⟁ Maine Well Data field records · 2026 survey

Maine Well Data › Penobscot County

Penobscot County, Maine: well depth, water level & drilling cost

✓ 7,615 Maine Geological Survey records · verified 2026-08-22

200 ftmedian well depth
140 ft–300 fttypical depth range
11 ftmedian static water level
7 gpmmedian yield (7,368 tests)

How deep are wells in Penobscot County, Maine?

The median drilled well depth in Penobscot County is 200 ft, based on 7,589 wells with recorded depths in the state Maine Geological Survey database. Half of all wells fall between 140 ft and 300 ft; 90% are shallower than 403 ft. Wells drilled since 2016 have a median depth of 260 ft.

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

Applying published per-foot rates to the local median depth of 260 ft: drilling and casing alone typically runs $6,500–$16,900; a complete system including pump, pressure tank, and hookup typically runs $15,600–$26,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Penobscot County?

The median static water level is 11 ft below ground surface (middle half of wells: 8 ft–20 ft), from 294 measurements.

How much water do wells in Penobscot County produce?

The median tested yield is 7 gpm (middle half: 3 gpm–13 gpm), from 7,368 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 52 50–100 ft 726 100–150 ft 1,506 150–200 ft 1,108 200–300 ft 2,221 300–400 ft 1,116 400–600 ft 775 600+ ft 85

Who drills wells in Penobscot County?

Companies by number of wells completed in this county, per the well cards Maine drillers file with the Maine Geological Survey.

DrillerWells since 2016
LAWRENCE LORD & SONS INC982
TED MCLEOD, INC.664
CARMEL WELL DRILLING LLC420
INNIS WELL DRILLING245
HANSCOM WELL DRILLING159
H2O WELL DRILLING86
MCLEOD WATER WELLS LLC70
WATSON WELL DRILLING26

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Method: medians computed from Maine Geological Survey records (Maine Geological Survey well database, excluding test, observation and monitoring wells; depths 0-5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.