Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| White Cabin Slough | Gut | 118 | St. Clair | 38 18 45 N | 089 53 52 W |
| Whitney Slough | Gut | 144 | Hancock | 40 16 54 N | 091 27 00 W |
| Wood Slough | Gut | 132 | Cass | 40 03 00 N | 090 25 17 W |
| Woodyard Slough | Gut | 134 | Fulton | 40 25 36 N | 089 56 53 W |
| Bi-State Development Agency Harbor | Harbor | 119 | Madison | 38 42 26 N | 090 10 31 W |
| Calumet Harbor | Harbor | 175 | Cook | 41 43 59 N | 087 31 32 W |
| Howard Slip | Harbor | 175 | Cook | 41 43 26 N | 087 32 40 W |
| North Slip | Harbor | 175 | Cook | 41 44 27 N | 087 32 05 W |
| Rock Island Slip (historical) | Harbor | 178 | Cook | 41 42 04 N | 087 33 14 W |
| Turning Basin Number 1 | Harbor | 175 | Cook | 41 43 31 N | 087 32 28 W |
| Turning Basin Number 3 | Harbor | 175 | Cook | 41 40 30 N | 087 33 04 W |
| Turning Basin Number 5 | Harbor | 175 | Cook | 41 39 42 N | 087 34 17 W |
| Abraham Lincoln Memorial Hospital | Hospital | 179 | Logan | 40 08 59 N | 089 22 16 W |
| Alden Poplar Creek Convalescent Center | Hospital | 246 | Cook | 42 03 06 N | 088 08 30 W |
| Alexian Brothers Medical Center | Hospital | 213 | Cook | 42 00 17 N | 088 01 01 W |
| Alexian Hospital | Hospital | 181 | Cook | 41 55 26 N | 087 39 35 W |
| Alton Memorial Hospital | Hospital | 160 | Madison | 38 54 00 N | 090 09 32 W |
| Alton Mental Health Center | Hospital | 150 | Madison | 38 54 39 N | 090 06 56 W |
| Alton Orthopedic Clinic | Hospital | 164 | Madison | 38 54 13 N | 090 08 46 W |
| Ambutal Hospital Trauma Center | Hospital | 284 | McHenry | 42 15 31 N | 088 17 06 W |
| American International Hospital | Hospital | 194 | Lake | 42 26 58 N | 087 49 41 W |
| Americana Nursing Center | Hospital | 185 | Vermilion | 40 08 15 N | 087 38 39 W |
| Anderson Hospital | Hospital | 180 | Madison | 38 44 13 N | 089 56 50 W |
| Augustana Hospital | Hospital | 183 | Cook | 41 55 11 N | 087 38 24 W |
| Ben Gorden Community Mental Heath Center | Hospital | 262 | DeKalb | 41 57 52 N | 088 43 13 W |
| Bernard Mitchell Hospital | Hospital | 180 | Cook | 41 47 21 N | 087 36 16 W |
| Bethany Brethren Hospital | Hospital | 182 | Cook | 41 52 33 N | 087 42 44 W |
| Bethany Hospital | Hospital | 182 | Cook | 41 52 32 N | 087 42 44 W |
| Bethany Hospital | Hospital | 183 | Cook | 41 58 23 N | 087 40 14 W |
| Bethesda Hospital | Hospital | 186 | Cook | 42 01 08 N | 087 41 34 W |
| Beu Health Center | Hospital | 210 | McDonough | 40 28 00 N | 090 41 14 W |
| Blessing Hospital | Hospital | 189 | Adams | 39 56 11 N | 091 23 57 W |
| Bolingbrook Medical Center | Hospital | 210 | Will | 41 40 54 N | 088 05 05 W |
| Booth Memorial Hospital | Hospital | 183 | Cook | 41 58 22 N | 087 43 44 W |
| Brock Medical Plaza | Hospital | 212 | Cook | 42 00 15 N | 088 01 03 W |
| Brokaw Hospital | Hospital | 236 | McLean | 40 29 52 N | 088 59 27 W |
| Bromenn Medical Center | Hospital | 235 | McLean | 40 29 51 N | 088 59 28 W |
