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.
Counties served
Wells drilled by Larson,Riley - 8416, by county, across the full record.
| County | Wells 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.
Free for property owners. We route your request only to licensed drillers who actually file well logs in Story County — never sold elsewhere.
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