https://waterlevelatlas.com/us/illinois/nav-project/2026-10-21 https://waterlevelatlas.com/us/illinois/nav-project/history/2026-10-21 https://waterlevelatlas.com/us/illinois/shelbyville-lake-project/2026-10-20 https://waterlevelatlas.com/us/illinois/shelbyville-lake-project/history/2026-10-20 https://waterlevelatlas.com/us/illinois/dresden-island-pool/2026-10-21 https://waterlevelatlas.com/us/illinois/dresden-island-pool/history/2026-10-21 https://waterlevelatlas.com/us/illinois/illinois-river-lockport-ld/2026-10-21 https://waterlevelatlas.com/us/illinois/illinois-river-lockport-ld/history/2026-10-21 https://waterlevelatlas.com/us/illinois/marseilles-pool/2026-10-21 https://waterlevelatlas.com/us/illinois/marseilles-pool/history/2026-10-21 https://waterlevelatlas.com/us/illinois/lagrange-pool/2026-10-21 https://waterlevelatlas.com/us/illinois/lagrange-pool/history/2026-10-21 https://waterlevelatlas.com/us/illinois/peoria-lake/2026-10-21 https://waterlevelatlas.com/us/illinois/peoria-lake/history/2026-10-21 https://waterlevelatlas.com/us/illinois/starved-rock-pool/2026-10-21 https://waterlevelatlas.com/us/illinois/starved-rock-pool/history/2026-10-21 https://waterlevelatlas.com/us/illinois/lake-levels/2026-10-21