MD · wells & permits
Water wells in Maryland
Real drilling records, county depth medians, active contractors, and exactly what it takes to pull a well permit in Maryland.
The permit, in plain language
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
- Confirm parcel allows a private well (vs required public water connection).
- Select a licensed well contractor; obtain owner authorization as required.
- File permit with County approving authority (PDF/email/mail — WellMap prepares the packet; lawful submitter files).
- 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.
Top drillers on record
No contractor statistics for Maryland yet — several states publish drilling records without contractor names, and a few aren't in bulk form at all. See data & methodology.
County by county
Depth statistics across Maryland
Medians from wells with verified total depth. Click a county for its permit authority, fee and filing channel.
| County | Wells | With depth | Median | p10–p90 |
|---|---|---|---|---|
| Washington | 2,857 | 2,779 | 160 ft | 60–350 ft |
| Anne Arundel | 2,566 | 2,378 | 125 ft | 42–441 ft |
| Harford | 2,553 | 2,243 | 86 ft | 3–202 ft |
| Howard | 2,501 | 2,227 | 180 ft | 80–340 ft |
| Frederick | 2,134 | 2,045 | 135 ft | 54–350 ft |
| Kent | 1,983 | 1,892 | 90 ft | 26–190 ft |
| Baltimore | 1,737 | 1,164 | 150 ft | 15–320 ft |
| Cecil | 1,399 | 1,342 | 85 ft | 28–242 ft |
| Garrett | 1,333 | 1,277 | 132 ft | 60–320 ft |
| Charles | 1,138 | 932 | 285 ft | 18–777 ft |
| St. Mary's | 1,097 | 1,023 | 350 ft | 31–560 ft |
| Worcester | 1,016 | 936 | 108 ft | 16–294 ft |
| Montgomery | 998 | 939 | 111 ft | 51–267 ft |
| Somerset | 803 | 779 | 140 ft | 20–240 ft |
| Calvert | 758 | 701 | 323 ft | 35–553 ft |
| Dorchester | 728 | 618 | 279 ft | 21–536 ft |
| Carroll | 637 | 563 | 160 ft | 75–340 ft |
| Talbot | 634 | 604 | 241 ft | 18–592 ft |
| Queen Anne's | 549 | 445 | 220 ft | 26–642 ft |
| Wicomico | 504 | 371 | 78 ft | 15–170 ft |
| Caroline | 344 | 193 | 65 ft | 18–444 ft |
| Prince George's | 276 | 209 | 366 ft | 113–997 ft |
| Allegany | 231 | 86 | 76 ft | 35–207 ft |