How deep are water wells in Rains County, Texas?

Half of the home water wells drilled in Rains County since 2001 are between 204 and 364 feet deep. The median is 260 feet, based on 63 driller reports filed with the state. Drillers measured the water standing a median 70 feet below the surface (50 wells). That is close to 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)
204 to 364 ft
Median depth
260 feet
Deepest 10% are past
403 feet
Water level (median)
70 feet (50 wells)
Yield (median)
30 gallons per minute (6% pump-tested)
Wells used
63
Period
Since 2001
Latest report
July 31, 2025
Depth rank
130 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 502
50 to 1003
100 to 1506
150 to 2004
200 to 25015
250 to 30010
300 to 3504
350 to 4007
400 to 4507
500 to 5503
550 to 6001
600 to 6501

Are wells in Rains County getting deeper?

Rains 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 Carrizo-Wilcox, a major aquifer, at the surface (outcrop) across 64% of the county.

What a well costs in Rains County

At the median depth for Rains County (260 feet), a complete home well (drilling, casing, pump, pressure tank and hookup at the well) would cost roughly $9,000 to $22,000, 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 Rains County?

The middle half of home wells drilled there are 204 to 364 feet deep; one in ten goes past 403 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 Rains County?

At the median depth (260 feet), a complete well would cost roughly $9,000 to $22,000 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 Rains County?

Drillers reported a median of 30 gallons per minute (51 wells). Only 6% of those figures come from a pump test; the rest are the driller's estimate, so treat them as a guide.

Are wells in Rains County getting deeper?

Rains 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