What counties does Thein Well Company, Inc. work in?

Across the record, Thein Well Company, Inc. has drilled wells in 35 South Dakota counties: Brookings (104), Bon Homme (89), Yankton (78), Minnehaha (67), Codington (62), Hamlin (61), Lincoln (55), Union (55), Turner (52), Brown (47), Lake (34), Clay (32).

How deep are the wells Thein Well Company, Inc. drills?

The median depth of a well drilled by Thein Well Company, Inc. is 125 ft, with the middle half between 47 ft and 240 ft — based on 935 of their wells with recorded depths.

← All South Dakota drillers

Thein Well Company, Inc.

Recorded as the driller on 942 water wells across 35 South Dakota counties in the South Dakota DANR well completion report database (NR68), most in Brookings County. Well-log records span 1990–2025.

942wells on record

132since 2022

35counties served

125 ftmedian depth

Counties served

Wells drilled by Thein Well Company, Inc., by county, across the full record.

County	Wells drilled
Brookings County	104
Bon Homme County	89
Yankton County	78
Minnehaha County	67
Codington County	62
Hamlin County	61
Lincoln County	55
Union County	55
Turner County	52
Brown County	47
Lake County	34
Clay County	32

…and 23 more South Dakota counties.

Well characteristics

Across the wells Thein Well Company, Inc. has drilled, the median depth is 125 ft (middle half 47 ft–240 ft), median tested yield —, and median static water level 51 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Thein Well Company, Inc., straight from the public SD DANR record:

"Records span 1990–2025" refers to the earliest and latest well logs attributed to this company in the SD DANR database — the state digitized older paper logs, so the first date is the oldest record on file, not necessarily the company's founding year.

Looking for a well driller in Brookings County? Get quotes

Free for property owners. We route your request only to licensed drillers who actually file well logs in Brookings County — never sold elsewhere.

Is this your company?

This page is built from the public SD DANR well-log record and helps property owners find a driller. Claim it (free) to confirm the details are right and give customers a way to reach you.

Claim this page

This directory helps property owners find a driller, using public SD DANR records. Claim your page to confirm the details are accurate and give customers a way to reach you. Free — reviewed before anything goes live.

Want the top spot too? Featured lifts you to the top of the South Dakota driller directory, above the unclaimed listings, and marks you with a ★ and a Featured badge on every county ranking you appear in — $49/mo, cancel anytime. County rankings stay ordered by wells actually drilled, so a sponsor never outranks the record. Claiming stays free either way.