Cypress Water Hardness & Quality Report (2026)
Water Hardness
21.6 grains per gallon
Source
mixed
pH Level
8.5
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
1102.8 mg/L
Est. Daily Cost
$0.99
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 Cypress, your appliances are currently losing 45% efficiency due to mineral buildup.
| Appliance | In Cypress | 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 Cypress compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Cypress, Texas | 370.5 mg/L | 10.9 ppt | 🔴 Very Hard | mixed |
| Katy, Texas | 363 mg/L | 10.7 ppt | 🔴 Very Hard | mixed |
| Cinco Ranch, Texas | 276 mg/L | 8.9 ppt | 🔴 Very Hard | mixed |
| Alief, Texas | 145 mg/L | 6.1 ppt | 🟠 Hard | mixed |
| Mission Bend, Texas | 173 mg/L | 6.7 ppt | 🟠 Hard | mixed |
National Benchmark
How Cypress compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Cypress | 370.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Cypress's Water Unique?
Local geology and source profile
Cypress, Texas, an unincorporated community in Harris County, receives its water supply through the Harris County Municipal Utility Districts (MUDs) and the City of Houston's water distribution infrastructure, drawing from a blend of Gulf Coast Aquifer groundwater (Chicot and Evangeline Aquifer formations) and surface water from Barker and Addicks Reservoirs on Buffalo Bayou. The Houston Water system supplements supply through the Lake Houston and Lake Conroe surface water intakes. Harris County's vast MUD network manages distribution throughout Cypress's sprawling suburban landscape. Water hardness reaches 370.5 mg/L — extremely hard and among the highest for a major Texas suburban community.
Cypress's extreme hardness is rooted in the geology of the Gulf Coast Aquifer and Houston–Harris County watershed. The Chicot and Evangeline Aquifers — the primary groundwater sources — are composed of Quaternary and Tertiary sand, silt, and clay beds interspersed with Cretaceous Austin Chalk and calcareous marl derived from ancient Gulf of Mexico seafloor sediments. As groundwater percolates through these calcium carbonate-rich Tertiary formations, it accumulates very high dissolved calcium and bicarbonate loads. Surface water from Buffalo Bayou and Lake Houston drains Houston's extensive agricultural and suburban hinterland over carbonate-rich coastal plain soils, adding further hardness to the blended supply.
At 370.5 mg/L, Cypress households face extreme limescale challenges. Showerheads and faucet aerators clog quickly with mineral deposits — weekly cleaning with descaling products is standard practice. Water heaters experience accelerated element failure and reduced efficiency without frequent descaling; a whole-house water softener is strongly recommended by local plumbers as standard equipment. Dishwashers consistently leave glassware spotty without rinse-aid, and tile, glass, and chrome surfaces require regular acidic cleaning to control calcium build-up throughout the home.
Geology & Source: Mixed surface water from the Barker Reservoir and Addicks Reservoir on Buffalo Bayou and groundwater from the Gulf Coast Aquifer (Evangeline and Chicot Aquifers) — Cretaceous Austin Chalk and Tertiary Fleming Formation sediments contribute very high calcium and bicarbonate loads across the greater Houston–Harris County watershed, producing extremely hard supply at 370.5 mg/L.