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Pahrump Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

groundwater

pH Level

7.6

neutral = 7.0

Lead

0.006 mg/L

✓ Below action level

TDS

398 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · est.

0–60

mg/L

Soft

61–120

mg/L

Moderately Hard

121–180

mg/L

Hard

180+

mg/L

Very Hard

Appliance Damage Report

In Pahrump, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn PahrumpSoft Water CityEfficiency Loss
Kettle
6.8 yrs
8.5 yrs-20%
Washing Machine
9.6 yrs
12 yrs-20%
Water Heater
12 yrs
15 yrs-20%

Regional Water Comparison

How Pahrump compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Pahrump, Nevada≈ 120–179 mg/L0 ppt🟠 Hardgroundwater
Summerlin South, Nevada≈ 180+ mg/L4.4 ppt🔴 Very Hardgroundwater
Spring Valley, Nevada≈ 180+ mg/L4.1 ppt🔴 Very Hardreservoir
Enterprise, Nevada≈ 180+ mg/L2.5 ppt🔴 Very Hardreservoir
Paradise, Nevada≈ 120–179 mg/L3.6 ppt🟠 Hardreservoir

National Benchmark

How Pahrump compares to the USA average

BenchmarkHardnessAppliance Risk
Pahrump≈ 120–179 mg/L🟠 Moderate
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟢 None

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What Makes Pahrump's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 398 mg/LpH: 7.6

Pahrump, Nevada is served by multiple small groundwater utilities including Calvada Meadows Public Water System (operated by GBWC Pahrump), Pahrump Utility Company Inc., and Desert Utilities, primarily in Nye County (ZIP 89048). These systems draw from wells in the Pahrump Water Basin, with no surface water sources or major treatment plants noted. Calvada Meadows utilizes one well north of Bell Vista Road, while others tap similar local groundwater sources. Service covers residential areas in this unincorporated community of approximately 40,000 residents.

The Pahrump Water Basin spans the desert valley in the Basin and Range Province, fed by limited precipitation and underflow from surrounding mountains. Underlying rock formations include permeable Quaternary alluvium, Tertiary volcanics, and deeper Paleozoic limestones, forming a confined aquifer prone to mineral enrichment. Natural dissolution of carbonates imparts a hard character to the water, with the arid climate limiting recharge and exacerbating mineral concentration over time.

Hard water in Pahrump leads to scale buildup in pipes, water heaters, dishwashers, and washing machines, reducing efficiency and lifespan while increasing energy costs. Dry skin, soap scum, and spotting on fixtures are common. Regular descaling with vinegar, installing drain screens, and choosing scale-resistant appliances help mitigate these issues. A water softener is recommended to prevent these effects and extend plumbing life. 2022 monitoring by Calvada Meadows showed full compliance with no violations, though arsenic and uranium have been detected above health guidelines in some reports.

Geology & Source: Pahrump Water Basin — Quaternary alluvium and Tertiary volcanics over Paleozoic limestone and dolomite; Basin and Range Province carbonate dissolution imparts hard character; arid climate concentrates minerals in aquifer

Other Nevada Water Reports

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Frequently Asked Questions

Is Pahrump's water safe to drink?
Yes. Pahrump's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Pahrump?
At ≈ 120–179 mg/L (Hard), Pahrump's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 20%.
How does Pahrump compare to the USA average?
The USA national average is 151 mg/L. Pahrump (≈ 120–179 mg/L) is 1 mg/L below the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Pahrump is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

Water Hardness

Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.

Estimated

pH

Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.

Estimated

TDS — Total Dissolved Solids

Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.

Measured

PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.

Modelled

Lead

Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.

Calculated

Appliance Lifespan

Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.