Fresno Water Hardness & Quality Report (2026)
Water Hardness
21.1 grains per gallon
Source
mixed
pH Level
8.5
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
1065.1 mg/L
Est. Daily Cost
$0.96
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 Fresno, your appliances are currently losing 45% efficiency due to mineral buildup.
| Appliance | In Fresno | 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 Fresno compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Fresno, Texas | 361.5 mg/L | 10.7 ppt | 🔴 Very Hard | mixed |
| Sienna Plantation, Texas | 373.5 mg/L | 11 ppt | 🔴 Very Hard | mixed |
| Missouri City, Texas | 183.5 mg/L | 7 ppt | 🔴 Very Hard | mixed |
| Stafford, Texas | 407.5 mg/L | 11.7 ppt | 🔴 Very Hard | mixed |
| Pearland, Texas | 346 mg/L | 10.4 ppt | 🔴 Very Hard | mixed |
National Benchmark
How Fresno compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Fresno | 361.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Fresno's Water Unique?
Local geology and source profile
Fresno, Texas, in Fort Bend County — a Fort Bend County unincorporated community adjacent to Missouri City and Stafford, in the southwest Houston-Fort Bend suburban corridor — receives its municipal water from a Fort Bend County Municipal Utility District (MUD), drawing from the Gulf Coast Aquifer (Chicot Aquifer) and Brazos River surface water in the Fort Bend-Houston supply network.
The very hard 361.5 mg/L hardness and extreme TDS of 1065.1 mg/L — among the highest values in the entire Houston metro area — reflect the Fort Bend County Gulf Coast Aquifer's extreme evaporite-salt dissolution character. The Chicot Aquifer in Fort Bend County is influenced by the underlying Frio Formation evaporite dissolution (deep Tertiary-Cretaceous salt and sulfate formations), the Beaumont Clay Formation (calcareous marine), and the Gulf Coast subsurface salt dome belt. The Fort Bend County Chicot zone in the Fresno-Missouri City corridor is among the most mineralized in the greater Houston area — more extreme than even the southwest Houston readings.
At 361.5 mg/L with TDS 1065 mg/L, Fresno's water is very hard and extremely mineralized. A whole-house water softener is strongly recommended and kitchen reverse osmosis filtration is essential given the extreme TDS. The PFAS level of 10.7 ppt warrants a certified reverse osmosis filter — the Houston-Fort Bend petrochemical-refining corridor (Brazos River and Gulf Coast — major AFFF-using industrial facilities), the Johnson Space Center (Clear Lake, Harris County) PFAS legacy, and the Fort Bend MUD PFAS network contribute to Fresno's elevated readings.
Geology & Source: Fresno in Fort Bend County draws from a Fort Bend County MUD on the Gulf Coast Chicot Aquifer (Fort Bend County) — the Chicot accesses Tertiary-Pleistocene calcareous marine sand influenced by deep salt dome dissolution (extreme evaporite mineral load, Fort Bend-Brazoria zone) — Gulf Coast Chicot Aquifer extreme evaporite produces very hard water at 361.5 mg/L with extreme TDS 1065 mg/L in this Fort Bend County Texas community.