| Class environmental assessment document | Proponent | Examples of project types | Date approved |
|---|---|---|---|
| Class Environmental Assessment for Activities of the Ministry of Northern Development and Mines under the Mining Act | Ministry of Northern Development and Mines | Disposition of Crown resources, conversion of existing land tenure, forfeiture or surrender of titles, and, mine hazard rehabilitation activities at abandoned mine sites. | December 2012 |
| Class Environmental Assessment for Waterpower Projects-amended | Ontario Waterpower Association | Dams, powerhouses, diversion channels, weirs, canals, aqueducts and pipelines, access roads | October 2008 Amended March 2011 |
| Municipal Class Environmental Assessment-amended | Municipal Engineers Association | Municipal road, water, sewer infrastructure projects (road widening, pumping stations, watermains, sewers) | October 2000 Amended September 2007 August 2011 |
| MNR’s Class Environmental Assessment Approval for Forest Management on Crown Lands in Ontario (Declaration Order MNR-71) Amending Declaration Order MNR 71/2 | Ministry of Natural Resources | Forest management activities | June 2003 Amended March 21, 2007 |
| Class Environmental Assessment for Provincial Parks and Conservation Reserves | Ministry of Natural Resources | Establishing new/revising provincial park, conservation reserve boundaries | December 2004 |
| Class EA Process for the Ministry of Energy and Infrastructure for Realty Activities Other than Electricity Projects | Infrastructure Ontario | Acquiring/disposing of Crown land or property; building repair, alteration, restoration (tourist information centre, patrol yard, child care centre) | April 2004 Amended 2008 |
| GO Transit Class Environmental Assessment Document | GO Transit | New commuter rail stations, bus terminals less than 12 ha; rail route extensions less than 50 km; maintenance/storage yard expansions | December 2003 Amended 2005 |
| Class Environmental Assessment for MNR Resource Stewardship and Facility Development Projects | Ministry of Natural Resources | Disposition of Crown resources, access roads; shoreline stabilization; fisheries habitat management | March 2003 |
| Class Environmental Assessment for Remedial Flood and Erosion Control Projects | Conservation Ontario | Water diversion; replacing bridges/culverts; channel realignments; berm, dyke, seawall construction; bank/slope stabilization | June 2002 Amended September 2009 |
| Class Environmental Assessment for Provincial Transportation Facilities | Ministry of Transportation | New highways; freeway widening; interchange improvements; provincial ferryboat connections; commuter parking lots | December 1997 and July 2000 |
| Class Environmental Assessment for Minor Transmission Facilities | Hydro One | Transmission lines, transformer stations, distribution towers, telecommunication towers | April 1992 |
