⟁ 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 · 2026-09-28

240 ftmedian well depth statewide
6 gpmmedian well yield
30,182wells drilled since 2016
96,143wells 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 6,577 wells · median 288 ft Aroostook County 3,454 wells · median 150 ft Cumberland County 13,665 wells · median 280 ft Franklin County 3,341 wells · median 260 ft Hancock County 9,429 wells · median 220 ft Kennebec County 6,520 wells · median 240 ft Knox County 3,779 wells · median 200 ft Lincoln County 6,002 wells · median 220 ft Oxford County 5,946 wells · median 340 ft Penobscot County 7,667 wells · median 200 ft Piscataquis County 1,652 wells · median 200 ft Sagadahoc County 3,700 wells · median 224 ft Somerset County 2,914 wells · median 245 ft Waldo County 4,004 wells · median 205 ft Washington County 5,008 wells · median 220 ft York County 12,482 wells · median 295 ft