Warrensburg Water Hardness & Quality Report (2026)
Water Hardness
13.7 grains per gallon
Source
river
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: USGS Water Quality Portal · Updated 2026
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 31% efficiency due to mineral buildup.
| Appliance | In Warrensburg | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.9 yrs | 8.5 yrs | -78% |
| Washing Machine | 4.9 yrs | 12 yrs | -59% |
| Water Heater | 6.2 yrs | 15 yrs | -59% |
Regional Water Comparison
How Warrensburg compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Warrensburg, Missouri | 234.5 mg/L | 7.1 ppt | 🔴 Very Hard | river |
| Sedalia, Missouri | 199 mg/L | 6.2 ppt | 🔴 Very Hard | river |
| Grain Valley, Missouri | 284 mg/L | 8.4 ppt | 🔴 Very Hard | river |
| Blue Springs, Missouri | 250.5 mg/L | 7.5 ppt | 🔴 Very Hard | river |
| Marshall, Missouri | 161 mg/L | 5.2 ppt | 🟠 Hard | river |
National Benchmark
How Warrensburg compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Warrensburg | 234.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Warrensburg's Water Unique?
Local geology and source profile
Warrensburg, Missouri, in Johnson County — the Johnson County seat and home of the University of Central Missouri (UCM), a central Missouri college and agricultural community between Kansas City and the Lake of the Ozarks — receives its municipal water from Warrensburg Water Utilities, which draws from the South Grand River or local reservoir in the Johnson County portion of the Missouri-Osage watershed.
The very hard 234.5 mg/L hardness and high TDS of 559.2 mg/L reflect the South Grand River watershed's Missouri Osage Plain carbonate geology. The South Grand River drains the Osage Plain in central Missouri — terrain underlain by the Pennsylvanian Cherokee Group and Marmaton Group (marine limestone and calcareous shale cycles of the Kansas-Missouri cyclothem sequence) and the Mississippian Burlington-Keokuk Limestone of the northern Ozark border. The calcareous Pennsylvanian-Mississippian carbonate platform of central Missouri produces consistently hard water in the South Grand-Osage watershed — harder than the Kansas City metro area's treated Missouri River supply but softer than the deep Ozark Dome dolomite springs (Rolla: 269.5 mg/L).
At 234.5 mg/L with TDS 559 mg/L, Warrensburg's water is very hard. A water softener is strongly recommended and kitchen reverse osmosis filtration is advisable. The PFAS level of 7.1 ppt warrants a certified drinking water filter — Whiteman Air Force Base (Johnson County — home of the B-2 Spirit stealth bomber, a major AFFF-using base in the South Grand watershed) is the primary documented PFAS source for Warrensburg and the Johnson County water system.
Geology & Source: Warrensburg in Johnson County draws from Warrensburg Water Utilities on the South Grand River or the Missouri River system — the South Grand drains the Osage Plain (Pennsylvanian limestone and shale, Ozark Border) and the Missouri Till Plain calcareous glacial till — Pennsylvanian carbonate and glacial till drainage produces very hard water at 234.5 mg/L with high TDS 559 mg/L in this Johnson County Missouri city.