⟁ Texas Water Well Reports field records · 2026 survey

Texas Water Well Reports › Grimes County › Iola (77861)

Iola, TX (77861): well depth, water level & drilling cost

✓ 160 TDLR SDR records · Grimes County

368 ftmedian well depth
300 ft–450 fttypical depth range
91 ftmedian static water level
30 gpmmedian yield (116 tests)

How deep are wells in Iola (77861), Texas?

The median drilled well depth in Iola (77861) is 368 ft, based on 160 wells with recorded depths in the state TDLR SDR database. Half fall between 300 ft and 450 ft; 90% are shallower than 526 ft.

How much does it cost to drill a well in Iola (77861)?

Applying published per-foot rates to the local median depth of 395 ft: drilling and casing alone typically runs $9,875–$25,675; a complete system including pump, pressure tank, and hookup typically runs $23,700–$39,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Iola (77861)?

The median static water level is 91 ft below ground surface (middle half of wells: 70 ft–115 ft), from 151 measurements.

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Drilled depth distribution

0–50 ft 0 50–100 ft 1 100–150 ft 0 150–200 ft 8 200–300 ft 25 300–400 ft 62 400–600 ft 58 600+ ft 6
Looking at a specific property in Iola (77861)?

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Part of Grimes 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.