Huntsville Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
reservoir
pH Level
8
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
115 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 Huntsville, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Huntsville | 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 Huntsville compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Huntsville, Texas | ≈ 120–179 mg/L | 327 ppt | 🟠 Hard | reservoir |
| Conroe, Texas | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | reservoir |
| The Woodlands, Texas | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | reservoir |
| Tomball, Texas | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | groundwater |
| Spring, Texas | ≈ 120–179 mg/L | 10.5 ppt | 🟠 Hard | reservoir |
National Benchmark
How Huntsville compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Huntsville | ≈ 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 Huntsville's Water Unique?
Local geology and source profile
The City of Huntsville Water Utility, located at 1212 Avenue M, Huntsville, TX 77340, serves a population of approximately 38,743 in Walker County. The utility purchases treated surface water, primarily from reservoirs in the region; no specific treatment plant names are detailed in available reports. Customers can contact the utility at 936-291-5400 for service details. Quarterly chemical analyses are provided by the Texas Commission on Environmental Quality (TCEQ), and Consumer Confidence Reports summarising recent water quality data are available via the city's official website at huntsvilletx.gov.
Huntsville's supply originates from surface water in the Trinity River basin, traversing Cretaceous sedimentary formations abundant in limestone, chalk, and dolomite from the Woodbine and Eagle Ford groups. These ancient marine deposits dissolve calcium and magnesium ions as water moves through reservoir storage and transit, imparting a moderately mineralised to hard character. No specific aquifer is involved, as the supply is entirely surface-sourced; the watershed's carbonate-rich geology is the primary driver of mineral content and hardness.
Hard water in Huntsville leads to scale buildup in pipes, heaters, dishwashers, and washing machines, reducing efficiency and lifespan. Soap lathering is impaired, leaving residue on skin and dishes. Regular maintenance — descaling appliances and flushing water heaters — is advised. A water softener is recommended for households to mitigate these effects. Water quality meets legal limits per TCEQ reports, with added fluoride for dental health; treatment involves standard surface water processes including coagulation, filtration, disinfection, and fluoridation. Iron leaching can cause occasional discoloration but is harmless.
Geology & Source: Trinity River basin — Cretaceous limestone, chalk, and dolomite from Woodbine and Eagle Ford formations dissolve calcium and magnesium during reservoir storage, imparting a moderately mineralised to hard character to purchased surface water
Other Texas Water Reports
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Frequently Asked Questions
Is Huntsville's water safe to drink?
Do I need a water softener in Huntsville?
How does Huntsville compare to the USA average?
Data Sources & Methodology
Water quality data for Huntsville 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.