| Burnham Hospital | Hospital | 222 | Champaign | 40 06 47 N | 088 14 03 W |
| Cardinal Bernardin Cancer Center | Hospital | 190 | Cook | 41 51 27 N | 087 50 03 W |
| Carle Foundation Hospital | Hospital | 222 | Champaign | 40 07 02 N | 088 12 54 W |
| Carmi Township Hospital | Hospital | 116 | White | 38 04 58 N | 088 09 57 W |
| Central DuPage Hospital | Hospital | 232 | DuPage | 41 52 24 N | 088 09 18 W |
| Centreville Township Hospital | Hospital | 127 | St. Clair | 38 34 12 N | 090 06 29 W |
| Chanute Air Force Base Hospital (historical) | Hospital | 221 | Champaign | 40 17 13 N | 088 08 28 W |
| Charter Barclay Hospital | Hospital | 180 | Cook | 41 58 04 N | 087 39 03 W |
| Chester Hospital (historical) | Hospital | 211 | Randolph | 37 54 43 N | 089 49 11 W |
| Chicago Lakeshore Hospital | Hospital | 180 | Cook | 41 58 14 N | 087 39 02 W |
| Chicago Lying-In Hospital | Hospital | 180 | Cook | 41 47 21 N | 087 36 15 W |
| Chicago Nursery and Orphan Asylum | Hospital | 185 | Cook | 41 58 30 N | 087 42 02 W |
| Chicago Sanitarium | Hospital | 189 | Cook | 41 50 58 N | 087 48 41 W |
| Chicago-Read Mental Health Center | Hospital | 193 | Cook | 41 57 23 N | 087 47 35 W |
| Childrens Hospital | Hospital | 183 | Cook | 41 55 33 N | 087 38 48 W |
| Childrens Memorial Hospital | Hospital | 182 | Cook | 41 55 29 N | 087 38 50 W |
| Choate Mental Health and Development Center | Hospital | 182 | Union | 37 28 44 N | 089 14 32 W |
| Christ Hospital | Hospital | 189 | Cook | 41 43 21 N | 087 43 53 W |
| Clay County Hospital | Hospital | 148 | Clay | 38 40 32 N | 088 29 00 W |
| Cole Hospital | Hospital | 234 | Champaign | 40 07 04 N | 088 15 24 W |
| Coleman Clinic | Hospital | 198 | Fulton | 40 33 12 N | 090 02 08 W |
| Columbus Hospital | Hospital | 180 | Cook | 41 55 47 N | 087 38 22 W |
| Community General Hospital | Hospital | 205 | Whiteside | 41 48 08 N | 089 41 50 W |
| Community Hospital | Hospital | 220 | Kane | 41 53 00 N | 088 18 30 W |
| Community Hospital of Ottawa | Hospital | 147 | La Salle | 41 21 28 N | 088 49 27 W |
| Community Memorial Hospital | Hospital | 189 | Macoupin | 39 00 56 N | 089 47 22 W |
| Community Memorial Hospital | Hospital | 230 | Warren | 40 55 20 N | 090 39 29 W |
| Condell Memorial Hospital | Hospital | 219 | Lake | 42 16 29 N | 087 57 25 W |
| Cook County Hospital | Hospital | 181 | Cook | 41 52 25 N | 087 40 22 W |
| Copley Hospital | Hospital | 205 | Kane | 41 44 48 N | 088 19 04 W |
| Cork Medical Center | Hospital | 187 | Clark | 39 23 29 N | 087 42 14 W |
| Country View Nursing Home | Hospital | 197 | Macoupin | 39 06 30 N | 089 48 58 W |
| Covenant Medical Center of Champaign | Hospital | 224 | Champaign | 40 07 05 N | 088 13 39 W |
| Crawford Memorial Hospital | Hospital | 168 | Crawford | 39 00 53 N | 087 45 01 W |
| Crossroads Community Hospital | Hospital | 166 | Jefferson | 38 18 42 N | 088 56 12 W |
| Culbertson Memorial Hospital | Hospital | 203 | Schuyler | 40 07 05 N | 090 33 52 W |
