Overland Water Hardness & Quality Report (2026)
Water Hardness
8.5 grains per gallon
Source
river
pH Level
7.9
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
272.8 mg/L
Est. Daily Cost
$0.39
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 Overland, your appliances are currently losing 19% efficiency due to mineral buildup.
| Appliance | In Overland | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.8 yrs | 8.5 yrs | -44% |
| Washing Machine | 8.2 yrs | 12 yrs | -32% |
| Water Heater | 9.8 yrs | 15 yrs | -35% |
Regional Water Comparison
How Overland compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Overland, Missouri | 145.5 mg/L | 4.8 ppt | 🟠 Hard | river |
| Saint Ann, Missouri | 100 mg/L | 3.7 ppt | 🟡 Moderately Hard | river |
| Maryland Heights, Missouri | 171.5 mg/L | 5.5 ppt | 🟠 Hard | river |
| University City, Missouri | 161.5 mg/L | 5.3 ppt | 🟠 Hard | river |
| Clayton, Missouri | 140.5 mg/L | 4.7 ppt | 🟠 Hard | river |
National Benchmark
How Overland compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Overland | 145.5 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Overland's Water Unique?
Local geology and source profile
Overland, Missouri, in Saint Louis County — a Saint Louis County city adjacent to Bridgeton and Jennings in the inner St. Louis suburbs — receives its municipal water from Missouri American Water, drawing from the Missouri River (Saint Louis County) through the Missouri American Water treatment plants.
The moderately hard 145.5 mg/L hardness and TDS of 272.8 mg/L reflect the St. Louis metro Missouri River supply's moderate Ozark-Central Lowland carbonate character — consistent with other St. Louis area communities on the same Missouri American Water system. The Missouri River at Saint Louis County drains the Central Lowlands — Mississippian Burlington Limestone (the dominant Ozark-Central USA carbonate platform — very high purity limestone), Ordovician Gasconade Dolomite (calcareous), and Cambrian Roubidoux Formation (calcareous). The Mississippian and Ordovician carbonate input produces the moderately hard St. Louis metro supply.
At 145.5 mg/L, Overland's water is moderately hard — scale builds in kettles and appliances over months, dishwashers benefit from rinse aid, and faucet aerators need periodic cleaning. Quarterly descaling is appropriate. The PFAS level of 4.8 ppt warrants a certified drinking water filter — the Saint Louis County inner St. Louis industrial corridor and the Missouri River PFAS background from the upper Missouri basin contribute to Overland's readings.
Geology & Source: Overland in Saint Louis County draws from Missouri American Water on the Missouri River (Saint Louis County, east Missouri) — the Missouri drains the Central Lowlands (Mississippian Burlington Limestone, Ordovician Gasconade Dolomite — calcareous) — Missouri Saint Louis County Missouri River Ozark-Central Lowland carbonate watershed produces moderately hard water at 145.5 mg/L with TDS 272.8 mg/L in this Saint Louis County Missouri city.