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Water wells in younger formations above the Woodbine, Kaufman County, Texas

Home water wells completed in younger formations above the Woodbine in Kaufman County, Texas are typically 64 to 120 feet deep (median 100 ft, 58 wells drilled in the last 10 years). It is the county's main layer: 100% of the 58 wells the state's model covers. They are about as deep as the county's median well (100 ft). Estimated cost of a complete well at the median depth: $5,000 to $12,500.

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 Kaufman CountyAbove the Woodbine across Texas

Which layer Kaufman County wells draw from

  • Above the Woodbine 100% · 58 wells

Under Combine, Kaufman County

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

Home wells in Kaufman 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: Kaufman County

Key figures

Typical depth (middle half)
64 to 120 feet
Median depth
100 feet
Deepest 10% are past
209 feet
Water level (median)
22 feet
39 wells
Yield (median)
15 gpm
47 wells, gallons per minute
Wells used
58
In the last 10 years
Share of the county's wells
100%
All years on file
155
median 97 ft, since 2000
Confidence
Standard (30 or more wells)

When the wells were finished, the water stood a median 22 feet below the surface (39 wells), well above the bottom: the typical well holds about 78 feet of water.

Which layer Kaufman County wells draw from

  • Above the Woodbine 100% · 58 wells
County home wells covered by the Northern Trinity and Woodbine model (in the last 10 years).

What this layer is

The state's Northern Trinity and Woodbine model treats everything above the Woodbine as a single layer: the Eagle Ford, Austin, Taylor and Navarro groups (mostly shale, chalk and marl) plus younger sands and river deposits where they exist. It is a catch-all, not one rock. In counties east and south of the Trinity outcrop, a home well in this layer is usually drawing from a younger local sand that this model does not separate.

More about younger formations above the Woodbine

Depth over time

Home well depth in this layer in Kaufman County has not changed meaningfully in 20 years: the median was 100 feet in 2003 to 2007 and 104 feet in 2021 to 2025 (a difference under 10% or within the margin of error).

PeriodMedian depth (ft)Wells
2001–20058426
2006–201010538
2011–20155928
2016–202010025
2021–202510430
2026under 10 wells7

Places in Kaufman County with wells in this layer

Common questions

How deep is a well in younger formations above the Woodbine in Kaufman County?

Home water wells completed in younger formations above the Woodbine in Kaufman County, Texas are typically 64 to 120 feet deep (median 100 ft, 58 wells drilled in the last 10 years).

How many Kaufman County wells draw from this layer?

It is the county's main layer: 100% of the 58 wells the state's model covers. For 88% of these wells the report says where the water enters and we use the middle of that interval; for the rest we use the bottom of the hole, which tends to read one layer too deep.

How deep does the water stand?

When the wells were finished, the water stood a median 22 feet below the surface (39 wells), well above the bottom: the typical well holds about 78 feet of water.

What a well costs here

At the median depth for this layer in Kaufman County (100 feet), a complete home well would cost roughly $5,000 to $12,500: $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 (64 to 120 feet) the range runs from $4,000 to $13,500. 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 88% of these wells the report says where the water enters and we use the middle of that interval; for the rest we use the bottom of the hole, which tends to read one layer too deep.

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/kaufman-county/younger-formations. License CC BY 4.0. https://doi.org/10.5281/zenodo.24126380.

Sources