⟁ Texas Water Well Reports field records · 2026 survey

Texas Water Well Reports › Starr County › San Isidro (78588)

San Isidro, TX (78588): well depth, water level & drilling cost

✓ 77 TDLR SDR records · Starr County

400 ftmedian well depth
200 ft–460 fttypical depth range
85 ftmedian static water level
25 gpmmedian yield (70 tests)

Pull every recorded well near a San Isidro (78588) address — $49

How deep are wells in and around San Isidro (78588), Texas?

The median drilled well depth in and around San Isidro (78588) is 400 ft, based on 77 wells with recorded depths in the state TDLR SDR database. Half fall between 200 ft and 460 ft; 90% are shallower than 562 ft.

How much does it cost to drill a well in and around San Isidro (78588)?

Applying published per-foot rates to the local median depth of 400 ft: drilling and casing alone typically runs $10,000–$26,000; a complete system including pump, pressure tank, and hookup typically runs $24,000–$40,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around San Isidro (78588)?

The median static water level is 85 ft below ground surface (middle half of wells: 50 ft–123 ft), from 76 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 2 100–150 ft 14 150–200 ft 3 200–300 ft 2 300–400 ft 15 400–600 ft 37 600+ ft 4
Looking at a specific property in San Isidro (78588)?

See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.

Free lookup Property report — $49
Get quotes from drillers who work in San Isidro (78588)

Free. Goes to licensed drillers working Starr County.

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.