How deep are water wells in Lamb County, Texas?

Half of the home water wells drilled in Lamb County in the last 10 years are between 188 and 330 feet deep. The median is 223 feet, based on 124 driller reports filed with the state. Drillers measured the water standing a median 140 feet below the surface (12 wells). That is shallower than the Texas median of 250 feet.

Updated every day from Texas Water Development Board driller reports. Last update: November 10, 2026, using the state file of November 9, 2026. 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.

Key figures

Typical depth (middle half)
188 to 330 ft
Median depth
223 feet
Deepest 10% are past
352 feet
Water level (median)
140 feet (12 wells)
Wells used
124
Period
Last 10 years
Latest report
May 20, 2026
Depth rank
146 of 245 (1 = deepest)
Confidence
Standard

How deep the wells are

Number of home wells by depth, last 10 years (or since 2001 where wells are few).

Depth (ft)Wells
0 to 501
50 to 1007
100 to 15015
150 to 20019
200 to 25031
250 to 3005
300 to 35030
350 to 40015
400 to 4501

Median depth by year

Median depth of home wells finished each year. Years with fewer than 10 wells are not shown.

YearMedian (ft)Wells
200321517
200425014
200622113
200721913
200819713
200920918
201022015
201121812
201220911
201319811
201421825
201523814
202021914
202124222
202232215
202320511
202419511
202524815
202616010

Are wells in Lamb County getting deeper?

Home well depth in Lamb County has not changed meaningfully: the median was 217 feet in 2003 to 2007 and 230 feet in 2021 to 2025 (a difference under 10% or within the margin of error). Read the 20-year study.

Aquifers under the county

The Texas Water Development Board maps the Ogallala, a major aquifer, at the surface (outcrop) across 100% of the county; the Edwards-Trinity (High Plains), a minor aquifer, under 25% of the county.

What a well costs in Lamb County

At the median depth for Lamb County (223 feet), a complete home well (drilling, casing, pump, pressure tank and hookup at the well) would cost roughly $8,000 to $20,000, by TerraFunded's estimate from published Texas prices. Trenching and the line to the house are extra. Get quotes from at least two licensed drillers.

Neighboring counties

Common questions

How deep do I need to drill a well in Lamb County?

The middle half of home wells drilled there are 188 to 330 feet deep; one in ten goes past 352 feet. The depth a given tract needs depends on where it is and what layers the driller hits.

How much does a water well cost in Lamb County?

At the median depth (223 feet), a complete well would cost roughly $8,000 to $20,000 by TerraFunded's estimate from published Texas driller prices ($25 to $60 per foot plus pump and equipment). The real price comes from a driller's quote.

Are wells in Lamb County getting deeper?

Home well depth in Lamb County has not changed meaningfully: the median was 217 feet in 2003 to 2007 and 230 feet in 2021 to 2025 (a difference under 10% or within the margin of error).

How do I see the well report for a property or a neighbor's well?

Every well drilled in Texas since 2001 has a public driller's report. On this page's map, tap a well to open its official report on the state's site, or look it up by location in the TWDB viewer.

How to read these numbers

Figures cover new and replacement domestic (home) wells, from the reports licensed drillers file with the state. Read the full methodology. Download the county table (CSV).

How to cite: TerraFunded Texas Well Atlas, from Texas Water Development Board driller reports (data as of November 9, 2026). https://terrafunded.com/wells

Sources

All counties