⟁ Texas Water Well Reports field records · 2026 survey

Texas Water Well Reports › Starr County › Santa Elena (78591)

Santa Elena, TX (78591): well depth, water level & drilling cost

✓ 181 TDLR SDR records · Starr County

455 ftmedian well depth
400 ft–535 fttypical depth range
190 ftmedian static water level
28 gpmmedian yield (174 tests)

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How deep are wells in and around Santa Elena (78591), Texas?

The median drilled well depth in and around Santa Elena (78591) is 455 ft, based on 181 wells with recorded depths in the state TDLR SDR database. Half fall between 400 ft and 535 ft; 90% are shallower than 600 ft.

How much does it cost to drill a well in and around Santa Elena (78591)?

Applying published per-foot rates to the local median depth of 455 ft: drilling and casing alone typically runs $11,375–$29,575; a complete system including pump, pressure tank, and hookup typically runs $27,300–$45,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Santa Elena (78591)?

The median static water level is 190 ft below ground surface (middle half of wells: 140 ft–220 ft), from 167 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 0 100–150 ft 3 150–200 ft 2 200–300 ft 3 300–400 ft 33 400–600 ft 115 600+ ft 25
Looking at a specific property in Santa Elena (78591)?

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Part of Starr 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.