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How deep are water wells in Crawford, Texas?

Only 27 home water wells in and around Crawford, Texas have been reported since 2001, so treat this as a rough guide: the middle half are 1,106 to 1,148 feet deep (median 1,120 ft). Most draw from the lower Trinity (Twin Mountains and Travis Peak, 70%), and 26% end near or below the base of the Trinity, according to the state's Northern Trinity and Woodbine model (TWDB). Estimated cost of a complete well at the median depth: $30,500 to $73,500.

This page is based on fewer than 30 wells, so it is kept out of search engines until more reports come in. Treat every figure as a rough guide.

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 pointMcLennan County
What is under Crawford, TexasUnderground column at the center of Crawford: median well 1,120 ft, middle half 1,106 to 1,148 ft, water at 648 ft, and the layers of the state's model with their thickness.Washita and Fredericksburg: 0 to 324 ftWashita and Frederick…Upper Trinity: 324 to 890 ftUpper TrinityLower Trinity: 890 to 1,105 ftLower TrinityBelow the base of the Trinity05001,0001,500ftGround level · 701 ft above sea levelMedian well: 1,120 ftWater standing in the well from 648 ftWater level648 ftMiddle half1,106–1,148 ftMedian well1,120 ft

Under Crawford, McLennan County

Layers at the center of Crawford from TWDB's Northern Trinity and Woodbine model (quarter mile cells, summarized here to about 1.3 miles), at true depth scale. The well and the water are the median of 27 real wells.

Home wells in and around Crawford

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: Crawford and about 2 miles around it

Key figures

Typical depth (middle half)
1,106 to 1,148 feet
Median depth
1,120 feet
Deepest 10% are past
1,188 feet
Water level (median)
648 feet
25 wells
Yield (median)
15 gpm
23 wells, gallons per minute
Wells used
27
Since 2001
Inside the city limits
0
the rest within 2 miles
All years on file
27
median 1,120 ft, since 2005
Confidence
Few wells (10 to 29)

When the wells were finished, the water stood a median 648 feet below the surface (25 wells).

What is under Crawford, TexasUnderground column at the center of Crawford: median well 1,120 ft, middle half 1,106 to 1,148 ft, water at 648 ft, and the layers of the state's model with their thickness.Washita and Fredericksburg: 0 to 324 ftWashita and Frederick…Upper Trinity: 324 to 890 ftUpper TrinityLower Trinity: 890 to 1,105 ftLower TrinityBelow the base of the Trinity05001,0001,500ftGround level · 701 ft above sea levelMedian well: 1,120 ftWater standing in the well from 648 ftWater level648 ftMiddle half1,106–1,148 ftMedian well1,120 ft
Layers at the center of Crawford from TWDB's Northern Trinity and Woodbine model (quarter mile cells, summarized here to about 1.3 miles), at true depth scale. The well and the water are the median of 27 real wells.

Which formation do wells in Crawford draw from?

Most draw from the lower Trinity (Twin Mountains and Travis Peak, 70%), and 26% end near or below the base of the Trinity, according to the state's Northern Trinity and Woodbine model (TWDB).

Only 19% bottom out inside the lower Trinity (Twin Mountains and Travis Peak): the rest keep going deeper but take their water from that layer. 78% of the wells bottom out near or below the base of the Trinity in the model, often within tens of feet of it; older rock may lie there.

Layer (state's model)ShareWellsTypical depth (ft)
Lower TrinityTwin Mountains and Travis Peak70%191,106–1,130
Near or below the base of the Trinity26%71,120–1,190
Upper TrinityPaluxy and Glen Rose4%1—

For 70% 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.

The layers under the center of Crawford

From the state's model, at 701 feet above sea level. These are the model's depths at that one point, not those of any particular lot.

Depths in feet below ground.
Layer (state's model)Top (ft)Bottom (ft)Thickness (ft)
Washita and Fredericksburglimestone, marl and clay0324324
Upper Trinitysandstone, limestone and marl324890566
Lower Trinitysandstone with shale and limestone8901,105215

Depth over time

Too few wells per period in and around Crawford to compare depth over time. Since 2005, 27 home wells have been reported, with a median of 1,120 feet.

PeriodMedian depth (ft)Wells
2001–2005under 10 wells1
2006–2010under 10 wells4
2011–2015under 10 wells2
2016–2020under 10 wells9
2021–20251,12010
2026under 10 wells1

What a well costs in Crawford

At the median depth for Crawford (1,120 feet), a complete home well would cost roughly $30,500 to $73,500: $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 (1,106 to 1,148 feet) the range runs from $30,000 to $75,500. 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 Crawford, Texas?

Only 27 home water wells in and around Crawford, Texas have been reported since 2001, so treat this as a rough guide: the middle half are 1,106 to 1,148 feet deep (median 1,120 ft). One in ten goes past 1,188 feet. The depth a given tract needs depends on where it sits and what layers the driller hits.

What aquifer or formation do wells in Crawford draw from?

Most draw from the lower Trinity (Twin Mountains and Travis Peak, 70%), and 26% end near or below the base of the Trinity, according to the state's Northern Trinity and Woodbine model (TWDB). This is an estimate from the state's regional model, not a survey of the lot.

How much does a water well cost in Crawford?

At the median depth (1,120 feet), a complete well would cost roughly $30,500 to $73,500, 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 Crawford?

When the wells were finished, the water stood a median 648 feet below the surface (25 wells). The level moves with drought and from one well to the next.

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

Crawford is inside the Southern Trinity 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.

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 70% 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/places/crawford-tx. License CC BY 4.0. https://doi.org/10.5281/zenodo.24126380.

Sources