Sulphur Springs Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
reservoir
pH Level
7.4
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
83 mg/L
Est. Daily Cost
$0.40
energy & soap waste
Source: See methodology section below · 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 20% efficiency due to mineral buildup.
| Appliance | In Sulphur Springs | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.8 yrs | 8.5 yrs | -20% |
| Washing Machine | 9.6 yrs | 12 yrs | -20% |
| Water Heater | 12 yrs | 15 yrs | -20% |
Regional Water Comparison
How Sulphur Springs compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Sulphur Springs, Texas | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | reservoir |
| Greenville, Texas | ≈ 180+ mg/L | 76.8 ppt | 🔴 Very Hard | reservoir |
| Paris, Texas | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | reservoir |
| Mount Pleasant, Texas | ≈ 180+ mg/L | 6.6 ppt | 🔴 Very Hard | reservoir |
| Bonham, Texas | ≈ 120–179 mg/L | 7.9 ppt | 🟠 Hard | reservoir |
National Benchmark
How Sulphur Springs compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Sulphur Springs | ≈ 120–179 mg/L | 🟠 Moderate |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Sulphur Springs's Water Unique?
Local geology and source profile
The City of Sulphur Springs Water Utility serves Hopkins County and the city of Sulphur Springs, Texas, with a population of approximately 16,000. Primary water sources are surface reservoirs including Lake Sulphur Springs and Cooper Lake on the Sulphur River. Treatment occurs at the city's conventional surface water treatment plant using coagulation, sedimentation, filtration, and disinfection. The utility can be reached at 903-885-7541 at 125 Davis St S, Sulphur Springs, TX 75482; annual Consumer Confidence Reports are available through the utility office.
The supply draws from the Sulphur River watershed within the larger Neches River Basin, spanning piney woods and post oak savannah ecoregions. Underlying Cretaceous Woodbine sandstone, Eagle Ford shale, and Austin Chalk limestone form the principal aquifers and recharge zones, with surficial Quaternary sands and gravels. These carbonate-dominated formations dissolve readily, yielding a hard supply mineralised by calcium and magnesium from karst dissolution and evaporitic influences in reservoir bottoms.
At hard water levels, scale buildup occurs in pipes, water heaters, dishwashers, and washing machines, reducing efficiency and lifespan. Faucet aerators and showerheads clog quickly, while soap lathering diminishes, leaving films on skin, hair, and dishes. Whole-house softening is recommended for protection; regular vinegar descaling helps prevent approximately 30% energy loss in water heaters. A recent quality analysis scored the supply 80/100, with 2 contaminants above health guidelines but 0 EPA violations; treatment uses chloramines, chlorine, and chlorine dioxide post-conventional processing.
Geology & Source: Sulphur River watershed, Northeast Texas; Cretaceous Woodbine sandstone, Eagle Ford shale, and Austin Chalk limestone — carbonate dissolution and evaporitic lake sediments produce hard water
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Frequently Asked Questions
Is Sulphur Springs's water safe to drink?
Do I need a water softener in Sulphur Springs?
How does Sulphur Springs compare to the USA average?
Data Sources & Methodology
Water quality data for Sulphur Springs is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.
Water Hardness
Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.
pH
Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.
TDS — Total Dissolved Solids
Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.
PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances
EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.
Lead
Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.
Appliance Lifespan
Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.