Iowa Well Data field records · 2026 survey

← All Iowa drillers

Larson,Riley - 8416

Recorded as the driller on 594 water wells across 29 Iowa counties in the Iowa DNR Well Information System (IWIS), most in Story County. Well-log records span 1900–2026.

594wells on record
131since 2022
29counties served
220 ftmedian depth

Counties served

Wells drilled by Larson,Riley - 8416, by county, across the full record.

CountyWells drilled
Story County 108
Franklin County 80
Hamilton County 76
Boone County 74
Hardin County 42
Cerro Gordo County 40
Wright County 40
Webster County 24
Guthrie County 17
Dallas County 15
Greene County 15
Humboldt County 9

…and 17 more Iowa counties.

Well characteristics

Across the wells Larson,Riley - 8416 has drilled, the median depth is 220 ft (middle half 141 ft–320 ft), median tested yield , and median static water level below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Larson,Riley - 8416, straight from the public Iowa DNR record:

"Records span 1900–2026" refers to the earliest and latest well logs attributed to this company in the Iowa DNR 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 Story County? Get quotes

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

Is this your company?

This page is built from the public Iowa DNR 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 Iowa DNR 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 Iowa 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.