⟁ Maryland Well Data field records · 2026 survey

Data changelog

Dataset state: 26,203 active well records · statistics last computed 2026-09-22. Subscribe via RSS.

WhenJobResult
2026-09-22 maryland-wells/stats stats computed for 24 MD counties (of 24) + statewide; 0 unlisted/blank-county rows skipped (0.2s)
2026-09-22 maryland-wells/stats stats computed for 24 MD counties (of 24) + statewide; 0 unlisted/blank-county rows skipped (0.2s)
2026-09-21 maryland-wells/stats stats computed for 24 MD counties (of 24) + statewide; 0 unlisted/blank-county rows skipped (0.3s)
2026-09-21 maryland-wells/ingest NOTE: this is the USGS inventory, a FLOOR. The state holds more wells than this. (4.6s)
2026-09-14 maryland-wells/stats stats computed for 24 MD counties (of 24) + statewide; 0 unlisted/blank-county rows skipped (0.2s)
2026-09-14 maryland-wells/ingest failed — Node.js v22.23.2 (2.2s)
2026-08-29 maryland-wells/stats stats computed for 24 MD counties (of 24) + statewide; 0 unlisted/blank-county rows skipped (0.2s)
2026-08-29 maryland-wells/ingest NOTE: this is the USGS inventory, a FLOOR. The state holds more wells than this. (8.2s)

Corrections to published statistics are also logged here when they occur.