Hewitt Water Hardness & Quality Report (2026)
Water Hardness
19.2 grains per gallon
Source
mixed
pH Level
8.5
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
932.6 mg/L
Est. Daily Cost
$0.88
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 Hewitt, your appliances are currently losing 44% efficiency due to mineral buildup.
| Appliance | In Hewitt | 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 Hewitt compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Hewitt, Texas | 328.5 mg/L | 10 ppt | 🔴 Very Hard | mixed |
| Waco, Texas | 89 mg/L | 5 ppt | 🟡 Moderately Hard | mixed |
| Temple, Texas | 318.5 mg/L | 9.8 ppt | 🔴 Very Hard | mixed |
| Belton, Texas | 230.5 mg/L | 7.9 ppt | 🔴 Very Hard | mixed |
| Gatesville, Texas | 99 mg/L | 5.2 ppt | 🟡 Moderately Hard | mixed |
National Benchmark
How Hewitt compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Hewitt | 328.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Hewitt's Water Unique?
Local geology and source profile
Hewitt, Texas, in McLennan County — a McLennan County city adjacent to Waco and Woodway in central Texas — receives its water from the Hewitt Water Utility or City of Waco Water, drawing from Lake Waco and the Brazos River (McLennan County) through the central Texas distribution.
The extremely hard 328.5 mg/L hardness and very high TDS of 932.6 mg/L reflect the central Texas Brazos River supply's extreme Cretaceous-Permian calcareous-evaporitic character — among the very hardest in the USA dataset, driven by the upper Brazos River's drainage through the highly soluble Cretaceous Edwards Limestone and Permian evaporitic gypsiferous West Texas formations. The Brazos River-Lake Waco watershed at McLennan County drains — Cretaceous Edwards Limestone (calcareous — primary hardness contributor), Cretaceous Fredericksburg Group (calcareous), and Permian evaporitic Red Bed gypsiferous formations (gypsum — primary TDS contributor).
At 328.5 mg/L with TDS 932, Hewitt's water is extremely hard. A water softener is strongly recommended, and a reverse osmosis system is essential for drinking water due to the very high TDS. Scale builds very rapidly on all surfaces and appliance lifespans are severely shortened without treatment. The PFAS level of 10.0 ppt warrants a certified reverse osmosis drinking water filter — McGregor Airport (McLennan County — AFFF) and the central Texas Waco industrial corridor contribute to Hewitt's elevated readings.
Geology & Source: Hewitt in McLennan County draws from the Hewitt Water Utility on the Brazos River and Lake Waco (McLennan County, central Texas) — Lake Waco and the Brazos drain the Texas Hill Country (Cretaceous Edwards Limestone — calcareous) and Permian evaporitic West Texas formations — Texas McLennan County Brazos River-Lake Waco Cretaceous-Permian calcareous-evaporitic produces extremely hard water at 328.5 mg/L with TDS 932.6 mg/L.