| Credit River - Brampton | Credit River | Credit River | Credit Valley | 2008 | Credit Valley Conservation |
| Credit River - Halton Hills, Caledon & Orangeville | Credit River | Credit River | Credit Valley | 2007 | Credit Valley Conservation |
| Loyalist Creek | Loyalist Creek | Credit River | Credit Valley | 2000 | Credit Valley Conservation |
| Mullet Creek | Mullet Creek | Credit River | Credit Valley | 1997 | Credit Valley Conservation |
| Fletcher's Creek | Fletcher's Creek | Credit River | Credit Valley | 2005 | Credit Valley Conservation |
| Levi Creek | Levi Creek | Credit River | Credit Valley | 1997 | Credit Valley Conservation |
| Huttonville Creek | Huttonville Creek | Credit River | Credit Valley | 2004 | Credit Valley Conservation |
| Springbrook Tributary | Springbrook Tributary | Credit River | Credit Valley | 2004 | Credit Valley Conservation |
| Black, Silver, Snows, and Beeny Creek | Black, Silver, Snows, and Beeny Creek | Credit River | Credit Valley | 2013 | Credit Valley Conservation |
| East Credit River | East Credit River | Credit River | Credit Valley | 1975 | Credit Valley Conservation |
| West Credit River | West Credit River | Credit River | Credit Valley | 2008 | Credit Valley Conservation |
| Caledon Creek | Caledon Creek | Credit River | Credit Valley | 1975 | Credit Valley Conservation |
| Shaw's Creek | Shaw's Creek | Credit River | Credit Valley | 2007 | Credit Valley Conservation |
| Monora Creek | Monora Creek | Credit River | Credit Valley | 1987 | Credit Valley Conservation |
| Mill Creek | Mill Creek | Credit River | Credit Valley | 1987 | Credit Valley Conservation |
| Clearview Creek | Clearview Creek | Clearview Creek | Credit Valley | 2000 | Credit Valley Conservation |
| Avonhead Creek | Avonhead Creek | Avonhead Creek | Credit Valley | 2000 | Credit Valley Conservation |
| Lakeside Creek | Lakeside Creek | Lakeside Creek | Credit Valley | 2003 | Credit Valley Conservation |
| Turtle Creek | Turtle Creek | Turtle Creek | Credit Valley | 2002 | Credit Valley Conservation |
| Birchwood Creek | Birchwood Creek | Birchwood Creek | Credit Valley | 1996 | Credit Valley Conservation |
| Lornewood Creek | Lornewood Creek | Lornewood Creek | Credit Valley | 2001 | Credit Valley Conservation |
| Cawthra Creek | Cawthra Creek | Cawthra Creek | Credit Valley | 2003 | Credit Valley Conservation |
| Serson Creek | Serson Creek | Serson Creek | Credit Valley | 2003 | Credit Valley Conservation |
| Wilmot Creek Newcastle Floodline Mapping Dillon 1977 | Wilmot Creek | Wilmot Creek | Ganaraska Region | 1977 | Ganaraska Region Conservation Authority |
| Osgoode Garden Cedar Acres Municipal Drain Flood Risk Mapping: Final Report | Osgoode Garden Cedar Acres Municipal Drain | South Nation River; Castor River Subwatershed | South Nation | 2014 | South Nation Conservation |
