How does Brushy Creek's water compare to the national average?

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

Brushy Creek 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

0.007 mg/L

✓ Below action level

TDS

1065.4 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 Brushy Creek, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Brushy Creek	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 Brushy Creek compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Brushy Creek, Texas	≈ 120–179 mg/L	10.7 ppt	🟠 Hard	mixed
Round Rock, Texas	239 mg/L	30.1 ppt	🔴 Very Hard	reservoir
Jollyville, Texas	≈ 180+ mg/L	6.9 ppt	🔴 Very Hard	mixed
Cedar Park, Texas	≈ 180+ mg/L	5 ppt	🔴 Very Hard	reservoir
Wells Branch, Texas	≈ 120–179 mg/L	8.2 ppt	🟠 Hard	groundwater

National Benchmark

How Brushy Creek compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Brushy Creek	≈ 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 Brushy Creek's Water Unique?

Local geology and source profile

Source: MixedTDS: 1065.4 mg/LpH: 8.5

Brushy Creek Municipal Utility District (BCMUD) serves over 85,000 residents in the Brushy Creek area of Williamson County, Texas. The utility operates two water treatment sources: Lake Georgetown as the primary surface water supply, operated by the Brazos River Authority, and a groundwater well field off Sam Bass Road as the secondary source. Water is treated at the Brushy Creek Water Treatment Facility before distribution, and the utility conducts hardness testing on a weekly basis, publishing results on its website to help customers configure softening systems.

The Brushy Creek watershed is located within the Colorado River basin in Central Texas. The primary source, Lake Georgetown, collects runoff from limestone and chalk deposits characteristic of the region. The secondary source draws from the Edwards Aquifer, a Cretaceous-age limestone formation composed largely of calcium and magnesium carbonates — typical of the Texas Hill Country and Edwards Plateau karst geology — which naturally produces hard water as precipitation percolates through carbonate-rich rock layers.

BCMUD's water is classified as hard. Residents may experience bathtub rings, soap scum deposits, spots on dishes and shower doors, and scale buildup inside faucets and showerheads. The utility recommends water softeners for households concerned with these effects and publishes weekly hardness data to support proper softener configuration. Hard water is not a health concern but reduces soap and detergent effectiveness and increases maintenance needs for appliances such as water heaters and dishwashers. Customers with questions may contact BCMUD Customer Service at 512-255-7871 ext. 1.

Geology & Source: Williamson County, Central Texas — Lake Georgetown limestone and chalk runoff; Edwards Aquifer Cretaceous limestone with calcium and magnesium carbonates; Texas Hill Country karst geology produces hard water

Other Texas Water Reports

Round Rock

239 mg/L

🔴 Very Hard

Jollyville

≈ 180+ mg/L

🔴 Very Hard

Cedar Park

≈ 180+ mg/L

🔴 Very Hard

Wells Branch

≈ 120–179 mg/L

🟠 Hard

Report an Issue

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 Brushy Creek's water safe to drink?

Yes. Brushy Creek'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 Brushy Creek?

At ≈ 120–179 mg/L (Hard), Brushy Creek'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 Brushy Creek compare to the USA average?

The USA national average is 151 mg/L. Brushy Creek (≈ 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 Brushy Creek 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.