⟁ Illinois Well Data field records · 2026 survey

Data changelog

Dataset state: 319,901 active well records · statistics last computed 2026-10-12. Subscribe via RSS.

WhenJobResult
2026-10-12 illinois-wells/stats stats computed for 102 IL counties (of 102) + statewide; 0 non-county rows skipped (2.4s)
2026-10-12 illinois-wells/ingest NOT IN THIS SOURCE AT ALL (quirks 4+9): street address, static water level. (264.5s)
2026-09-28 illinois-wells/stats stats computed for 102 IL counties (of 102) + statewide; 0 non-county rows skipped (2.4s)
2026-09-22 illinois-wells/stats stats computed for 102 IL counties (of 102) + statewide; 0 non-county rows skipped (1.8s)
2026-09-22 illinois-wells/ingest NOT IN THIS SOURCE AT ALL (quirks 4+9): street address, static water level. (287.5s)
2026-09-21 illinois-wells/stats stats computed for 102 IL counties (of 102) + statewide; 0 non-county rows skipped (1.9s)
2026-09-21 illinois-wells/stats stats computed for 102 IL counties (of 102) + statewide; 0 non-county rows skipped (2.0s)
2026-09-14 illinois-wells/stats stats computed for 102 IL counties (of 102) + statewide; 0 non-county rows skipped (2.0s)
2026-09-14 illinois-wells/ingest NOT IN THIS SOURCE AT ALL (quirks 4+9): street address, static water level. (273.7s)
2026-08-24 illinois-wells/stats stats computed for 102 IL counties (of 102) + statewide; 0 non-county rows skipped (1.7s)
2026-08-20 illinois-wells/stats stats computed for 102 IL counties (of 102) + statewide; 0 non-county rows skipped (1.9s)
2026-08-20 illinois-wells/ingest NOT IN THIS SOURCE AT ALL (quirks 4+9): street address, static water level. (417.4s)

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