Ohio Well Data field records · 2026 survey

Ohio Well Data › Seneca County

Seneca County, Ohio: well depth, water level & drilling cost

✓ 5,544 ODNR records · verified 2026-06-29

93 ftmedian well depth
73 ft–118 fttypical depth range
26 ftmedian static water level
15 gpmmedian yield (5,200 tests)

How deep are wells in Seneca County, Ohio?

The median drilled well depth in Seneca County is 93 ft, based on 5,535 wells with recorded depths in the state ODNR database. Half of all wells fall between 73 ft and 118 ft; 90% are shallower than 143 ft. Wells drilled since 2016 have a median depth of 98 ft.

How much does it cost to drill a well in Seneca County?

Applying published per-foot rates to the local median depth of 98 ft: drilling and casing alone typically runs $2,450–$6,370; a complete system including pump, pressure tank, and hookup typically runs $5,880–$9,800. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Seneca County?

The median static water level is 26 ft below ground surface (middle half of wells: 15 ft–40 ft), from 5,369 measurements.

How much water do wells in Seneca County produce?

The median tested yield is 15 gpm (middle half: 14 gpm–20 gpm), from 5,200 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 289 50–100 ft 2,861 100–150 ft 1,896 150–200 ft 398 200–300 ft 81 300–400 ft 9 400–600 ft 1 600+ ft 0

Who drills wells in Seneca County?

Companies by number of wells completed in this county since 2016, per filed well logs (ODNR Division of Geological Survey).

DrillerWells since 2016
CLEAR WATER WELL DRILLING246
SEISMIC DRILLING CO INC191
BOES WATER WELL DRILLING133
HOLMAN (DWIGHT) DRILLING57
ABLE WELL & PUMP56
KOTTERMAN WELL DRILLING37
JAMISON WELL DRILLING INC26
HOLMAN DRILLING17

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Looking at a specific property in Seneca County?

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Well records by ZIP code in Seneca County

Median depth, water level, and yield for each ZIP code with recorded wells.

Method: medians computed from ODNR records (water-supply wells only (domestic, public/municipal, commercial, industrial, agricultural/irrigation, fire protection) — monitoring, test/boring, heat-pump, injection, abandoned/sealed and unclassified wells excluded; depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.