Four Corners Water Hardness & Quality Report (2026)
Water Hardness
18.2 grains per gallon
Source
mixed
pH Level
8.5
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
867.2 mg/L
Est. Daily Cost
$0.83
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 Four Corners, your appliances are currently losing 42% efficiency due to mineral buildup.
| Appliance | In Four Corners | 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 Four Corners compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Four Corners, Texas | 311.5 mg/L | 9.6 ppt | 🔴 Very Hard | mixed |
| Mission Bend, Texas | 173 mg/L | 6.7 ppt | 🟠 Hard | mixed |
| Sugar Land, Texas | 155 mg/L | 6.4 ppt | 🟠 Hard | mixed |
| Alief, Texas | 145 mg/L | 6.1 ppt | 🟠 Hard | mixed |
| New Territory, Texas | 212 mg/L | 7.6 ppt | 🔴 Very Hard | mixed |
National Benchmark
How Four Corners compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Four Corners | 311.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Four Corners's Water Unique?
Local geology and source profile
Four Corners, Texas, in Fort Bend County — a Fort Bend County unincorporated community adjacent to Sugar Land and Missouri City in the Houston metro — receives its water from the Fort Bend County water system, drawing from the Brazos River or Gulf Coast Aquifer (Fort Bend County) through the Houston metro distribution.
The extremely hard 311.5 mg/L hardness and TDS of 867.2 mg/L reflect the Houston metro Fort Bend County Gulf Coast supply's extremely hard calcareous character — the Pleistocene Beaumont Formation highly calcareous and Miocene Evangeline Aquifer produce extremely hard water throughout the Houston metro Gulf Coast communities (compare Port Neches TX: 260/694 in Jefferson County comparable; Forest Hill TX: 270.5/717 in Tarrant County comparable; Four Corners extremely hard on the Fort Bend County Gulf Coast draw). The Brazos-Gulf Coast at Fort Bend County — Pleistocene Beaumont Formation (highly calcareous — primary hardness contributor), Miocene Evangeline Aquifer (calcareous — secondary contributor), and Gulf Coast evaporative concentration (calcareous — TDS contributor).
At 311.5 mg/L with TDS 867, Four Corners' water is extremely hard. A water softener is essential to prevent severe scale damage. A reverse osmosis system is required for drinking water. The PFAS level of 9.6 ppt warrants a certified drinking water filter — the Fort Bend County Houston metro petrochemical and industrial corridor contribute to Four Corners' elevated PFAS readings.
Geology & Source: Four Corners in Fort Bend County draws from the Fort Bend County water on the Brazos River or Gulf Coast Aquifer (Fort Bend County, Houston metro, Texas) — the Brazos-Gulf Coast at Fort Bend County drains the Gulf Coast (Pleistocene Beaumont Formation — highly calcareous) and Miocene Evangeline Aquifer (calcareous) — Texas Fort Bend County Brazos-Gulf Coast Pleistocene calcareous supply produces extremely hard water at 311.5 mg/L with TDS 867.2 mg/L.