⟁ Maine Well Data field records · 2026 survey

Maine Well Data › Knox County

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

✓ 3,642 Maine Geological Survey records · verified 2026-08-22

200 ftmedian well depth
125 ft–280 fttypical depth range
12 ftmedian static water level
7 gpmmedian yield (3,346 tests)

How deep are wells in Knox County, Maine?

The median drilled well depth in Knox County is 200 ft, based on 3,592 wells with recorded depths in the state Maine Geological Survey database. Half of all wells fall between 125 ft and 280 ft; 90% are shallower than 365 ft. Wells drilled since 2016 have a median depth of 260 ft.

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

The median static water level is 12 ft below ground surface (middle half of wells: 7 ft–22 ft), from 684 measurements.

How much water do wells in Knox County produce?

The median tested yield is 7 gpm (middle half: 3 gpm–15 gpm), from 3,346 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 169 50–100 ft 316 100–150 ft 747 150–200 ft 548 200–300 ft 977 300–400 ft 611 400–600 ft 200 600+ ft 24

Who drills wells in Knox 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
HATCH WELL DRILLERS384
REILLY WELL DRILLING216
AFFORDABLE WELL DRILLING INC125
TED MCLEOD, INC.91
GALLANT'S ARTESIAN WELLS41
KENNEBEC WELL DRILLING40
CARMEL WELL DRILLING LLC23
LAWRENCE LORD & SONS INC12

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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.