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Water Hardness in West Lake Hills, TX

Texas · 1 zip codes · 22 matched water systems

120 PPM
7 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 121 PPM

Dataset updated March 9, 202622 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
City Of Austin Water & Wastewater
TX2270001
Water source: surface water
Serves: 1,115,323
USGS environmental estimate: 320 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 22 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
14 verified treated-water sources
22 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 West Lake Hills

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

22 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 Austin Water & Wastewater
TX2270001
Moderately Hard
120 PPMsurface water1,115,323 servedVerified — Annual Water Quality Report
Source water: 320 PPM
City Of Pflugerville
TX2270014
Moderately Hard
120 PPMsurface water63,464 servedVerified — Annual Water Quality Report
Source water: 320 PPM
Travis County Wcid 17
TX2270027
Moderately Hard
120 PPMsurface water45,165 servedVerified — Annual Water Quality Report
Source water: 334 PPM
Manville Wsc
TX2270033
Moderately Hard
120 PPMsurface water39,648 servedVerified — Annual Water Quality Report
Source water: 170 PPM
West Travis County Public Utility Agency
TX2270235
Moderately Hard
120 PPMsurface water28,215 servedVerified — Annual Water Quality Report
Source water: 334 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in West Lake Hills, 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 West Lake Hills, TX.

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Frequently Asked Questions

How hard is the water in West Lake Hills, TX?

The citywide weighted average water hardness in West Lake Hills, TX is 121 PPM (7.1 GPG), classified as moderately hard. This is based on 22 matched water systems. The gauge highlights City Of Austin Water & Wastewater, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in West Lake Hills, TX?

With a citywide average hardness of 121 PPM, a water softener is worth considering for homes in West Lake Hills. Confirm your tap reading before sizing equipment.

Is hard water in West Lake Hills, 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 West Lake Hills, TX?

West Lake Hills, Texas is served by 22 matched water systems across 1 zip code.

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