How deep are water wells in Terry County, Texas?
Half of the home water wells drilled in Terry County in the last 10 years are between 120 and 175 feet deep. The median is 145 feet, based on 453 driller reports filed with the state. Drillers measured the water standing a median 89 feet below the surface (105 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)
- 120 to 175 ft
- Median depth
- 145 feet
- Deepest 10% are past
- 300 feet
- Water level (median)
- 89 feet (105 wells)
- Wells used
- 453
- Period
- Last 10 years
- Latest report
- September 28, 2026
- Depth rank
- 200 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 |
|---|---|
| 50 to 100 | 47 |
| 100 to 150 | 189 |
| 150 to 200 | 148 |
| 200 to 250 | 13 |
| 250 to 300 | 8 |
| 300 to 350 | 45 |
| 350 to 400 | 2 |
| 400 to 450 | 1 |
Median depth by year
Median depth of home wells finished each year. Years with fewer than 10 wells are not shown.
| Year | Median (ft) | Wells |
|---|---|---|
| 2002 | 149 | 14 |
| 2003 | 146 | 20 |
| 2005 | 142 | 21 |
| 2006 | 147 | 15 |
| 2007 | 142 | 10 |
| 2008 | 153 | 13 |
| 2009 | 120 | 25 |
| 2010 | 145 | 15 |
| 2011 | 138 | 34 |
| 2012 | 141 | 12 |
| 2013 | 128 | 24 |
| 2014 | 139 | 20 |
| 2015 | 152 | 24 |
| 2016 | 141 | 14 |
| 2017 | 166 | 22 |
| 2018 | 148 | 22 |
| 2019 | 122 | 39 |
| 2020 | 128 | 57 |
| 2021 | 160 | 45 |
| 2022 | 149 | 56 |
| 2023 | 145 | 63 |
| 2024 | 151 | 54 |
| 2025 | 154 | 54 |
| 2026 | 155 | 38 |
Are wells in Terry County getting deeper?
Home well depth in Terry County has not changed meaningfully: the median was 145 feet in 2003 to 2007 and 150 feet in 2021 to 2025 (a difference under 10% or within the margin of error). The water level has not changed meaningfully (80 feet then, 89 feet now). 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 100% of the county.
What a well costs in Terry County
At the median depth for Terry County (145 feet), a complete home well (drilling, casing, pump, pressure tank and hookup at the well) would cost roughly $6,000 to $15,000, 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
- Cochran County: median 205 ft
- Dawson County: median 168 ft
- Gaines County: median 200 ft
- Hockley County: median 155 ft
- Lubbock County: median 172 ft
- Lynn County: median 141 ft
- Yoakum County: median 180 ft
Common questions
How deep do I need to drill a well in Terry County?
The middle half of home wells drilled there are 120 to 175 feet deep; one in ten goes past 300 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 Terry County?
At the median depth (145 feet), a complete well would cost roughly $6,000 to $15,000 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 Terry County getting deeper?
Home well depth in Terry County has not changed meaningfully: the median was 145 feet in 2003 to 2007 and 150 feet in 2021 to 2025 (a difference under 10% or within the margin of error). The water level has not changed meaningfully (80 feet then, 89 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
- Texas Water Development Board, Submitted Driller's Reports database (file of 2026-11-10)
- U.S. Census Bureau, 2024 cartographic boundary file, counties (1:500,000) (file of 2025-04-10)
- Texas Water Development Board, major aquifers (updated December 2006) (file of 2007-01-03)
- Texas Water Development Board, minor aquifers (updated December 2017) (file of 2017-12-15)
- TWDB well report viewer