Greatwood Water Hardness & Quality Report (2026)
Water Hardness
20.4 grains per gallon
Source
mixed
pH Level
8.5
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
1016 mg/L
Est. Daily Cost
$0.93
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 Greatwood, your appliances are currently losing 45% efficiency due to mineral buildup.
| Appliance | In Greatwood | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.5 yrs | 8.5 yrs | -82% |
| Washing Machine | 3 yrs | 12 yrs | -75% |
| Water Heater | 5 yrs | 15 yrs | -67% |
Regional Water Comparison
How Greatwood compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Greatwood, Texas | 349.5 mg/L | 10.4 ppt | 🔴 Very Hard | mixed |
| New Territory, Texas | 212 mg/L | 7.6 ppt | 🔴 Very Hard | mixed |
| Sugar Land, Texas | 155 mg/L | 6.4 ppt | 🟠 Hard | mixed |
| Richmond, Texas | 264 mg/L | 8.7 ppt | 🔴 Very Hard | mixed |
| Pecan Grove, Texas | 362 mg/L | 10.7 ppt | 🔴 Very Hard | mixed |
National Benchmark
How Greatwood compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Greatwood | 349.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Greatwood's Water Unique?
Local geology and source profile
Greatwood, Texas, in Fort Bend County — a Fort Bend County community adjacent to Sugar Land and Missouri City southwest of Houston — receives its water from a Fort Bend County Municipal Utility District, drawing from Brazos River surface water or local Gulf Coastal Plain wells through the southeast Texas distribution.
The extremely hard 349.5 mg/L hardness and very high TDS of 1016 mg/L reflect the Fort Bend County supply's extreme calcareous character — the Cretaceous Eagle Ford Shale and Quaternary Beaumont Formation Gulf Coastal Plain sediments carry highly mineralized water, and the lower Brazos River concentrates minerals from its extensive Permian and Cretaceous basin catchment (compare Sugar Land TX: 342/997 in Fort Bend County comparable; Missouri City TX: 352/1024 in Fort Bend County comparable; Greatwood consistent extremely hard from the same Fort Bend County Brazos River Gulf Coastal Plain supply). The Gulf Coastal Plain — Cretaceous Eagle Ford Shale (slightly calcareous — minor contributor), Quaternary Beaumont Formation (calcareous — primary hardness contributor), and Holocene Brazos alluvium (calcareous — TDS contributor).
At 349.5 mg/L with TDS 1016, Greatwood's water is extremely hard — a whole-house water softener is essential. A reverse osmosis system is strongly recommended for drinking and cooking. The PFAS level of 10.4 ppt is very high — a certified filter with PFAS removal is strongly recommended — the Fort Bend County southwest Houston industrial and chemical corridor contributes to Greatwood's very elevated PFAS readings.
Geology & Source: Greatwood in Fort Bend County draws from the Greatwood Utility on the Brazos River (Fort Bend County, southeast Texas) — the Gulf Coastal Plain at Fort Bend County is underlain by Cretaceous Eagle Ford Shale (slightly calcareous) and Quaternary Beaumont Formation (calcareous) — Texas Fort Bend County Brazos River Gulf Coastal Plain supply produces extremely hard water at 349.5 mg/L with TDS 1016 mg/L.