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How deep are water wells in Manchaca, Texas?

Home water wells in and around Manchaca, Texas are consistently 400 to 413 feet deep (median 400 ft, 73 wells reported since 2001). Estimated cost of a complete well at the median depth: $12,500 to $30,500.

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 pointTravis County
What is under Manchaca, TexasUnderground column at the center of Manchaca: median well 400 ft, middle half 400 to 413 ft, water at 185 ft.No state layer model here yet0100200300400500ftGround levelMedian well: 400 ftWater standing in the well from 185 ftWater level185 ftMiddle half400–413 ftMedian well400 ft

Under Manchaca, Travis County

The well and the water are the median of 73 real wells. This atlas does not have a state layer model for this area yet.

Home wells in and around Manchaca

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: Manchaca and about 2 miles around it

Key figures

Typical depth (middle half)
400 to 413 feet
Median depth
400 feet
Deepest 10% are past
450 feet
Water level (median)
185 feet
52 wells
Yield (median)
35 gpm
49 wells, gallons per minute
Wells used
73
Since 2001
Inside the city limits
8
the rest within 2 miles
All years on file
73
median 400 ft, since 2002
Confidence
Standard (30 or more wells)

When the wells were finished, the water stood a median 185 feet below the surface (52 wells).

What is under Manchaca, TexasUnderground column at the center of Manchaca: median well 400 ft, middle half 400 to 413 ft, water at 185 ft.No state layer model here yet0100200300400500ftGround levelMedian well: 400 ftWater standing in the well from 185 ftWater level185 ftMiddle half400–413 ftMedian well400 ft
The well and the water are the median of 73 real wells. This atlas does not have a state layer model for this area yet.

Which formation do wells in Manchaca draw from?

We cannot say yet for Manchaca. 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 Travis County

Depth over time

There are not enough wells in both 2003 to 2007 and 2021 to 2025 (at least 30 in each) to say with confidence whether wells in and around Manchaca are getting deeper. For reference, the median was 400 feet in 2001 to 2005 (20 wells) and 398 feet in 2021 to 2025 (10 wells).

PeriodMedian depth (ft)Wells
2001–200540020
2006–201040025
2011–2015under 10 wells9
2016–2020under 10 wells9
2021–202539810

What a well costs in Manchaca

At the median depth for Manchaca (400 feet), a complete home well would cost roughly $12,500 to $30,500: $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 (400 to 413 feet) the range runs from $12,500 to $31,500. 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 Manchaca, Texas?

Home water wells in and around Manchaca, Texas are consistently 400 to 413 feet deep (median 400 ft, 73 wells reported since 2001). One in ten goes past 450 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 Manchaca?

At the median depth (400 feet), a complete well would cost roughly $12,500 to $30,500, 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 Manchaca?

When the wells were finished, the water stood a median 185 feet below the surface (52 wells). The level moves with drought and from one well to the next.

Do I need a permit to drill a well in Manchaca?

Manchaca is inside the Barton Springs/Edwards Aquifer 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/manchaca-tx. License CC BY 4.0. https://doi.org/10.5281/zenodo.24126380.

Sources