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How deep are water wells in Marble Falls, Texas?

Home water wells in and around Marble Falls, Texas are typically 140 to 345 feet deep (median 245 ft, 93 wells drilled in the last 10 years). New wells run about 35% deeper than 20 years ago (median 192 ft in 2003 to 2007, 260 ft in 2021 to 2025). Estimated cost of a complete well at the median depth: $8,500 to $21,000.

Updated every day from Texas Water Development Board driller reports. Last update: November 11, 2026, using the state file of November 10, 2026.

See the wells and layers at an exact pointBurnet County
What is under Marble Falls, TexasUnderground column at the center of Marble Falls: median well 245 ft, middle half 140 to 345 ft, water at 54 ft.No state layer model here yet0200400600800ftGround levelMedian well: 245 ftWater standing in the well from 54 ftWater level54 ftMiddle half140–345 ftMedian well245 ft

Under Marble Falls, Burnet County

The well and the water are the median of 93 real wells. This atlas does not have a state layer model for this area yet.

Home wells in and around Marble Falls

Each dot is a home well from a state driller report, colored by depth. Tap one for its details and official report. Tap an empty spot to see what is under that point.

See underground

Well depth (ft)

  • <100
  • 100
  • 200
  • 300
  • 400
  • 600
  • 800+

Dashed line: Marble Falls and about 2 miles around it

Key figures

Typical depth (middle half)
140 to 345 feet
Median depth
245 feet
Deepest 10% are past
592 feet
Water level (median)
54 feet
34 wells
Yield (median)
24 gpm
80 wells, gallons per minute
Wells used
93
In the last 10 years
Inside the city limits
21
the rest within 2 miles
All years on file
345
median 220 ft, since 2001
Confidence
Standard (30 or more wells)

When the wells were finished, the water stood a median 54 feet below the surface (34 wells), well above the bottom: the typical well holds about 191 feet of water.

What is under Marble Falls, TexasUnderground column at the center of Marble Falls: median well 245 ft, middle half 140 to 345 ft, water at 54 ft.No state layer model here yet0200400600800ftGround levelMedian well: 245 ftWater standing in the well from 54 ftWater level54 ftMiddle half140–345 ftMedian well245 ft
The well and the water are the median of 93 real wells. This atlas does not have a state layer model for this area yet.

Which formation do wells in Marble Falls draw from?

We cannot say yet for Marble Falls. This atlas assigns layers with the TWDB layered models processed so far (the Northern Trinity and Woodbine model, the Hill Country Trinity model, the northern Gulf Coast Aquifer model and the High Plains Aquifer System model), and none covers this area with enough wells. The depth, water level and yield on this page do come from the real wells here.

See the aquifers mapped under Burnet County

Depth over time

New home wells in and around Marble Falls are deeper than 20 years ago: the median went from 192 feet (2003 to 2007) to 260 feet (2021 to 2025), 35% more. Deeper wells do not always mean the water dropped: a driller may be going for another layer, better water or more reserve.

PeriodMedian depth (ft)Wells
2001–2005192104
2006–201020094
2011–201520547
2016–202022049
2021–202526048
2026under 10 wells3

What a well costs in Marble Falls

At the median depth for Marble Falls (245 feet), a complete home well would cost roughly $8,500 to $21,000: $25 to $60 per foot for drilling, casing and seal, plus $2,500 to $6,500 for the pump, pressure tank, controls and hookup at the well. Across the whole middle half of depths (140 to 345 feet) the range runs from $6,000 to $27,000. This is TerraFunded's estimate from published Texas prices, not a quote, and it leaves out trenching and the line to the house. Get prices from at least two licensed drillers.

Where it sits

Nearby places

Median depth of home wells in each place.

All Texas cities and towns

Common questions

How deep do you have to drill a well in Marble Falls, Texas?

Home water wells in and around Marble Falls, Texas are typically 140 to 345 feet deep (median 245 ft, 93 wells drilled in the last 10 years). One in ten goes past 592 feet. The depth a given tract needs depends on where it sits and what layers the driller hits.

How much does a water well cost in Marble Falls?

At the median depth (245 feet), a complete well would cost roughly $8,500 to $21,000, by TerraFunded's estimate from published Texas driller prices. The real price comes from a licensed driller's quote.

How deep is the water in Marble Falls?

When the wells were finished, the water stood a median 54 feet below the surface (34 wells), well above the bottom: the typical well holds about 191 feet of water. The level moves with drought and from one well to the next.

Do I need a permit to drill a well in Marble Falls?

Marble Falls is inside the Central Texas Groundwater Conservation District. Groundwater conservation districts in Texas can require registering or permitting a new well, keeping set distances from property lines and other wells, and paying fees. Rules differ from district to district: ask the district before drilling.

How these numbers are made

We count new and replacement domestic (home) wells whose coordinates fall inside the place boundary or within 2 miles of it. We use the last 10 years when there are at least 30 wells; otherwise all since 2001. The median is the middle well and the middle half runs from the 25th to the 75th percentile.

These are depths of real wells drilled nearby, not a promise about any property. Groundwater can change over short distances and with drought. A licensed water well driller can tell you what to expect on a specific tract.

Read the full methodology · Download the data (CSV, CC BY 4.0)

How to cite

TerraFunded (2026). Texas Well Atlas: Underground. From Texas Water Development Board driller reports and groundwater availability models (data as of November 10, 2026). https://terrafunded.com/wells/places/marble-falls-tx. License CC BY 4.0. https://doi.org/10.5281/zenodo.24126380.

Sources