⟁ Maine Well Data field records · 2026 survey

Maine water well logs, made useful.

Every well card the Maine Geological Survey holds — how deep it went, what it yielded and who drilled it — brought together around one address, instead of one record at a time.

✓ Verified against Maine Geological Survey · 2026-10-19

240 ftmedian well depth statewide
6 gpmmedian well yield
30,272wells drilled since 2016
96,327wells you can look up by location

From recent buyers

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What you can answer here

These are Maine Geological Survey records

Every figure here comes from the Maine Geological Survey well database — the state's official well-log repository. We index those same records by location so you can start from an address, and every well links back to its original filed log.

What's in a Maine well log →  ·  About Maine Geological Survey →

Buying property with a well — or land you'd need to drill?

See every recorded well near any Maine address: well depths, tested yields in gallons per minute, the drilling company that put the well in, the date it was drilled, casing lengths, and static water levels on the small share of wells where one was recorded — all in one report.

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Well data by county

Androscoggin County 6,581 wells · median 289 ft Aroostook County 3,456 wells · median 150 ft Cumberland County 13,672 wells · median 280 ft Franklin County 3,345 wells · median 260 ft Hancock County 9,447 wells · median 220 ft Kennebec County 6,525 wells · median 240 ft Knox County 3,818 wells · median 200 ft Lincoln County 6,062 wells · median 220 ft Oxford County 5,952 wells · median 340 ft Penobscot County 7,688 wells · median 200 ft Piscataquis County 1,652 wells · median 200 ft Sagadahoc County 3,701 wells · median 224 ft Somerset County 2,916 wells · median 245 ft Waldo County 4,016 wells · median 205 ft Washington County 5,009 wells · median 220 ft York County 12,484 wells · median 295 ft