The Credit River in Port Credit
|Etymology||From Rivière au Crédit, used by French fur traders|
|• location||near Orangeville, Ontario and Caledon East, Ontario|
|• elevation||400 m (1,300 ft)|
|74 m (243 ft)|
|Length||90 km (56 mi)|
|Basin size||1,000 km2 (390 sq mi)|
|• location||Erindale, Mississauga|
|• average||8.12 m3/s (287 cu ft/s)|
|• minimum||0.085 m3/s (3.0 cu ft/s)|
|• maximum||501 m3/s (17,700 cu ft/s)|
The Credit River is a river in southern Ontario, which flows from headwaters above the Niagara Escarpment near Orangeville and Caledon East to empty into Lake Ontario at Port Credit, Mississauga. It drains an area of approximately 1,000 square kilometres (390 sq mi). The total length of the river and its tributary streams is over 1,500 kilometres (930 mi).
Despite urbanization and associated problems with water quality on the lower section of this river, it provides spawning areas for Chinook salmon and rainbow trout. There is a fish ladder on the river at Streetsville. Much of the river can still be travelled by canoe or kayak. The headwaters of the Credit River is home to a native self-sustaining brook trout population and an introduced brown trout population.
Communities in the river's watershed include the following:
The river became known as Missinnihe (Eastern Ojibwa: "trusting creek") to the Mississaugas First Nation who met annually with white traders there. To the First Nations, the river was "held in reverential estimation as the favourite resort of their ancestors" and the band, which ranged from Long Point on Lake Erie to the Rouge River on Lake Ontario, became known as the Credit River Indians. Their descendants are today the Mississaugas of the New Credit First Nation.
The origins of the English name come from the time when French fur traders supplied goods to the native people in advance (on credit) against furs which would be delivered the following spring. It was known as the Rivière au Crédit. The trading post was set up at the mouth of the river, in Port Credit, in the early 18th century.
Watershed population and land use
As of the 2006 census, 750,000 people live in the watershed. Of those, 87 percent live in the lower third of the watershed. Population growth is approximately 3 percent per year. In 1999, 21 percent of the watershed was developed. By 2020, 40 percent of the watershed will be developed (based on approved development and the official plans of the municipalities).
Plants and animals
The Credit River is home to a wide range of wildlife. Some species are permanent or seasonal residents while others are sighted occasionally. This watershed is home to 1,330 plant species, 64 fish species (including many bait fish, pike, and brook trout), 41 mammal species, 5 turtle species, 8 snake species, 17 amphibian species, and 244 bird species.
- Common snapping turtle, Chelydra serpentina
- Midland painted turtle, Chrysemys picta marginata
- Red-eared slider, Trachemys scripta elegans
- Blanding's turtle, Emydoidea blandingii
- Common map turtle, Graptemys geographica
- Eastern garter snake, Thamnophis sirtalis sirtalis
- Northern redbelly snake, Storeria occipitomaculata
- Northern brown snake, Storeria dekayi
- Northern ringneck snake, Diadophis punctatus edwardsii
- Eastern milk snake, Lampropeltis triangulum triangulum
- Northern water snake, Nerodia sipedon
- Smooth green snake, Opheodrys vernalis
- Northern ribbon snake, Thamnophis sauritus septentrionalis
- Common mudpuppy, Necturus maculosus maculosus
- Red-spotted newt (eastern), Notophthalmus viridescens
- Jefferson salamander, Ambystoma jeffersonianum
- "Silvery salamander"
- "Tremblay's salamander"
- Blue-spotted salamander, Ambystoma laterale
- Northern redback salamander, Plethodon cinereus
- Four-toed salamander, Hemidactylium scutatum
- Spotted salamander, Ambystoma maculatum
- Eastern American toad, Anaxyrus americanus americanus
- Northern spring peeper, Pseudacris crucifer crucifer
- Tetraploid grey treefrog, Hyla versicolor
- Striped chorus frog (western), Pseudacris triseriata triseriata
- Wood frog, Lithobates sylvaticus
- Northern leopard frog, Lithobates pipiens
- Pickerel frog, Lithobates palustris
- Green frog, Lithobates clamitans
- Mink frog, Lithobates septentrionalis
- Bullfrog, Lithobates catesbeianus
In popular culture
List of major roadways crossing over the Credit in Peel Region:
- Lakeshore Road - 4 lane steel box girder bridge
- QEW - two span open spandrel deck arch bridges built in 1934 and widened 1960; maybe demolished and replaced pending review
- Dundas Street West - two separate span steel box girder bridges
- Burnhamthorpe Road West - two separate span concrete bridges
- Ontario Highway 403 - 8 lane concrete girder overpass(es)
- Eglinton Avenue West - two separate span concrete bridges
- a lower small steel truss bridge for pedestrian trail visible from the north side
- Bristol Road West - two lane concrete girder bridge
- Britannia Road - 4 lane concrete overpass
- Creditview Road - concrete overpass being widened with new span to accommodate 4 lanes
- Ontario Highway 401 - 6 lane concrete girder overpasses
- Old Derry Road West - two lane steel Warren truss bridge (c. 1930 and rehabilitated in 2005)
- Derry Road - 6 lane concrete overpass
- Ontario Highway 407 - two separate span 8 lane concrete girder overpasses
- Steeles Avenue West - 4 lane concrete girder overpass
- Creditview Road - single lane concrete bowstring bridge c. 1928
- Mississauga Road - 4 lane concrete girder overpass near Queen Street in Brampton
- Heritage Road - 2 lane concrete overpass
- Ontario Highway 7 / Guelph Street - 2 lane overpass
Only the QEW spans and the Old Derry Road bridges have historic significance as the rest were basic bridges built since the mid 20th Century.
- "Credit River". Geographical Names Data Base. Natural Resources Canada.
- Google Earth elevation for source coordinates
- "Credit River Watershed". Credit Valley Conservation. Archived from the original on 9 August 2010. Retrieved 31 October 2010.
- Station 02HB002 (Credit River at Erindale), Archived Hydrometric Data Archived 2007-12-31 at the Wayback Machine, Water Survey of Canada
- Smith 1987, p. 21.
- "Amphibians & Reptiles of the Credit". Credit Valley Conservation. Retrieved 2020-03-15.