Geography
| Black Creek | |
| River | |
| Basin | 79.28 km2 (31 sq mi) |
|---|---|
| Discharge | for 43°37′45″N 80°0′37″W / 43.62917°N 80.01028°W / 43.62917; -80.01028 |
| - average | 0.231 m3/s (8 cu ft/s) |
| - max | 0.353 m3/s (12 cu ft/s) |
| - min | 0.142 m3/s (5 cu ft/s) |
| Credit River, West Branch | |
| River | |
| Basin | 127.00 km2 (49 sq mi) |
|---|---|
| Discharge | for 43°38′47″N 79°51′58″W / 43.64639°N 79.86611°W / 43.64639; -79.86611 |
| - average | 1.33 m3/s (47 cu ft/s) |
| - max | 2.06 m3/s (73 cu ft/s) |
| - min | 0.683 m3/s (24 cu ft/s) |
The Town is bisected by the Niagara Escarpment from southwest to northeast, and a significant portion of the rural area is located within the provincial Greenbelt. Above the Escarpment, a large proportion of the rural area is classified as environmentally sensitive wetlands, and there are several sites that are licensed for aggregate extraction, for which expansion requires detailed environmental assessment. Below the Escarpment, the rural area is mainly agricultural, with the exception of an industrial area currently being development between Highway 401 and Steeles Avenue.
The Town also forms part of three watersheds:
-
- to the west of Acton, a small area flows toward the Grand River
- the northern half flows into the Credit River, including the Black Creek and Silver Creek tributaries
- the southern half flows into the Sixteen Mile Creek
The Water Survey of Canada operates two hydrometric monitoring stations in the Town, on the Black Creek below Acton, and at Norval on the Credit River.
Read more about this topic: Halton Hills
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