water softener is worth considering for homes in Buda. Confirm your tap reading before sizing equipment.

Is hard water in Buda, 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 Buda, TX?

Buda, Texas is served by 15 matched water systems across 1 zip code.

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