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ME · wells & permits

Water wells in Maine

Real drilling records, county depth medians, active contractors, and exactly what it takes to pull a well permit in Maine.

The permit, in plain language

No pre-drill permitgeneric

Maine Geological Survey

Water Well Information Law 1987

Pre-drill gate
None — report after drilling
Fee
Who files
Driller or owner may file
Timeline
Varies

Confirm current fee with authority

Before the rig arrives

  1. Confirm parcel allows a private well (vs required public water connection).
  2. Select a licensed well contractor; obtain owner authorization as required.
  3. No statewide pre-drill permit for typical domestic wells — confirm local/district overlays.
  4. Still complete post-drill filing (registration / well log) on the deadline below.

After drilling: Well report to MGS within 30 days → Maine Geological Survey

WellMap prepares estimate-backed quote packets and dual-party approvals. It does not issue permits and never auto-submits to government systems. The licensed driller (and/or owner where required by law) is the submitter of record. Verified 2026-07-14.

County by county

Depth statistics across Maine

Medians from wells with verified total depth. Click a county for its permit authority, fee and filing channel.

CountyWellsWith depthMedianp10–p90
Cumberland13,50513,367277 ft105–515 ft
York12,36812,279290 ft125–500 ft
Hancock9,3259,280220 ft100–405 ft
Penobscot7,5827,556200 ft97–403 ft
Androscoggin6,6086,574280 ft100–510 ft
Kennebec6,4556,429240 ft120–420 ft
Oxford5,8545,786340 ft155–600 ft
Lincoln5,6895,646220 ft105–388 ft
Washington4,9744,956220 ft98–420 ft
Waldo3,9163,906205 ft107–400 ft
Sagadahoc3,6933,662222 ft90–438 ft
Knox3,6173,567200 ft85–360 ft
Aroostook3,4243,381150 ft65–280 ft
Franklin3,2773,268260 ft125–430 ft
Somerset2,8642,843245 ft120–420 ft
Piscataquis1,6501,647200 ft99–340 ft