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The Atlas of Oregon ranks 31 rivers in the state by average streamflow; the top five are the Columbia, Snake, Willamette, Santiam, and Umpqua. [1] Not all Oregon rivers with high average flows are on this list of longest streams because neither their main stems nor any of their tributaries (including what are called "forks") are at least 50 ...
Big Butte Creek begins in the Cascade Range near Butte Falls.It flows generally northwest over approximately 12 miles (19 km) to its confluence with the Rogue River. [3] [6] The two main forks of Big Butte Creek, the North Fork and the South Fork, merge at 2,244 feet (684 m) above sea level, [a] while the creek's mouth is located at an elevation of 1,562 feet (476.1 m).
The USGS and the water bureau operate a stream gauge at RM 4.7 (RK 7.6), which is 1.8 miles (2.9 km) downstream from Bull Run Reservoir 2 and the water system intake. Measurements are for the river only and do not include water diverted upstream of the gauge to the city water supply or to a former power plant.
This is a list of rivers in the continental United States by average discharge (streamflow) in cubic feet per second. All rivers with average discharge more than 15,000 cubic feet per second are listed.
The USGS monitors the flow of the Siletz River at a station east of Siletz and 42.6 miles (68.6 km) from the mouth. The average flow of the river at this station is 1,500 cubic feet per second (42 m 3 /s). This is from a drainage area of 202 square miles (523.2 km 2), or about 54 percent of the total Siletz River watershed.
USGS operates a number of water-related programs, notably the National Streamflow Information Program [23] and National Water-Quality Assessment Program. [24] USGS Water data is publicly available from their National Water Information System [25] database.
In fiscal year 2008, the USGS provided 35% of the funding for everyday operation and maintenance of gauges. [8] Additionally, USGS uses hydrographs to study streamflow in rivers. A hydrograph is a chart showing, most often, river stage (height of the water above an arbitrary altitude) and streamflow (amount of water, usually in cubic feet per ...
The average flow of the creek at this station in 2008, the only full calendar year for which data was available in 2010, was 202 cubic feet per second (5.7 m 3 /s). [5] The maximum flow recorded there was 1,880 cubic feet per second (53 m 3 /s) on January 11, 2008, [ 9 ] and the minimum flow was 6.4 cubic feet per second (0.18 m 3 /s) on ...