Seagoville Water Hardness & Quality Report (2026)
Water Hardness
13.4 grains per gallon
Source
mixed
pH Level
8.3
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
578.1 mg/L
Est. Daily Cost
$0.61
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 Seagoville, your appliances are currently losing 31% efficiency due to mineral buildup.
| Appliance | In Seagoville | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 2 yrs | 8.5 yrs | -76% |
| Washing Machine | 5.1 yrs | 12 yrs | -58% |
| Water Heater | 6.4 yrs | 15 yrs | -57% |
Regional Water Comparison
How Seagoville compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Seagoville, Texas | 229.5 mg/L | 7.9 ppt | 🔴 Very Hard | mixed |
| Balch Springs, Texas | 404.5 mg/L | 11.6 ppt | 🔴 Very Hard | mixed |
| Forney, Texas | 280 mg/L | 9 ppt | 🔴 Very Hard | mixed |
| Mesquite, Texas | 413.5 mg/L | 11.8 ppt | 🔴 Very Hard | mixed |
| Lancaster, Texas | 345.5 mg/L | 10.4 ppt | 🔴 Very Hard | mixed |
National Benchmark
How Seagoville compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Seagoville | 229.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Seagoville's Water Unique?
Local geology and source profile
Seagoville, Texas, in Dallas County — a Dallas County city adjacent to Balch Springs and Mesquite on the east side of Dallas — receives its municipal water from Dallas Water Utilities, drawing from Lake Ray Hubbard (East Fork of the Trinity River, Dallas County) through the east Dallas distribution system.
The very hard 229.5 mg/L hardness and elevated TDS of 578.1 mg/L reflect the east Dallas Trinity River supply's intense calcareous and evaporitic character. Lake Ray Hubbard (East Fork Trinity River) drains the Dallas area Cretaceous Eagle Ford Formation (calcareous chalk-marl — very hard), Cretaceous Woodbine Formation (calcareous), and upstream Permian Wichita Group (evaporitic gypsum and halite — major TDS contributor from the Red River-Permian Basin drainage). The cumulative Cretaceous calcareous and Permian evaporitic loading produces the very hard east Dallas supply.
At 229.5 mg/L with TDS 578, Seagoville's water is very hard. A water softener is strongly recommended. Scale builds rapidly on all surfaces, appliance lifespans are significantly shortened, and water heaters require annual descaling without softening. The PFAS level of 7.9 ppt warrants a certified reverse osmosis drinking water filter — the Dallas County east Dallas industrial corridor and the Trinity River PFAS complex contribute to Seagoville's elevated readings.
Geology & Source: Seagoville in Dallas County draws from Dallas Water Utilities on Lake Ray Hubbard (Dallas County, northeast Texas) — Lake Ray Hubbard impounds the East Fork Trinity draining Cretaceous Eagle Ford calcareous chalk and Permian Wichita evaporitic redbeds — Texas Dallas County East Fork Trinity Cretaceous-Permian calcareous watershed produces very hard water at 229.5 mg/L with TDS 578.1 mg/L in this Dallas County Texas city.