How does Kingman's water compare to the national average?

The USA national average is 151 mg/L. Kingman (≈ 180+ mg/L) is 189 mg/L harder than average.

Kingman Water Hardness & Quality Report (2026)

Water Hardness

very hard

180+ mg/L

Very Hard

estimated · not lab-verified

Source

groundwater

pH Level

8.5

neutral = 7.0

Lead

0.006 mg/L

✓ Below action level

TDS

1004.9 mg/L

Est. Daily Cost

$0.91

energy & soap waste

Source: See methodology section below · Updated 2026

very hard180+ mg/LVery Hard · 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 Kingman, your appliances are currently losing 45% efficiency due to mineral buildup.

Appliance	In Kingman	Soft Water City	Efficiency Loss
Kettle	4.7 yrs	8.5 yrs	-45%
Washing Machine	6.6 yrs	12 yrs	-45%
Water Heater	8.3 yrs	15 yrs	-45%

Regional Water Comparison

How Kingman compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Kingman, Arizona	≈ 180+ mg/L	0 ppt	🔴 Very Hard	groundwater
New Kingman-Butler, Arizona	≈ 180+ mg/L	4.7 ppt	🔴 Very Hard	mixed
Bullhead City, Arizona	≈ 180+ mg/L	45.8 ppt	🔴 Very Hard	groundwater
Lake Havasu City, Arizona	329 mg/L	3 ppt	🔴 Very Hard	groundwater
Boulder City, Nevada	≈ 180+ mg/L	0 ppt	🔴 Very Hard	reservoir

National Benchmark

How Kingman compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Kingman	≈ 180+ mg/L	🔴 High
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Kingman's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 1004.9 mg/LpH: 8.5

Kingman Municipal Water, operated by the City of Kingman Public Works Department, serves approximately 45,710 residents in Mohave County, Arizona. The utility draws exclusively from groundwater wells in the Hualapai Valley and Detrital Valley aquifers, with no surface water intakes or reservoirs. Water is treated at the City of Kingman Water Treatment Plant at 310 North 4th Street through multiple production wells serving this desert community.

The supply draws from basin-fill aquifers composed of unconsolidated Quaternary sands, gravels, and silts overlying older Tertiary volcanics. Recharge originates from Paleozoic carbonate formations — including the Redwall Limestone and Kaibab Limestone — exposed in the plateaus of the adjacent Hualapai Plateau. These limestone and dolomite layers dissolve calcium and magnesium into the groundwater, producing a characteristically hard supply typical of arid regions with carbonate geology where limited rainfall prolongs mineral leaching.

Very hard water causes significant scale buildup in water heaters, dishwashers, washing machines, faucets, showerheads, and pipes, reducing flow and raising energy bills. Regular descaling with vinegar solutions, sediment filters, and annual water heater flushing are recommended. A water softener is strongly advised to prevent spotting on dishes, dry skin and hair, and costly plumbing repairs. The City publishes an annual Consumer Confidence Report detailing EPA compliance; treatment includes pumping from wells, chlorination, fluoridation, and basic filtration. pH is typically neutral to slightly alkaline due to geology.

Geology & Source: Basin and Range Province — Hualapai Valley and Detrital Valley alluvial aquifers; Paleozoic Redwall Limestone and Kaibab Limestone recharge with calcium and magnesium; characteristically hard supply

Other Arizona Water Reports

New Kingman-Butler

≈ 180+ mg/L

🔴 Very Hard

Bullhead City

≈ 180+ mg/L

🔴 Very Hard

Lake Havasu City

329 mg/L

🔴 Very Hard

Boulder City

≈ 180+ mg/L

🔴 Very Hard

Report an Issue

Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.

All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is Kingman's water safe to drink?

Yes. Kingman's water meets all federal safety standards. The hardness is ≈ 180+ mg/L (Very Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Kingman?

At ≈ 180+ mg/L (Very Hard), Kingman'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 45%.

How does Kingman compare to the USA average?

The USA national average is 151 mg/L. Kingman (≈ 180+ mg/L) is 189 mg/L above the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Kingman 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

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.