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Water wells in the Woodbine Aquifer, Denton County, Texas

Home water wells that draw from the Woodbine Aquifer in Denton County, Texas are typically 190 to 300 feet deep (median 260 ft, 87 wells drilled in the last 10 years). It accounts for 10% of the 888 county wells the state's model covers; the main layer is the upper Trinity (Paluxy and Glen Rose) (86%). They run about 180 feet shallower than the county's median well (440 ft). Estimated cost of a complete well at the median depth: $9,000 to $22,000.

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

All wells in Denton CountyWoodbine across Texas

Which layer Denton County wells draw from

Under Denton, Denton County

County home wells covered by the Northern Trinity and Woodbine model (in the last 10 years).

Home wells in Denton County

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+

Dark line: Denton County

Key figures

Typical depth (middle half)
190 to 300 feet
Median depth
260 feet
Deepest 10% are past
374 feet
Water level (median)
110 feet
46 wells
Yield (median)
17 gpm
67 wells, gallons per minute
Wells used
87
In the last 10 years
Share of the county's wells
10%
All years on file
255
median 240 ft, since 2001
Confidence
Standard (30 or more wells)

When the wells were finished, the water stood a median 110 feet below the surface (46 wells), well above the bottom: the typical well holds about 150 feet of water.

Which layer Denton County wells draw from

County home wells covered by the Northern Trinity and Woodbine model (in the last 10 years).

What this layer is

The Woodbine is a sandstone with shale beds (the Lewisville and Dexter formations, and the Pepper Shale to the south) that sits above the Trinity across North Texas. The state lists it as a minor aquifer.

More about the Woodbine Aquifer

Depth over time

Home well depth in this layer in Denton County has not changed meaningfully in 20 years: the median was 235 feet in 2003 to 2007 and 255 feet in 2021 to 2025 (a difference under 10% or within the margin of error).

PeriodMedian depth (ft)Wells
2001–200525456
2006–201021858
2011–201522048
2016–202024033
2021–202525552
2026under 10 wells8

Places in Denton County with wells in this layer

Common questions

How deep is a well in the Woodbine Aquifer in Denton County?

Home water wells that draw from the Woodbine Aquifer in Denton County, Texas are typically 190 to 300 feet deep (median 260 ft, 87 wells drilled in the last 10 years).

How many Denton County wells draw from this layer?

It accounts for 10% of the 888 county wells the state's model covers; the main layer is the upper Trinity (Paluxy and Glen Rose) (86%). For 97% of these wells the report says where the water enters (the screen or the open hole), and we use the middle of that interval.

How deep does the water stand?

When the wells were finished, the water stood a median 110 feet below the surface (46 wells), well above the bottom: the typical well holds about 150 feet of water.

What a well costs here

At the median depth for this layer in Denton County (260 feet), a complete home well would cost roughly $9,000 to $22,000: $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 (190 to 300 feet) the range runs from $7,500 to $24,500. 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.

How these numbers are made

We count new and replacement domestic (home) wells with a valid depth on their report. 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.

To tell which layer a well draws from, we take the ground elevation at its location, subtract the depth of the interval where water enters (or the bottom of the hole when the report does not give one) and see which layer of the state's model that point falls in.

For 97% of these wells the report says where the water enters (the screen or the open hole), and we use the middle of that interval.

How well it works: In 7,977 wells in the area of the state's Northern Trinity and Woodbine model (North and Central Texas) where the State of Texas recorded the aquifer, our estimate of the formation the well draws from names the same layer of the state's model in about 74% of them, and that layer or the one next to it in at least 95%; among the 3,130 of those wells that the state places in a Trinity layer (Paluxy to Hosston) it is about 56%.

  • The layers come from the Texas Water Development Board's Northern Trinity and Woodbine model, with quarter mile cells, summarized here to about 1.3 miles. It is a regional model, not a survey of any lot: between one model point and the next, the real depth of each layer can differ.
  • In this model every layer is at least 30 feet thick, even where the real rock is thinner or missing. Thin layers and the edges of the model are approximate.
  • Inside the Trinity this atlas does not name single model layers: it groups the Paluxy and Glen Rose (upper Trinity) and groups the Hensell, Pearsall and Hosston (lower Trinity, Twin Mountains and Travis Peak), because the check against the state's codes shows the method cannot separate them reliably.
  • "Near or below the base of the Trinity" means the well reaches the bottom of the model or passes it, often by tens of feet. Older rock that the model does not include may lie there.
  • We never use the model's water levels. The water level on this page is the one each driller measured when the well was finished.

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/denton-county/woodbine. License CC BY 4.0. https://doi.org/10.5281/zenodo.24126380.

Sources