ID · wells & permits

Water wells in Idaho

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

The permit, in plain language

Files onlineverified landing

IDWR Well Construction

IC §42-235

Instrument: start_card
Fee: $75
Who files: Driller or owner may file
Timeline: Often same-day start card

$75 domestic / $200 other; start card

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 start_card online via the authority portal (deep-link below).
Do not drill until authorization is issued (or notification accepted, per regime).

After drilling: Driller's Report Form 238-7 within 30 days → IDWR Well Construction

Forms: ID 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 Idaho 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 Idaho

County by county

Depth statistics across Idaho

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
CANYON	20,126	14,227	140 ft	58–323 ft
ADA	19,787	13,730	118 ft	40–351 ft
BONNER	14,000	7,229	205 ft	55–540 ft
KOOTENAI	11,097	5,549	375 ft	143–680 ft
TWIN FALLS	9,404	7,115	180 ft	73–465 ft
BINGHAM	8,433	6,477	118 ft	65–227 ft
JEFFERSON	8,111	6,517	120 ft	61–260 ft
VALLEY	7,586	5,346	108 ft	42–304 ft
BONNEVILLE	6,117	4,478	200 ft	100–396 ft
CASSIA	5,777	4,441	232 ft	60–700 ft
FREMONT	4,976	3,857	178 ft	74–400 ft
IDAHO	4,779	2,732	275 ft	100–600 ft
GEM	4,665	3,388	85 ft	29–241 ft
MINIDOKA	4,643	3,368	165 ft	34–385 ft
BLAINE	4,513	2,972	103 ft	39–260 ft
BANNOCK	4,438	3,226	165 ft	79–366 ft
JEROME	4,391	3,220	270 ft	178–430 ft
ELMORE	4,225	3,129	350 ft	56–628 ft
PAYETTE	4,024	2,795	83 ft	31–275 ft
MADISON	3,974	3,017	98 ft	60–275 ft
GOODING	3,831	2,732	190 ft	100–300 ft
TETON	3,816	2,890	184 ft	83–416 ft
LATAH	3,755	1,908	285 ft	125–500 ft
LEMHI	3,368	2,320	65 ft	30–308 ft
BOISE	3,219	2,121	225 ft	80–460 ft
OWYHEE	3,133	2,277	214 ft	60–670 ft
WASHINGTON	2,844	1,978	90 ft	33–346 ft
CUSTER	2,683	1,830	100 ft	42–300 ft
BENEWAH	2,567	1,380	300 ft	145–518 ft
CARIBOU	2,395	1,852	140 ft	30–340 ft
NEZ PERCE	2,016	962	300 ft	103–800 ft
BOUNDARY	1,988	1,205	240 ft	58–540 ft
ADAMS	1,905	1,402	200 ft	83–425 ft
CLEARWATER	1,892	869	305 ft	120–620 ft
ONEIDA	1,675	1,227	210 ft	70–420 ft
POWER	1,512	1,116	230 ft	105–455 ft
BUTTE	1,497	1,006	140 ft	60–365 ft
FRANKLIN	1,489	1,073	200 ft	70–440 ft
SHOSHONE	1,472	768	70 ft	20–401 ft
LINCOLN	1,424	1,019	345 ft	233–581 ft
BEAR LAKE	1,179	871	155 ft	46–400 ft
CAMAS	968	687	160 ft	74–345 ft
LEWIS	602	396	305 ft	123–673 ft
CLARK	472	325	256 ft	100–526 ft
Ada	134	128	117 ft	56–276 ft
Fremont	99	99	120 ft	69–203 ft
Valley	87	56	91 ft	41–223 ft
Blaine	34	33	124 ft	44–322 ft
Canyon	30	29	155 ft	60–291 ft
Twin Falls	27	25	179 ft	77–496 ft
Bingham	25	25	95 ft	67–157 ft
Cassia	24	24	225 ft	45–592 ft
Owyhee	24	24	423 ft	63–958 ft
Minidoka	24	22	211 ft	100–442 ft
Custer	24	24	60 ft	42–442 ft
Boise	23	22	101 ft	50–238 ft
Bonneville	21	18	175 ft	131–227 ft
Elmore	21	20	390 ft	123–573 ft
Jefferson	18	17	145 ft	73–405 ft
Gooding	18	17	200 ft	135–449 ft