Huntsville Water Hardness & Quality Report (2026)
Water Hardness
16.1 grains per gallon
Source
mixed
pH Level
8.5
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
733.4 mg/L
Est. Daily Cost
$0.73
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 Huntsville, your appliances are currently losing 37% efficiency due to mineral buildup.
| Appliance | In Huntsville | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.5 yrs | 8.5 yrs | -82% |
| Washing Machine | 3.4 yrs | 12 yrs | -72% |
| Water Heater | 5 yrs | 15 yrs | -67% |
Regional Water Comparison
How Huntsville compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Huntsville, Texas | 275 mg/L | 8.9 ppt | 🔴 Very Hard | mixed |
| Conroe, Texas | 122 mg/L | 5.7 ppt | 🟠 Hard | mixed |
| The Woodlands, Texas | 391.5 mg/L | 11.3 ppt | 🔴 Very Hard | mixed |
| Spring, Texas | 352.5 mg/L | 10.5 ppt | 🔴 Very Hard | mixed |
| New Caney, Texas | 150 mg/L | 6.2 ppt | 🟠 Hard | mixed |
National Benchmark
How Huntsville compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Huntsville | 275 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Huntsville's Water Unique?
Local geology and source profile
Huntsville, Texas, the Walker County seat — the home of Sam Houston State University (SHSU), the Texas State Penitentiary at Huntsville (the main Texas prison facility, site of most Texas executions), the Sam Houston Memorial Museum and statue of Sam Houston (the largest statue of an American hero in the US at 67 feet tall), and a significant Walker County east Texas city — draws its municipal water supply from Lake Livingston via the City of Huntsville Utilities. Water hardness in Huntsville measures 275 mg/L — classified as very hard.
Huntsville's very hard supply reflects the Trinity River east Texas Gulf Coastal Plain watershed's calcareous Eocene geology. The Trinity River above Lake Livingston drains through east Texas: the Eocene Yegua Formation (calcareous sandy marine sediment of the Texas Gulf Coastal Plain — calcareous calcareous marine sand); the Eocene Cook Mountain Formation (calcareous marl and calcareous marine shale); and the Texas East Texas embayment calcareous Cretaceous and Eocene formations. The calcareous Gulf Coastal Plain Eocene formations produce the very hard 275 mg/L at Huntsville.
At 275 mg/L, Huntsville residents face severe hard water challenges. Weekly descaling and appliance protection measures are strongly recommended. City of Huntsville Utilities consistently delivers water meeting all Texas TCEQ and EPA Safe Drinking Water Act requirements.
Geology & Source: Surface water from the Lake Livingston (Trinity River watershed) via the City of Huntsville Utilities Water Division — the Walker County east Texas Trinity River corridor (Eocene Yegua and Cook Mountain Formation calcareous sandy marine sediment of the Texas Gulf Coastal Plain); very hard supply at 275 mg/L — reflecting the east Texas Gulf Coastal Plain watershed's calcareous Eocene formations.