WI · wells & permits

Water wells in Wisconsin

Real drilling records, county depth medians, active contractors, and exactly what it takes to pull a well permit in Wisconsin.

The permit, in plain language

Files onlineverified landing

WI DNR Well Notification (GoWild)

Wis. Stat. 281.34(3)

Instrument: notification_number
Fee: $50.5
Who files: Driller or owner may file
Timeline: Plus county location permit where required (Form 3300-076)

Notification number $50.50

Before the rig arrives

Confirm parcel allows a private well (vs required public water connection).
Select a licensed well contractor; obtain owner authorization as required.
File notification_number online via the authority portal (deep-link below).
Do not drill until authorization is issued (or notification accepted, per regime).

After drilling: Well Construction Report ≤30d within 30 days → WI DNR Well Notification (GoWild)

Forms: WI well application

Open the filing portal ↗

WellMap prepares estimate-backed quote packets and dual-party approvals. It does not issue permits and never auto-submits to government systems. The licensed driller (and/or owner where required by law) is the submitter of record. Verified 2026-07-14.

Top drillers on record

No contractor statistics for Wisconsin yet — several states publish drilling records without contractor names, and a few aren't in bulk form at all. See data & methodology.

Get a depth estimate anywhere in Wisconsin

County by county

Depth statistics across Wisconsin

Medians from wells with verified total depth. Click a county for its permit authority, fee and filing channel.

County	Wells	With depth	Median	p10–p90
Waukesha	66,533	25,058	147 ft	50–305 ft
Dane	31,192	15,316	179 ft	100–315 ft
Marathon	28,216	14,736	140 ft	40–260 ft
Milwaukee	25,990	1,650	179 ft	23–400 ft
Washington	23,031	11,418	169 ft	69–292 ft
Walworth	21,488	11,574	97 ft	46–230 ft
Oneida	21,313	15,180	62 ft	37–157 ft
Racine	19,917	9,572	123 ft	53–235 ft
Kenosha	18,530	9,738	115 ft	53–220 ft
Vilas	17,737	13,554	60 ft	38–127 ft
Winnebago	17,414	7,972	145 ft	81–300 ft
Chippewa	17,146	10,405	70 ft	39–160 ft
Outagamie	17,063	9,850	165 ft	88–358 ft
Brown	16,999	10,257	182 ft	83–442 ft
St. Croix	16,836	12,555	160 ft	85–280 ft
Oconto	16,698	12,058	104 ft	46–258 ft
Door	15,824	9,613	240 ft	160–312 ft
Adams	15,172	12,069	62 ft	45–140 ft
Rock	15,104	7,021	140 ft	73–222 ft
Fond du Lac	14,873	7,277	165 ft	92–300 ft
Portage	14,068	9,749	79 ft	31–194 ft
Marinette	13,992	10,063	113 ft	50–282 ft
Ozaukee	13,965	5,402	185 ft	107–358 ft
Dodge	13,811	6,613	145 ft	81–285 ft
Sheboygan	13,755	6,085	178 ft	100–300 ft
Waupaca	13,493	9,022	97 ft	49–225 ft
Wood	13,395	8,929	60 ft	29–220 ft
Polk	13,273	10,062	109 ft	53–237 ft
Barron	12,960	9,279	80 ft	40–180 ft
Waushara	12,930	8,206	100 ft	57–196 ft
Eau Claire	12,561	6,372	95 ft	51–165 ft
Sauk	12,191	8,804	140 ft	77–300 ft
Sawyer	12,170	8,573	79 ft	39–160 ft
Jefferson	12,104	7,016	142 ft	77–223 ft
Columbia	11,425	6,163	147 ft	89–255 ft
Manitowoc	11,111	5,983	143 ft	84–244 ft
Shawano	9,958	6,716	120 ft	45–280 ft
Dunn	9,630	6,289	103 ft	54–200 ft
La Crosse	9,588	6,682	108 ft	63–215 ft
Burnett	9,560	7,502	90 ft	46–195 ft
Lincoln	9,481	8,996	73 ft	38–200 ft
Washburn	8,703	6,830	84 ft	45–174 ft
Monroe	8,633	6,138	100 ft	50–280 ft
Clark	8,584	5,185	95 ft	48–222 ft
Langlade	8,148	5,030	67 ft	38–160 ft
Juneau	7,987	6,335	63 ft	38–164 ft
Marquette	7,987	5,334	115 ft	58–216 ft
Grant	7,850	3,808	240 ft	100–405 ft
Bayfield	7,415	4,756	98 ft	44–242 ft
Green	7,183	4,564	175 ft	100–260 ft
Douglas	7,023	4,628	127 ft	54–285 ft
Trempealeau	6,653	4,661	100 ft	45–187 ft
Price	6,608	5,242	70 ft	37–160 ft
Taylor	6,413	3,641	93 ft	40–177 ft
Green Lake	6,253	3,077	145 ft	85–238 ft
Jackson	6,217	4,163	80 ft	41–160 ft
Rusk	6,171	4,102	60 ft	34–152 ft
Pierce	6,081	4,252	200 ft	80–350 ft
Vernon	5,711	4,955	210 ft	100–460 ft
Iowa	5,589	3,915	222 ft	80–362 ft