| Cuneo Hospital | Hospital | 180 | Cook | 41 57 44 N | 087 38 56 W |
| Decatur Memorial Hospital | Hospital | 202 | Macon | 39 52 03 N | 088 57 40 W |
| Delnor Community Hospital | Hospital | 232 | Kane | 41 53 13 N | 088 20 33 W |
| Delnor Hospital | Hospital | 235 | Kane | 41 55 24 N | 088 18 39 W |
| Doctors Hospital | Hospital | 184 | Cook | 42 00 35 N | 087 40 28 W |
| Doctors Hospital | Hospital | 180 | Sangamon | 39 43 33 N | 089 38 26 W |
| Downey Veteran Administration Hospital | Hospital | 212 | Lake | 42 18 14 N | 087 51 22 W |
| Drake Hospital | Hospital | 181 | Logan | 40 08 18 N | 089 22 47 W |
| DuPage County Home | Hospital | 223 | DuPage | 41 52 00 N | 088 08 43 W |
| East Moline Correctional Center | Hospital | 207 | Rock Island | 41 32 11 N | 090 25 07 W |
| East Moline Garden Plaza Nursing Home | Hospital | 214 | Rock Island | 41 29 53 N | 090 27 03 W |
| East Moline Nursing Home | Hospital | 215 | Rock Island | 41 29 07 N | 090 26 17 W |
| East Side Health Clinic | Hospital | 126 | St. Clair | 38 37 09 N | 090 07 56 W |
| Eastern Star Sanitarium | Hospital | 215 | Macon | 39 42 28 N | 088 59 22 W |
| Edgewater Medical Center | Hospital | 183 | Cook | 41 59 07 N | 087 40 13 W |
| Edward Hospital | Hospital | 212 | DuPage | 41 45 40 N | 088 08 59 W |
| Elgin Mental Health Center | Hospital | 228 | Kane | 42 00 54 N | 088 17 39 W |
| Elms Nursing Home | Hospital | 213 | McDonough | 40 26 43 N | 090 39 41 W |
| Englewood Hospital | Hospital | 182 | Cook | 41 47 06 N | 087 38 43 W |
| Evangelical Hospital | Hospital | 182 | Cook | 41 47 43 N | 087 38 58 W |
| Evanston Hospital | Hospital | 186 | Cook | 42 03 59 N | 087 41 02 W |
| Fahey Center | Hospital | 190 | Cook | 41 51 36 N | 087 50 12 W |
| Fairbury Hospital | Hospital | 208 | Livingston | 40 44 32 N | 088 30 32 W |
| Fairfield Memorial Hospital | Hospital | 145 | Wayne | 38 22 53 N | 088 22 33 W |
| Fayette County Hospital | Hospital | 159 | Fayette | 38 58 10 N | 089 05 54 W |
| Ferrell Hospital | Hospital | 125 | Saline | 37 49 02 N | 088 26 20 W |
| Forest Hospital | Hospital | 191 | Cook | 42 02 35 N | 087 52 45 W |
| Forkosh Hospital | Hospital | 179 | Cook | 41 57 42 N | 087 41 33 W |
| Franciscan Hospital | Hospital | 204 | Rock Island | 41 28 59 N | 090 34 12 W |
| Frank A Norris Hospital | Hospital | 184 | Morgan | 39 44 04 N | 090 13 23 W |
| Frank Cuneo Hospital | Hospital | 180 | Cook | 41 57 44 N | 087 38 58 W |
| Franklin Hospital | Hospital | 137 | Franklin | 38 00 35 N | 088 55 07 W |
| Freeport Clinic | Hospital | 263 | Stephenson | 42 17 46 N | 089 38 19 W |
| Freeport Memorial Hospital | Hospital | 266 | Stephenson | 42 17 42 N | 089 38 18 W |
| Fulton County Mental Health Center | Hospital | 194 | Fulton | 40 33 08 N | 090 02 17 W |
| Galesburg Cottage Hospital | Hospital | 235 | Knox | 40 57 20 N | 090 21 55 W |
| Galesburg State Mental Health Center | Hospital | 239 | Knox | 40 58 20 N | 090 21 34 W |