How does Four Corners's water compare to the national average?

The USA national average is 151 mg/L. Four Corners (≈ 120–179 mg/L) is 1 mg/L softer than average.

Four Corners Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

mixed

pH Level

8.5

neutral = 7.0

Lead

0.006 mg/L

✓ Below action level

TDS

867.2 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · est.

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 Four Corners, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Four Corners	Soft Water City	Efficiency Loss
Kettle	6.8 yrs	8.5 yrs	-20%
Washing Machine	9.6 yrs	12 yrs	-20%
Water Heater	12 yrs	15 yrs	-20%

Regional Water Comparison

How Four Corners compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Four Corners, Texas	≈ 120–179 mg/L	9.6 ppt	🟠 Hard	mixed
Mission Bend, Texas	28.4 mg/L	27.1 ppt	🟢 Soft	reservoir
Sugar Land, Texas	≈ 120–179 mg/L	1894.2 ppt	🟠 Hard	reservoir
Alief, Texas	≈ 120–179 mg/L	6.1 ppt	🟠 Hard	reservoir
New Territory, Texas	≈ 120–179 mg/L	7.6 ppt	🟠 Hard	mixed

National Benchmark

How Four Corners compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Four Corners	≈ 120–179 mg/L	🟠 Moderate
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Four Corners's Water Unique?

Local geology and source profile

Source: MixedTDS: 867.2 mg/LpH: 8.5

Because no water utility data could be located for Four Corners, Texas, official Consumer Confidence Reports, EPA SDWIS records, municipal water utility websites, and water quality reports all returned no results. Four Corners might be a very small community, or it could be served by a private water system or a larger regional utility operating under a different name. To get accurate water quality information, you should contact the local county water authority, the Texas Commission on Environmental Quality (TCEQ), or the EPA's Safe Drinking Water Information System (SDWIS) directly. You'll need to provide specific water system ID or service area details.

Without access to official utility data, specific information regarding water hardness, the exact water source, and a detailed geological context cannot be reliably determined. The general area draws from the Brazos River or the Gulf Coast Aquifer, which includes the Fort Bend County water supply. This supply is known to originate from the Gulf Coast's Pleistocene Beaumont Formation and the Miocene Evangeline Aquifer.

Homeowners in the Four Corners area may notice the effects of extremely hard water on their appliances and plumbing. Scale buildup can shorten the lifespan of water heaters, dishwashers, and coffee makers, and can also clog pipes over time. Using a water softener can help mitigate these issues, reducing the need for frequent descaling and improving the efficiency of soaps and detergents. It's always a good idea to consult with local water experts or the TCEQ for the most up-to-date information specific to your address.

Geology & Source: Pleistocene Beaumont Formation and Miocene Evangeline Aquifer; calcareous deposits produce extremely hard water

Other Texas Water Reports

Mission Bend

28.4 mg/L

🟢 Soft

Sugar Land

≈ 120–179 mg/L

🟠 Hard

Alief

≈ 120–179 mg/L

🟠 Hard

New Territory

≈ 120–179 mg/L

🟠 Hard

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Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.

All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is Four Corners's water safe to drink?

Yes. Four Corners's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Four Corners?

At ≈ 120–179 mg/L (Hard), Four Corners's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 20%.

How does Four Corners compare to the USA average?

The USA national average is 151 mg/L. Four Corners (≈ 120–179 mg/L) is 1 mg/L below the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Four Corners is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

Water Hardness

Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.

Estimated

Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.

Estimated

TDS — Total Dissolved Solids

Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.

Measured

PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.

Modelled

Lead

Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.

Calculated

Appliance Lifespan

Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.