⟁ Missouri Well Data field records · 2026 survey

Missouri Well Data › St. Charles County › Defiance (63341)

Defiance, MO (63341): well depth, water level & drilling cost

✓ 155 MoDNR records · St. Charles County

450 ftmedian well depth
359 ft–560 fttypical depth range
150 ftmedian static water level
33 gpmmedian yield (146 tests)

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How deep are wells in and around Defiance (63341), Missouri?

The median drilled well depth in and around Defiance (63341) is 450 ft, based on 152 wells with recorded depths in the state MoDNR database. Half fall between 359 ft and 560 ft; 90% are shallower than 640 ft.

How much does it cost to drill a well in and around Defiance (63341)?

Applying published per-foot rates to the local median depth of 450 ft: drilling and casing alone typically runs $11,250–$29,250; a complete system including pump, pressure tank, and hookup typically runs $27,000–$45,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Defiance (63341)?

The median static water level is 150 ft below ground surface (middle half of wells: 100 ft–200 ft), from 141 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 0 100–150 ft 6 150–200 ft 2 200–300 ft 10 300–400 ft 31 400–600 ft 74 600+ ft 29
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Part of St. Charles County well records.

Method: medians computed from MoDNR records (MoDNR certified water wells; depths 0-5,000 ft, with the file's 99999.9 and 88888 sentinel values excluded rather than clamped), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.