Van Wert Water Hardness & Quality Report (2026)
Water Hardness
13.8 grains per gallon
Source
river
pH Level
8.5
neutral = 7.0
Lead
0.008 mg/L
✓ Below action level
TDS
595.3 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 Van Wert, your appliances are currently losing 31% efficiency due to mineral buildup.
| Appliance | In Van Wert | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.8 yrs | 8.5 yrs | -79% |
| Washing Machine | 4.9 yrs | 12 yrs | -59% |
| Water Heater | 6.2 yrs | 15 yrs | -59% |
Regional Water Comparison
How Van Wert compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Van Wert, Ohio | 236 mg/L | 9.3 ppt | 🔴 Very Hard | river |
| Celina, Ohio | 249.5 mg/L | 9.8 ppt | 🔴 Very Hard | river |
| Defiance, Ohio | 236.5 mg/L | 9.3 ppt | 🔴 Very Hard | river |
| New Haven, Indiana | 213.5 mg/L | 6.7 ppt | 🔴 Very Hard | river |
| Lima, Ohio | 149.5 mg/L | 5.8 ppt | 🟠 Hard | river |
National Benchmark
How Van Wert compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Van Wert | 236 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Van Wert's Water Unique?
Local geology and source profile
Van Wert, Ohio, in Van Wert County — the Van Wert County seat adjacent to Delphos and Convoy in northwest Ohio — receives its water from the City of Van Wert Water Department, drawing from the St. Marys River through the northwest Ohio distribution.
The very hard 236 mg/L hardness and high TDS of 595.3 mg/L reflect the Van Wert County St. Marys River supply's very hard dolomitic character — the Silurian Niagaran Dolomite and Devonian Onondaga Limestone are highly calcareous-dolomitic formations in the northwest Ohio Maumee Basin, and the St. Marys River acquires substantial dissolved mineral content from its extensive limestone-dolomite drainage across the Black Swamp plain (compare Delphos OH: 232/584 in Allen/Van Wert County comparable; Convoy OH: 239/606 in Van Wert County comparable; Van Wert consistent very hard from the same Van Wert County St. Marys River Silurian dolomitic supply). The St. Marys watershed — Silurian Niagaran Dolomite (highly dolomitic — primary hardness contributor), Devonian Onondaga Limestone (highly calcareous — secondary contributor), and Quaternary Black Swamp alluvium (calcareous — TDS contributor).
At 236 mg/L with TDS 595, Van Wert's water is very hard — a water softener is strongly recommended to protect plumbing and appliances. The PFAS level of 9.3 ppt is very elevated — a certified filter with PFAS removal is strongly recommended. Review the City of Van Wert's annual water quality report.
Geology & Source: Van Wert in Van Wert County draws from the Van Wert Water on the St. Marys River (Van Wert County, northwest Ohio) — the St. Marys watershed drains Silurian Niagaran Dolomite (highly dolomitic) and Devonian Onondaga Limestone (highly calcareous) — Ohio Van Wert County St. Marys River Silurian dolomitic supply produces very hard water at 236 mg/L with TDS 595.3 mg/L.