⟁ 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

✓ 232 TDLR SDR records · Grimes County

384 ftmedian well depth
302 ft–473 fttypical depth range
91 ftmedian static water level
45 gpmmedian yield (186 tests)

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

The median drilled well depth in Iola (77861) is 384 ft, based on 232 wells with recorded depths in the state TDLR SDR database. Half fall between 302 ft and 473 ft; 90% are shallower than 540 ft.

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

Applying published per-foot rates to the local median depth of 384 ft: drilling and casing alone typically runs $9,600–$24,960; a complete system including pump, pressure tank, and hookup typically runs $23,040–$38,400. 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 215 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 1 100–150 ft 2 150–200 ft 9 200–300 ft 34 300–400 ft 81 400–600 ft 94 600+ ft 11
Looking at a specific property in Iola (77861)?

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Get quotes from drillers who work 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.