Webster Water Hardness & Quality Report (2026)
Water Hardness
12.7 grains per gallon
Source
mixed
pH Level
8.3
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
539.4 mg/L
Est. Daily Cost
$0.58
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 Webster, your appliances are currently losing 29% efficiency due to mineral buildup.
| Appliance | In Webster | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 2.4 yrs | 8.5 yrs | -72% |
| Washing Machine | 5.6 yrs | 12 yrs | -53% |
| Water Heater | 6.9 yrs | 15 yrs | -54% |
Regional Water Comparison
How Webster compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Webster, Texas | 217.5 mg/L | 7.7 ppt | 🔴 Very Hard | mixed |
| League City, Texas | 417.5 mg/L | 11.9 ppt | 🔴 Very Hard | mixed |
| Friendswood, Texas | 378.5 mg/L | 11.1 ppt | 🔴 Very Hard | mixed |
| Seabrook, Texas | 228.5 mg/L | 7.9 ppt | 🔴 Very Hard | mixed |
| Dickinson, Texas | 207 mg/L | 7.5 ppt | 🔴 Very Hard | mixed |
National Benchmark
How Webster compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Webster | 217.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Webster's Water Unique?
Local geology and source profile
Webster, Texas, in Harris County — a Harris County city adjacent to Friendswood and Clear Lake City near NASA Johnson Space Center in southeast Harris County — receives its water from the City of Webster Water Department or Harris County MUD, drawing from the Trinity River and Gulf Coast groundwater supply through the southeast Texas distribution.
The very hard 217.5 mg/L hardness and TDS of 539.4 mg/L reflect the Harris County Gulf Coast supply's very hard evaporitic character — the Cretaceous Navarro Formation and Quaternary Gulf Coastal plain alluvium concentrate calcareous and evaporitic minerals in the Houston-Galveston Bay area supply (compare Friendswood TX: 214/530 in Galveston/Harris County comparable; Clear Lake City TX: 220/548 in Harris County comparable; Webster consistent very hard from the same Harris County Trinity River Gulf Coast Cretaceous evaporitic supply). The Gulf Coast supply — Cretaceous Navarro Formation (highly calcareous — primary hardness contributor), Quaternary Gulf Coastal plain alluvium (evaporitic — secondary contributor), and Holocene Houston Bay alluvium (evaporitic — TDS contributor).
At 217.5 mg/L with TDS 539, Webster's water is very hard — a water softener is strongly recommended to protect plumbing and appliances. The PFAS level of 7.7 ppt is elevated — a certified drinking water filter with PFAS removal is recommended. Review the City of Webster's annual water quality report.
Geology & Source: Webster in Harris County draws from the Webster Water on the Trinity River supply (Harris County, southeast Texas) — the Texas Gulf Coast at Harris County draws from Cretaceous Navarro Formation (highly calcareous) and Quaternary Gulf Coastal plain alluvium (evaporitic) — Texas Harris County Trinity River Gulf Coast Cretaceous evaporitic supply produces very hard water at 217.5 mg/L with TDS 539.4 mg/L.