⟁ Iowa Well Data field records · 2026 survey

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Seneca Environmental Services

Recorded as the driller on 29 water wells across 2Iowacounties in the Iowa DNR Well Information System (IWIS), most in Dubuque County. Well-log records span –.

29wells on record
—since 2022
2counties served
19 ftmedian depth

Counties served

Wells drilled by Seneca Environmental Services, by county, across the full record.

CountyWells drilled
Dubuque County18
Black Hawk County11

Well characteristics

Across the wells Seneca Environmental Services has drilled, the median depth is 19 ft (middle half 15 ft–20 ft), median tested yield —, and median static water level — below ground surface. These summarize the company's own filed logs, not a marketing claim.

"Records span –" 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.

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