Lebanon Water Hardness & Quality Report (2026)
Water Hardness
10.2 grains per gallon
Source
river
pH Level
8.1
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
356.1 mg/L
Est. Daily Cost
$0.47
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 Lebanon, your appliances are currently losing 23% efficiency due to mineral buildup.
| Appliance | In Lebanon | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.8 yrs | 8.5 yrs | -55% |
| Washing Machine | 7.1 yrs | 12 yrs | -41% |
| Water Heater | 8.6 yrs | 15 yrs | -43% |
Regional Water Comparison
How Lebanon compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Lebanon, Missouri | 174.5 mg/L | 5.6 ppt | 🟠 Hard | river |
| Fort Leonard Wood, Missouri | 202.5 mg/L | 6.3 ppt | 🔴 Very Hard | river |
| Springfield, Missouri | 143.5 mg/L | 4.8 ppt | 🟠 Hard | river |
| Ozark, Missouri | 151 mg/L | 5 ppt | 🟠 Hard | river |
| Nixa, Missouri | 231 mg/L | 7 ppt | 🔴 Very Hard | river |
National Benchmark
How Lebanon compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Lebanon | 174.5 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Lebanon's Water Unique?
Local geology and source profile
Lebanon, Missouri, in Laclede County — the Laclede County seat on the Niangua River adjacent to Richland and Conway on the south-central Missouri Ozark Plateau — receives its municipal water from the Lebanon Water Division, drawing from the Niangua River or local Ozark springs (Laclede County) through the south-central Missouri water treatment system.
The hard 174.5 mg/L hardness and TDS of 356.1 mg/L reflect the south-central Missouri Ozark Plateau supply's hard character — the central Ozark Plateau's dissolved carbonate rock producing consistently hard water throughout the region. The Niangua River at Laclede County drains the Ozark Plateau — Ordovician Gasconade Dolomite (dolomite — primary TDS contributor), Cambrian Roubidoux Formation (calcareous chert and dolomite — secondary contributor), and Cambrian Gasconade Formation (calcareous — primary hardness contributor). The Ordovician-Cambrian Ozark carbonate dissolution produces the hard south-central Missouri supply.
At 174.5 mg/L, Lebanon's water is hard — scale builds steadily in kettles and appliances, dishwashers benefit from rinse aid, and water heaters should be descaled annually. Monthly descaling is recommended. The PFAS level of 5.6 ppt warrants a certified drinking water filter — Fort Leonard Wood (Pulaski County — AFFF, the major south-central Missouri military PFAS source) and the Ozark Plateau industrial corridor contribute to Lebanon's readings.
Geology & Source: Lebanon in Laclede County draws from the Lebanon Water Division on the Niangua River or local Ozark springs (Laclede County, south-central Missouri Ozark Plateau) — the Niangua drains the Ozark Plateau (Ordovician Gasconade Dolomite, Cambrian Roubidoux Formation calcareous) — Missouri Laclede County Niangua River Ozark Ordovician-Cambrian dolomite-calcareous watershed produces hard water at 174.5 mg/L with TDS 356.1 mg/L.