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Water Hardness in 89048

Las Vegas, Nevada · Nye County

274 PPM
16 GPG
Very Hard
0Soft60120180300+
Verified — Annual Water Quality Report

Dataset updated March 9, 2026Matched to 13 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 13 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
13 verified treated-water sources
13 matched systems total for this ZIP; 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 Serving 89048

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.

13 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.
Las Vegas Valley Water District
NV0000090
Very Hard
274 PPMsurface water1,539,277 servedVerified — Annual Water Quality Report
Source water: 302 PPM
Great Basin Water Company
NV0000270
Very Hard
274 PPMgroundwater11,322 servedVerified — Annual Water Quality Report
Source water: 277 PPM
Mountain Falls Water System Gbwc
NV0000920
Very Hard
274 PPMgroundwater4,198 servedVerified — Annual Water Quality Report
Source water: 277 PPM
Round Mountain Puc
NV0004074
Very Hard
274 PPMgroundwater1,200 servedVerified — Annual Water Quality Report
Source water: 104 PPM
Desert Utilities
NV0000300
Very Hard
274 PPMgroundwater1,086 servedVerified — Annual Water Quality Report
Source water: 310 PPM
Showing the first 5 systems. Expand to review all matched systems.

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.

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 Las Vegas, NV (89048).

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Frequently Asked Questions

Is the water hard in Las Vegas, NV (89048)?

The average water hardness in 89048 is 274 PPM (16 GPG), which is classified as very hard.

Do I need a water softener in 89048?

With hardness of 274 PPM, a water softener is recommended for homes in 89048.

Is hard water in 89048 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 89048?

Zip code 89048 in Las Vegas, Nevada is served by 13 water systems.

Learn More About Your Water