Ennis Water Hardness & Quality Report (2026)
Water Hardness
16.9 grains per gallon
Source
mixed
pH Level
8.5
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
781.8 mg/L
Est. Daily Cost
$0.77
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 Ennis, your appliances are currently losing 38% efficiency due to mineral buildup.
| Appliance | In Ennis | 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 Ennis compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Ennis, Texas | 288.5 mg/L | 9.2 ppt | 🔴 Very Hard | mixed |
| Waxahachie, Texas | 204 mg/L | 7.4 ppt | 🔴 Very Hard | mixed |
| Corsicana, Texas | 189.5 mg/L | 7.1 ppt | 🔴 Very Hard | mixed |
| Lancaster, Texas | 345.5 mg/L | 10.4 ppt | 🔴 Very Hard | mixed |
| Seagoville, Texas | 229.5 mg/L | 7.9 ppt | 🔴 Very Hard | mixed |
National Benchmark
How Ennis compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Ennis | 288.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Ennis's Water Unique?
Local geology and source profile
Ennis, Texas, in Ellis County — the Ellis County city adjacent to Waxahachie and Corsicana, in the Blackland Prairie south of Dallas, known as the Bluebonnet City for its famous annual bluebonnet trail — receives its municipal water from the City of Ennis Water Division, drawing from Lake Bardwell (Waxahachie Creek, Ellis County) or through the North Texas MWD Trinity River supply system.
The very hard 288.5 mg/L hardness and very high TDS of 781.8 mg/L reflect the Blackland Prairie's extreme Cretaceous carbonate watershed geology. Lake Bardwell and Waxahachie Creek drain the Ellis County Blackland Prairie — terrain underlain entirely by the Cretaceous Austin Chalk and Cretaceous Eagle Ford Shale (both highly calcareous marine deposits), the Cretaceous Woodbine Formation, and the Cretaceous Taylor Marl (chalk and marl). All Blackland Prairie strata are extremely calcareous, and dissolution of the Austin Chalk and Taylor Marl produces the very hard, high-TDS water characteristic of the Ellis-Navarro County Blackland Prairie supply zone.
At 288.5 mg/L with TDS 782 mg/L, Ennis's water is very hard. A whole-house water softener is strongly recommended and kitchen reverse osmosis filtration is advisable. The PFAS level of 9.2 ppt warrants a certified reverse osmosis filter — the Naval Air Station Dallas (Grand Prairie, legacy AFFF site in the Trinity-Ellis watershed), the Ellis County industrial-manufacturing corridor (Corsicana-Waxahachie), and the Dallas-Fort Worth PFAS industrial complex contribute to Ennis's elevated readings.
Geology & Source: Ennis in Ellis County draws from the Ennis Water Division on Lake Bardwell (Waxahachie Creek, Ellis County) — the creek drains the Blackland Prairie (Cretaceous Austin Chalk and Eagle Ford Shale — highly calcareous marine carbonate) — Central Texas Cretaceous Austin Chalk Blackland Prairie drainage produces very hard water at 288.5 mg/L with very high TDS 782 mg/L in this Ellis County Texas city.