Spillimacheen River

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Spillimacheen River
Data
location British Columbia ( Canada )
River system Columbia River
Drain over Columbia River  → Pacific Ocean
Headwaters north of the Purcell Mountains
51 ° 16 ′ 1 ″  N , 117 ° 17 ′ 57 ″  W
Source height approx.  1900  m
muzzle Columbia River Coordinates: 50 ° 55 '47 "  N , 116 ° 23' 48"  W 50 ° 55 '47 "  N , 116 ° 23' 48"  W.
Mouth height approx.  790  m
Height difference approx. 1110 m
Bottom slope approx. 12 ‰
length approx. 90 km
Catchment area approx. 1460 km²
Discharge
A Eo : 1460 km²
Location: 3 km above the mouth 		MQ 1951/2016
Mq 1951/2016
 		34.6 m³ / s
23.7 l / (s km²)
Right tributaries Bobbie Burns Creek

The Spillimacheen River is an approximately 90 km long left tributary of the Columbia River in the eastern part of the Canadian province of British Columbia .

River course

The headwaters of the Spillimacheen River is located at an altitude of about 1900  m in the north of the Purcell Mountains below Bald Mountain and Copperstain Mountain . The Spillimacheen River flows mainly in a south-easterly direction through the mountains. 16 km above the mouth, the Bobbie Burns Creek , the most important tributary, meets the Spillimacheen River from the west. This finally flows into the Columbia River 57 km southeast of Golden at the Spillimacheen settlement . 1.5 km above the estuary, an estuary branches off to the left.

Hydrology

The catchment area of ​​the Spillimacheen River covers an area of ​​approximately 1460 km². The mean discharge 3 km above the mouth is 34.6 m³ / s. The highest runoffs usually occur between June and August.

Use of hydropower

4.8 km above the mouth there is a weir, to which a part of the river water 1100 m long tunnel and two short pressure lines the effluent situated above a hydroelectric power plant is supplied. The power station operated by BC Hydro is 3.2 km above the estuary. It has 3 Francis turbines (2 × 0.9 MW and 1 × 2.2 MW). The expansion flow is 8.25 m³ / s. The average annual production is 21 GWh.

Web links

Individual evidence

  1. ↑ a b c d Government of Canada: Historical Hydrometric Data Search Results: Station 08NA011
  2. ↑ a b c Spillimacheen Project Water Use Plan (PDF, 2.5 MB) BC hydro; wayback machine - internet archive. July 15, 2005. Retrieved April 2, 2018.