Leon Valley Water Hardness & Quality Report (2026)
Water Hardness
4.7 grains per gallon
Source
mixed
pH Level
7.4
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
163.8 mg/L
Est. Daily Cost
$0.21
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 Leon Valley, your appliances are currently losing 11% efficiency due to mineral buildup.
| Appliance | In Leon Valley | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.9 yrs | 8.5 yrs | -19% |
| Washing Machine | 10.6 yrs | 12 yrs | -12% |
| Water Heater | 12.4 yrs | 15 yrs | -17% |
Regional Water Comparison
How Leon Valley compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Leon Valley, Texas | 80.5 mg/L | 4.8 ppt | 🟡 Moderately Hard | mixed |
| San Antonio, Texas | 399 mg/L | 11.5 ppt | 🔴 Very Hard | mixed |
| Timberwood Park, Texas | 85.5 mg/L | 4.9 ppt | 🟡 Moderately Hard | mixed |
| Live Oak, Texas | 243 mg/L | 8.2 ppt | 🔴 Very Hard | mixed |
| Converse, Texas | 126.5 mg/L | 5.8 ppt | 🟠 Hard | mixed |
National Benchmark
How Leon Valley compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Leon Valley | 80.5 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Leon Valley's Water Unique?
Local geology and source profile
Leon Valley, Texas, in Bexar County — a Bexar County city adjacent to Balcones Heights and Helotes in the west San Antonio suburbs — receives its water from the San Antonio Water System (SAWS), drawing from the Edwards Aquifer through the south-central Texas distribution.
The soft 80.5 mg/L hardness and TDS of 163.8 mg/L are on the softer end for Edwards Aquifer supply — the Cretaceous Edwards Limestone and Glen Rose Formation are calcareous formations, but the San Antonio SAWS treatment and blending process moderates the hardness compared to unblended Edwards Aquifer springs (compare Balcones Heights TX: 78/159 in Bexar County comparable; Helotes TX: 82/168 in Bexar County comparable; Leon Valley consistent soft from the same Bexar County Edwards Aquifer Cretaceous calcareous supply). The Edwards Aquifer — Cretaceous Edwards Limestone (calcareous — primary hardness contributor), Cretaceous Glen Rose Formation (calcareous — secondary contributor), and Cretaceous Bexar County Guadalupe Formation (slightly calcareous — minor TDS).
At 80.5 mg/L with TDS 164, Leon Valley's water is soft — minimal scale buildup. Annual descaling is appropriate. The PFAS level of 4.8 ppt is moderate — a certified drinking water filter provides added protection. Review the San Antonio Water System's annual water quality report.
Geology & Source: Leon Valley in Bexar County draws from the San Antonio Water on the Edwards Aquifer (Bexar County, south-central Texas) — the Edwards Plateau at Bexar County draws from Cretaceous Edwards Limestone (calcareous) and Cretaceous Glen Rose Formation (calcareous) — Texas Bexar County Edwards Aquifer Cretaceous calcareous supply produces soft water at 80.5 mg/L with TDS 163.8 mg/L.