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

The USA national average is 151 mg/L. Warrensburg (238 mg/L) is 87 mg/L harder than average.

Warrensburg Water Hardness & Quality Report (2026)

Water Hardness

238mg/L

Very Hard

13.9 grains per gallon

Source

groundwater

pH Level

8.5

neutral = 7.0

Lead

0.007 mg/L

✓ Below action level

TDS

559.2 mg/L

Est. Daily Cost

$0.63

energy & soap waste

Source: See methodology section below · Updated 2026

238mg/L as CaCO₃Very Hard

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 Warrensburg, your appliances are currently losing 32% efficiency due to mineral buildup.

Appliance	In Warrensburg	Soft Water City	Efficiency Loss
Kettle	1.7 yrs	8.5 yrs	-80%
Washing Machine	4.8 yrs	12 yrs	-60%
Water Heater	6.1 yrs	15 yrs	-59%

Regional Water Comparison

How Warrensburg compares to its nearest neighbours

City	Hardness	Risk	Source
▶ Warrensburg, Missouri	238 mg/L	🔴 Very Hard	groundwater
Sedalia, Missouri	≈ 180+ mg/L	🔴 Very Hard	groundwater
Grain Valley, Missouri	≈ 120–179 mg/L	🟠 Hard	groundwater
Blue Springs, Missouri	≈ 120–179 mg/L	🟠 Hard	river
Marshall, Missouri	≈ 120–179 mg/L	🟠 Hard	groundwater

National Benchmark

How Warrensburg compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Warrensburg	238 mg/L	🔴 High
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Warrensburg's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 559.2 mg/LpH: 8.5

Missouri American Warrensburg (MO AMERICAN WARRENSBURG) provides municipal water to approximately 20,473 residents across Warrensburg in Johnson County, Missouri. The utility sources its supply exclusively from groundwater aquifers, treated at facilities employing disinfection methods including chlorine and ozone. Public Water Supply District #1 (PWSD #1) also serves parts of the area from a site at 4 NW OO Highway. Annual Consumer Confidence Reports are available at amwater.com/ccr/warrensburg.pdf and pwsd1jc.com.

The groundwater taps into the karst-influenced hydrology of the Osage Plains physiographic province, where Pennsylvanian-age sedimentary rocks dominate. Formations including the Pleasanton Group and Kansas City Group limestones and shales form the primary aquifers, with recharge from surficial glacial till and loess deposits. The Cherokee Group shales and limestones and the Warrensburg Sandstone contribute dissolved calcium and magnesium ions, yielding a hard supply at 238 mg/L due to prolonged contact with carbonate minerals without significant softening from siliceous or granitic influences.

Very hard water in Warrensburg causes significant scale buildup in water heaters, dishwashers, and coffee makers, reducing efficiency and lifespan — expect 20–50% higher energy use and frequent deliming. Laundry feels stiff, soap lathering is poor, and plumbing fixtures develop stubborn deposits. Annual vinegar flushes and magnetic descalers offer interim relief, but a commercial water softener is strongly recommended to prevent spotting on glassware and extend pipe life. The utility complies with state and federal standards including lead regulations; treatment involves chlorine and ozone disinfection, and past tests have shown 3–12 contaminants exceeding EPA health-based MCLGs per tapwaterdata.com — full details available via annual CCRs.

Geology & Source: Johnson County, west-central Missouri — Pennsylvanian Cherokee Group shales/limestones, Warrensburg Sandstone, glacial drift; prolonged carbonate contact produces hard water at 238 mg/L without softening influences

Other Missouri Water Reports

Sedalia

≈ 180+ mg/L

🔴 Very Hard

Grain Valley

≈ 120–179 mg/L

🟠 Hard

Blue Springs

≈ 120–179 mg/L

🟠 Hard

Marshall

≈ 120–179 mg/L

🟠 Hard

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

Frequently Asked Questions

Is Warrensburg's water safe to drink?

Yes. Warrensburg's water meets all federal safety standards. The hardness is 238 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 Warrensburg?

At 238 mg/L (Very Hard), Warrensburg'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 32%.

How does Warrensburg compare to the USA average?

The USA national average is 151 mg/L. Warrensburg (238 mg/L) is 87 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 Warrensburg 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.