⟁ Iowa Well Data field records · 2026 survey

Iowa Well Data › Monona County › Onawa (51040)

Onawa, IA (51040): well depth, water level & drilling cost

✓ 349 Iowa DNR records · Monona County

100 ftmedian well depth
85 ft–102 fttypical depth range
—median static water level
—median yield (— tests)

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How deep are wells in and around Onawa (51040), Iowa?

The median drilled well depth in and around Onawa (51040) is 100 ft, based on 322 wells with recorded depths in the state Iowa DNR database. Half fall between 85 ft and 102 ft; 90% are shallower than 109 ft.

How much does it cost to drill a well in and around Onawa (51040)?

Applying published per-foot rates to the local median depth of 100 ft: drilling and casing alone typically runs $2,500–$6,500; a complete system including pump, pressure tank, and hookup typically runs $6,000–$10,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Onawa (51040)?

Few static water level measurements are recorded for this area.

Drilled depth distribution

0–50 ft 51 50–100 ft 100 100–150 ft 170 150–200 ft 0 200–300 ft 1 300–400 ft 0 400–600 ft 0 600+ ft 0
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Part of Monona County well records.

Method: medians computed from Iowa DNR records (Iowa DNR Well Information System records, water-supply wells only (monitoring, test, dewatering, injection and closed-loop geothermal wells 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.