Mill Creek (Marion County, Oregon)
| Mill Creek | |
 Mill Creek at Turner
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| Name origin: A 19th-century sawmill along the creek | |
| Country | United States |
|---|---|
| State | Oregon |
| County | Marion |
| Source | Coon Hollow |
| - location | east of Sublimity |
| - elevation | 841 ft (256 m) |
| - coordinates | 44°49′54″N 122°42′19″W / 44.83167°N 122.70528°W |
| Mouth | Willamette River |
| - location | Salem |
| - elevation | 125 ft (38 m) |
| - coordinates | 44°57′05″N 123°02′17″W / 44.95139°N 123.03806°WCoordinates: 44°57′05″N 123°02′17″W / 44.95139°N 123.03806°W |
| Length | 25.7 mi (41 km) |
| Basin | 111 sq mi (287 km2) |
  Location of the mouth of Mill Creek in Oregon
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Mill Creek is a 26-mile (42 km) tributary of the Willamette River that drains a 111-square-mile (290 km2) area of Marion County in the U.S. state of Oregon. Flowing generally west from its source south of Silver Falls State Park, it passes through the cities of Aumsville, Stayton, Sublimity, and Turner before emptying into the Willamette in Salem.
Salem's first gristmill and sawmill were built on the creek in 1840–41 by members of the Oregon Mission.
Mill Creek begins at the confluence of South Fork Mill Creek and North Fork Mill Creek in Coon Hollow, about 4 miles (6.4 km) east of Sublimity. It flows generally west, passing under Oregon Route 22 between Sublimity, to the creek's , and Stayton, to the . Near river mile (RM) 18 or river kilometer (RK) 29, the creek receives Salem Ditch from the left; the ditch transports water from the North Santiam River to Mill Creek. The creek reaches Aumsville, on the stream's right, at RM 15 (RK 24), and Beaver Creek enters from the right just beyond RM 12 (RK 19).
The creek bisects Turner, situated 10 miles (16 km) from the mouth. At Turner, Franzen Reservoir is to the right, and Perrin Lateral enters from the left; like Salem Ditch, it is an artificial channel that carries water from the North Santiam River to Mill Creek. Slightly west of Turner, Mill Creek receives Battle Creek from the left and turns north, passing under Salem–Turner Road at about RM 7 (RK 11).
Less than 2 miles (3 km) further downstream, Mill Creek passes under Interstate 5, which it parallels for about 1 mile (2 km) before passing under Route 22 again and turning northwest. Along the I-5 stretch, Walter Wirth Lake and McNary Field (Salem Municipal Airport) are on the left; near Route 22, the unincorporated neighborhood of Four Corners is on the right. At RM 3.5 (RK 5.6), the creek intersects Shelton Ditch, an artificial channel on the left that diverts water from Mill Creek to Pringle Creek.
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Wikipedia