Sulphur Springs Water Hardness & Quality Report (2026)
Water Hardness
9.8 grains per gallon
Source
mixed
pH Level
8
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
386.7 mg/L
Est. Daily Cost
$0.45
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 Sulphur Springs, your appliances are currently losing 22% efficiency due to mineral buildup.
| Appliance | In Sulphur Springs | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.1 yrs | 8.5 yrs | -52% |
| Washing Machine | 7.4 yrs | 12 yrs | -38% |
| Water Heater | 8.9 yrs | 15 yrs | -41% |
Regional Water Comparison
How Sulphur Springs compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Sulphur Springs, Texas | 167 mg/L | 6.6 ppt | 🟠 Hard | mixed |
| Greenville, Texas | 373.5 mg/L | 11 ppt | 🔴 Very Hard | mixed |
| Paris, Texas | 269 mg/L | 8.8 ppt | 🔴 Very Hard | mixed |
| Mount Pleasant, Texas | 345.5 mg/L | 10.4 ppt | 🔴 Very Hard | mixed |
| Terrell, Texas | 327.5 mg/L | 10 ppt | 🔴 Very Hard | mixed |
National Benchmark
How Sulphur Springs compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Sulphur Springs | 167 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Sulphur Springs's Water Unique?
Local geology and source profile
Sulphur Springs, Texas, in Hopkins County — the Hopkins County seat adjacent to Yantis and Cumby on the South Sulphur River in northeast Texas — receives its municipal water from the Sulphur Springs Water Division, drawing from the South Sulphur River or Cooper Lake (Lake Sulfur Springs, Hopkins County) through the northeast Texas water treatment system.
The hard 167 mg/L hardness and TDS of 386.7 mg/L (elevated TDS relative to hardness — suggesting evaporitic mineral loading) reflect the northeast Texas South Sulphur River supply's calcareous character. The South Sulphur River at Hopkins County drains the Cretaceous Austin Chalk (calcareous chalk-marl — moderately hard), Paleocene Midway Group (calcareous shale — additional hardness contributor), and the Eocene Claiborne Group (calcareous). The cumulative Cretaceous-Paleocene calcareous drainage produces the hard northeast Texas supply.
At 167 mg/L, Sulphur Springs' 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 6.6 ppt warrants a certified drinking water filter — the Hopkins County northeast Texas industrial corridor and the Texas PFAS background from the Red River-Sulphur watershed contribute to Sulphur Springs' readings.
Geology & Source: Sulphur Springs in Hopkins County draws from the Sulphur Springs Water Division on the South Sulphur River (Hopkins County, northeast Texas) — the South Sulphur drains Cretaceous Austin Chalk (calcareous) and Paleocene Midway Group calcareous shale — Texas Hopkins County South Sulphur River Cretaceous-Paleocene calcareous watershed produces hard water at 167 mg/L with TDS 386.7 mg/L in this Hopkins County Texas city.