How deep are water wells in Willacy County, Texas?

Only 17 home water wells have been reported in Willacy County since 2001, so this is a rough guide: the middle half are 45 to 850 feet deep, with a median of 740 feet. Note that wells here split between shallow and very deep ones, so the median alone can mislead. Search the exact point of the land. Drillers measured the water standing a median 34 feet below the surface (16 wells).

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)
45 to 850 ft
Median depth
740 feet
Deepest 10% are past
888 feet
Water level (median)
34 feet (16 wells)
Yield (median)
45 gallons per minute (40% pump-tested)
Wells used
17
Period
Since 2001
Latest report
June 2, 2023
Confidence
Few wells

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 505
50 to 1002
500 to 5501
700 to 7501
800 to 8503
850 to 9003
900 to 9501
1,000 to 1,2501

Are wells in Willacy County getting deeper?

Willacy County does not have enough domestic wells in both 2003 to 2007 and 2021 to 2025 (at least 30 in each) to compare. Read the 20-year study.

Aquifers under the county

The Texas Water Development Board maps the Gulf Coast, a major aquifer, at the surface (outcrop) across 43% of the county.

What a well costs in Willacy County

At the median depth for Willacy County (740 feet), a complete home well (drilling, casing, pump, pressure tank and hookup at the well) would cost roughly $21,000 to $51,000, 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 Willacy County?

The middle half of home wells drilled there are 45 to 850 feet deep; one in ten goes past 888 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 Willacy County?

At the median depth (740 feet), a complete well would cost roughly $21,000 to $51,000 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.

How much water does a well produce in Willacy County?

Drillers reported a median of 45 gallons per minute (10 wells). Only 40% of those figures come from a pump test; the rest are the driller's estimate, so treat them as a guide.

Are wells in Willacy County getting deeper?

Willacy County does not have enough domestic wells in both 2003 to 2007 and 2021 to 2025 (at least 30 in each) to compare.

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