⟁ Texas Water Well Reports field records · 2026 survey

Texas Water Well Reports › Wilson County › ZIP 78121

ZIP 78121, Wilson County: well depth, water level & drilling cost

✓ 844 TDLR SDR records · Wilson County

375 ftmedian well depth
300 ft–422 fttypical depth range
140 ftmedian static water level
30 gpmmedian yield (826 tests)

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How deep are wells in ZIP 78121, Texas?

The median drilled well depth in ZIP 78121 is 375 ft, based on 844 wells with recorded depths in the state TDLR SDR database. Half fall between 300 ft and 422 ft; 90% are shallower than 465 ft.

How much does it cost to drill a well in ZIP 78121?

Applying published per-foot rates to the local median depth of 383 ft: drilling and casing alone typically runs $9,575–$24,895; a complete system including pump, pressure tank, and hookup typically runs $22,980–$38,300. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in ZIP 78121?

The median static water level is 140 ft below ground surface (middle half of wells: 81 ft–180 ft), from 818 measurements.

Drilled depth distribution

0–50 ft 2 50–100 ft 4 100–150 ft 6 150–200 ft 37 200–300 ft 149 300–400 ft 305 400–600 ft 334 600+ ft 7
Looking at a specific property in ZIP 78121?

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Get quotes from drillers who work in ZIP 78121

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Part of Wilson County well records.

Method: medians computed from TDLR SDR records (water-supply wells only (domestic, irrigation, stock, public supply, industrial) — monitoring, environmental borings, test holes, injection and geothermal excluded; depths 0–5,000 ft), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.