Wisconsin Well Data › Sauk County

Sauk County, Wisconsin: well depth, water level & drilling cost

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

✓ 10,528 WI DNR records · verified 2026-09-28

140 ftmedian well depth

100 ft–200 fttypical depth range

55 ftmedian static water level

18 gpmmedian yield (8,065 tests)

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How deep are wells in Sauk County, Wisconsin?

The median drilled well depth in Sauk County is 140 ft, based on 7,741 wells with recorded depths in the state WI DNR database. Half of all wells fall between 100 ft and 200 ft; 90% are shallower than 300 ft. Wells drilled since 2016 have a median depth of 140 ft.

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

Applying published per-foot rates to the local median depth of 140 ft: drilling and casing alone typically runs $3,500–$9,100; a complete system including pump, pressure tank, and hookup typically runs $8,400–$14,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Sauk County?

The median static water level is 55 ft below ground surface (middle half of wells: 25 ft–93 ft), from 8,556 measurements.

How much water do wells in Sauk County produce?

The median tested yield is 18 gpm (middle half: 12 gpm–20 gpm), from 8,065 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 368 50–100 ft 1,245 100–150 ft 2,790 150–200 ft 1,330 200–300 ft 1,193 300–400 ft 517 400–600 ft 283 600+ ft 15

Who drills wells in Sauk County?

Companies by number of wells completed in this county since 2016, per filed well construction reports (Wisconsin DNR).

Driller	Wells since 2016
SAM'S WELL DRILLING INC	520
MARSHALL WELL DRILLING CORP	165
KOUBA DRILLING LLC	78
RODAMAKER, ROBERT J	71
WEBSTER BRAD & SONS DRILLING INC	67
SAM'S WELL DRILLING	54
MCAFEE WELL DRLG & PUMP SERV INC	48
WALKER, BRUCE A	27

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Well records by ZIP code in Sauk County

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

Lake Delton (53940) — 1,945 wells, median 127 ft
Baraboo (53913) — 1,450 wells, median 180 ft
La Valle (53941) — 1,192 wells, median 130 ft
Reedsburg (53959) — 993 wells, median 108 ft
Spring Green (53588) — 795 wells, median 90 ft
Prairie Du Sac (53578) — 685 wells, median 141 ft
Wonewoc (53968) — 541 wells, median 170 ft
Rock Springs (53961) — 502 wells, median 142 ft
Plain (53577) — 419 wells, median 163 ft
Hillpoint (53937) — 391 wells, median 175 ft
Lime Ridge (53942) — 335 wells, median 185 ft
North Freedom (53951) — 303 wells, median 183 ft
Loganville (53943) — 266 wells, median 175 ft
Reedsburg (53958) — 245 wells, median 180 ft

Method: medians computed from WI DNR records (drilled water wells (well-construction reports) — geothermal loop/heat-exchange, anode, test and dry holes 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.