| 119 West Washington Street | $3,753.00 | 12/12/2017 | Phase I Environmental Assessment | $0.00 |
| Abandoned Tank Site | $3,368.00 | 07/07/2017 | Phase I Environmental Assessment | $0.00 |
| Anderson Janko Farm | $3,763.00 | | Phase I Environmental Assessment | $0.00 |
| Conrad Property | $5,611.00 | 08/18/2017 | Phase I Environmental Assessment | $0.00 |
| Downtown Commercial Structure (220 W Main St) | $3,582.00 | 02/27/2015 | Phase I Environmental Assessment | $0.00 |
| Former Auto Max Muffler & Brake (102 W Norris Dr) | $3,761.00 | 12/01/2014 | Phase I Environmental Assessment | $0.00 |
| Former Center Town Auto Body (418 West Jackson Street) | $4,615.00 | 05/05/2014 | Phase I Environmental Assessment | $0.00 |
| Former Central Elementary School (400 Clinton Street) | $515.00 | 11/28/2014 | Cleanup Planning | $0.00 |
| Former Central Elementary School (400 Clinton Street) | $4,307.00 | 12/06/2012 | Phase I Environmental Assessment | $0.00 |
| Former Central Elementary School (400 Clinton Street) | $118,207.00 | 11/28/2014 | Phase II Environmental Assessment | $316,047.00 |
| Former Feece Oil Property | $3,397.00 | 07/31/2018 | Cleanup Planning | $0.00 |
| Former Feece Oil Property | $11,897.00 | 12/08/2015 | Phase I Environmental Assessment | $0.00 |
| Former Feece Oil Property | $52,713.00 | 11/13/2014 | Phase II Environmental Assessment | $0.00 |
| Former Jimmy John's Restaurant (529 Columbus Street) | $18,102.00 | | Cleanup Planning | $0.00 |
| Former LaSalle County School Employee Credit Union (1313 Chestnut Street) | $5,835.00 | 04/03/2013 | Phase I Environmental Assessment | $0.00 |
| Former Peltier Glass (518 Deleon Street) | $4,349.00 | 11/14/2014 | Phase I Environmental Assessment | $0.00 |
| Former Peltier Glass (518 Deleon Street) | $4,199.00 | 02/13/2013 | Phase II Environmental Assessment | $0.00 |
| Harper's Farm | $3,411.00 | 08/11/2017 | Phase I Environmental Assessment | $0.00 |
| Hearing Aid Shop | $6,153.00 | 09/19/2017 | Phase I Environmental Assessment | $0.00 |
| Jim's Formal Wear (909 Clinton) | $3,226.00 | 06/14/2016 | Phase I Environmental Assessment | $0.00 |
| Jordan Block Property (109-131 West Main Street) | $17,215.00 | | Cleanup Planning | $0.00 |
| Kavanaugh Property | $3,823.00 | 05/25/2018 | Phase I Environmental Assessment | $0.00 |
| Kavanaugh Property | $13,639.00 | 08/15/2018 | Phase II Environmental Assessment | $0.00 |
| Little City Building (112 West Madison Street) | $21,649.00 | 11/28/2014 | Cleanup Planning | $0.00 |
| Little City Building (112 West Madison Street) | $2,629.00 | 09/11/2014 | Phase I Environmental Assessment | $0.00 |
| Little City Building (112 West Madison Street) | $3,345.00 | 07/31/2013 | Phase II Environmental Assessment | $0.00 |
| Madden North | $2,538.00 | 07/11/2018 | Phase I Environmental Assessment | $0.00 |
| Madden South | $2,381.00 | 07/19/2018 | Phase I Environmental Assessment | $0.00 |
| Margaritaville (616-618 Court St / 619 Columbus St) | $2,486.00 | 10/27/2014 | Phase I Environmental Assessment | $0.00 |
| Mitchell Property | $4,444.00 | 09/14/2018 | Phase I Environmental Assessment | $0.00 |
| Mr. Penguin | $2,944.00 | 07/23/2018 | Phase I Environmental Assessment | $0.00 |
| NCAT Site | $2,889.00 | 08/30/2018 | Phase I Environmental Assessment | $0.00 |
| Off the Bench Training Facility (711 West Joliet Street) | $500.00 | | Phase I Environmental Assessment | $0.00 |
| Ottawa Boat Club (500 Columbus Street) | $3,819.00 | 08/18/2014 | Phase I Environmental Assessment | $0.00 |
| Ottawa Industrial Park Unit 3 | $2,108.00 | 07/19/2017 | Phase I Environmental Assessment | $0.00 |
| Starved Rock Hot Glass | $3,407.00 | 07/28/2016 | Phase I Environmental Assessment | $0.00 |