How deep are water wells in Houston County, Texas?

Half of the home water wells drilled in Houston County in the last 10 years are between 272 and 428 feet deep. The median is 349 feet, based on 278 driller reports filed with the state. Drillers measured the water standing a median 96 feet below the surface (252 wells). That is deeper 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)
272 to 428 ft
Median depth
349 feet
Deepest 10% are past
536 feet
Water level (median)
96 feet (252 wells)
Yield (median)
20 gallons per minute (25% pump-tested)
Wells used
278
Period
Last 10 years
Latest report
October 22, 2026
Depth rank
96 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 1009
100 to 1508
150 to 20015
200 to 25026
250 to 30030
300 to 35050
350 to 40040
400 to 45037
450 to 50023
500 to 55014
550 to 60011
600 to 65010
700 to 7503
950 to 1,0001

Median depth by year

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

YearMedian (ft)Wells
200320410
200425026
200637619
200830415
200925618
201129228
201234537
201327434
201429632
201528515
201647910
201838214
202032622
202133033
202237022
202336342
202436835
202533354
202633838

Are wells in Houston County getting deeper?

Home well depth in Houston County has not changed meaningfully: the median was 297 feet in 2003 to 2007 and 352 feet in 2021 to 2025 (a difference under 10% or within the margin of error). The water level has not changed meaningfully (86 feet then, 92 feet now). Read the 20-year study.

Aquifers under the county

The Texas Water Development Board maps the Carrizo-Wilcox, a major aquifer, below other rock (subsurface) across 98% of the county; the Queen City, a minor aquifer, under 89% of the county; the Sparta, a minor aquifer, under 86% of the county; the Yegua-Jackson, a minor aquifer, under 42% of the county.

What a well costs in Houston County

At the median depth for Houston County (349 feet), a complete home well (drilling, casing, pump, pressure tank and hookup at the well) would cost roughly $11,000 to $27,500, 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 Houston County?

The middle half of home wells drilled there are 272 to 428 feet deep; one in ten goes past 536 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 Houston County?

At the median depth (349 feet), a complete well would cost roughly $11,000 to $27,500 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.

How much water does a well produce in Houston County?

Drillers reported a median of 20 gallons per minute (256 wells). Only 25% of those figures come from a pump test; the rest are the driller's estimate, so treat them as a guide.

Are wells in Houston County getting deeper?

Home well depth in Houston County has not changed meaningfully: the median was 297 feet in 2003 to 2007 and 352 feet in 2021 to 2025 (a difference under 10% or within the margin of error). The water level has not changed meaningfully (86 feet then, 92 feet now).

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