Oregon Hatchery Research Center fish counts

The Oregon Hatchery Research Center is located on Fall Creek, a tributary of the Alsea River. The facility was built on the site of the Fall Creek Fish Hatchery in 2006. At that time, hatchery releases were stopped and the creek was allowed to return to naturally spawning fish only.

The creek supports a wild run of Chinook and coho salmon, and winter steelhead trout. Chinook start to enter the trap mid to late October and continue through November. Coho also start to enter the trap in October and continue through January. Steelhead start to enter the trap in December and continue through April. Cutthroat trout are also collected October through December.

The fish trap is checked daily, and any time fish are seen the trap is processed. Each fish is identified by species and sex, and length, genetic, isotope, and scale samples are taken from each. Average wild Chinook returns are 79, average coho returns are 220, and average steelhead returns are 100. All wild fish are released above the fish ladder to spawn naturally, and any hatchery strays are removed from the spawning population and stream enriched.

Oregon Hatchery Research Center fish counts

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Archives (pdfs)

February 2021

Includes only days when fish are seen.

Fall Chinook	Coho	Winter Steelhead

Date	Fall Chinook
	Adult				Jack
	Daily			Cum.	Daily			Cum.
	Total	Unclip	Clipped	600	Total	Unclip	Clipped	16
1				600				16
2				600				16
3				600				16
4				600				16
5				600				16
6				600				16
7				600				16
8				600				16
9				600				16
10				600				16
11				600				16
12				600				16
13				600				16
14				600				16
15				600				16
16				600				16
17				600				16
18				600				16
19				600				16
20				600				16
21				600				16
22				600				16
23				600				16
24				600				16
25				600				16
26				600				16
27				600				16
28				600				16

Date	Coho
	Adult				Jack
	Daily			Cum.	Daily			Cum.
	Total	Unclip	Clipped	279	Total	Unclip	Clipped	179
1	1	1		280				179
2				280				179
3				280				179
4				280				179
5				280				179
6				280				179
7				280				179
8				280				179
9				280				179
10				280				179
11				280				179
12				280				179
13	1	1		281				179
14				281				179
15				281				179
16				281				179
17				281				179
18				281				179
19				281				179
20				281				179
21				281				179
22				281				179
23				281				179
24				281				179
25				281				179
26				281				179
27				281				179
28				281				179

Date	Winter Steelhead
	Adult
	Daily			Cum.
	Total	Unclip	Clipped	5
1	2	2		7
2	3	1	2	10
3				10
4				10
5				10
6				10
7				10
8				10
9				10
10				10
11	1		1	11
12	3	3		14
13	6	3	3	20
14	3	1	2	23
15	1	1		24
16				24
17	1		1	25
18				25
19				25
20				25
21				25
22				25
23				25
24				25
25				25
26				25
27				25
28				25

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