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St. Mary's County · MD

Wells in St. Mary's County

1,097 recorded wells, 1,023 with verified depth. Here's what the drilling records say and what the permit takes.

Depth, from the records

350ft median drilled depth
p10 · 31 ftp90 · 560 ft

Eight of ten wells in St. Mary's County finished between 31 and 560 feet. Budget to the deep end; celebrate the shallow one.

Pin your exact parcel →

The permit in St. Mary's County

Paper / PDF filinggeneric

County approving authority

COMAR 26.04.04

Instrument
permit
Fee
Call to confirm
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. File permit with County approving authority (PDF/email/mail — WellMap prepares the packet; lawful submitter files).
  4. Do not drill until authorization is issued (or notification accepted, per regime).

After drilling: Completion report to county HD within 30 days → County approving authority

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.