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Water Hardness in Carlsbad, TX

Texas · 1 zip codes · 4 matched water systems

428 PPM
25 GPG
Very Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 427 PPM

Dataset updated March 9, 20264 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
City Of San Angelo
TX2260001
Water source: surface water
Serves: 105,229
USGS environmental estimate: 271 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 4 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
2 verified treated-water sources
4 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 Carlsbad

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

4 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 Angelo
TX2260001
Very Hard
428 PPMsurface water105,229 servedVerified — Annual Water Quality Report
Source water: 271 PPM
Goodfellow Air Force Base
TX2260027
Very Hard
428 PPMsurface water5,241 servedVerified — Annual Water Quality Report
Source water: 271 PPM
Hhsc San Angelo State Supported Living C
TX2260002
Very Hard
271 PPMsurface water900 servedEstimated — Nearby Data
Tom Green County Fwsd 1 Carlsbad
TX2260003
Very Hard
462 PPMgroundwater690 servedEstimated — Nearby Data

Zip Codes in Carlsbad, TX

What This Means For You

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

Very Hard Water - Treatment Strongly Recommended

Your water is very hard. Without treatment, you can expect significant scale buildup in pipes and appliances, higher energy bills from reduced water heater efficiency, and persistent issues with skin and hair dryness.

Recommended Products

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | 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 Carlsbad, TX.

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Frequently Asked Questions

How hard is the water in Carlsbad, TX?

The citywide weighted average water hardness in Carlsbad, TX is 427 PPM (25 GPG), classified as very hard. This is based on 4 matched water systems. The gauge highlights City Of San Angelo, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Carlsbad, TX?

With a citywide average hardness of 427 PPM, a water softener is recommended for homes in Carlsbad. Confirm your tap reading before sizing equipment.

Is hard water in Carlsbad, 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 Carlsbad, TX?

Carlsbad, Texas is served by 4 matched water systems across 1 zip code.

Learn More About Your Water