Iowa Well Data › Clayton County

Clayton County, Iowa: well depth, owners & drilling cost

Name: Clayton County, Iowa water well statistics
Creator: Iowa Well Data
License: https://creativecommons.org/licenses/by/4.0/

✓ 3,925 Iowa DNR records · verified 2026-10-19

200 ftmedian well depth

113 ft–350 fttypical depth range

374 ftmedian depth since 2016

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How deep are wells in Clayton County, Iowa?

The median drilled well depth in Clayton County is 200 ft, based on 3,678 wells with recorded depths in the state Iowa DNR database. Half of all wells fall between 113 ft and 350 ft; 90% are shallower than 510 ft. Wells drilled since 2016 have a median depth of 374 ft.

How much does it cost to drill a well in Clayton County?

Applying published per-foot rates to the local median depth of 374 ft: drilling and casing alone typically runs $9,350–$24,310; a complete system including pump, pressure tank, and hookup typically runs $22,440–$37,400. Actual quotes depend on site access, geology, and casing requirements.

Drilled depth distribution

0–50 ft 499 50–100 ft 231 100–150 ft 371 150–200 ft 346 200–300 ft 989 300–400 ft 463 400–600 ft 577 600+ ft 202

Who drills wells in Clayton County?

Companies by number of wells completed in this county, per the well records Iowa drillers file with the DNR.

Driller	Wells since 2016
OGDEN,BEN - 6714	70
ERICKSON,CRAIG - 7918	59
HANDKE,JAMES - 10838	37
BRANDENBURG,NEIL - 1610	31
HALWEG, JR,DAVID - 10712	19
MARTIN,GARY - 3845	11
GINGERICH,KLINT - 2639	11
GINGERICH,CORWIN - 2638	11

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Well records by ZIP code in Clayton County

Median depth, water level, and yield for each ZIP code with recorded wells.

Guttenberg (52052) — 688 wells, median 85 ft
Garnavillo (52049) — 313 wells, median 200 ft
Edgewood (52042) — 306 wells, median 203 ft
Strawberry Point (52076) — 288 wells, median 200 ft
Elkader (52043) — 277 wells, median 250 ft
Monona (52159) — 264 wells, median 300 ft
Garber (52048) — 244 wells, median 195 ft
Elkport (52044) — 220 wells, median 250 ft
Volga (52077) — 220 wells, median 250 ft
Postville (52162) — 194 wells, median 202 ft
Mc Gregor (52157) — 185 wells, median 200 ft
North Buena Vista (52066) — 180 wells, median 200 ft
Saint Olaf (52072) — 172 wells, median 250 ft
Farmersburg (52047) — 158 wells, median 226 ft
Marquette (52158) — 125 wells, median 300 ft

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). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.