Fish Count Data Search

Year:
Location:
Species:



Location: Anchor River
Species: Chinook
Method: Sonar/Weir

The selected years are color-coded in the graphs below:

  • 2021
Daily Counts
Cumulative

Description:

Weirs are installed on the South and North forks of the Anchor River in early-May to begin monitoring Chinook salmon, coho salmon, and steelhead escapement through the fall. The South fork weir is located at river mile 2.5 and the North fork weir is located at river mile 3.4. Both weirs are located above the salmon sport fishery area, which ends at an ADFG marker approximately 200 yards upstream of the Old Sterling Highway Bridge. An underwater video system is installed within each floating resistance board weir and motion-detected fish passage is recorded 24 hours per day. High spring flows prevent installation of the South Fork floating weir in most years, so a partial fixed-picket weir with sonar external link is used until flows subside around the end of May.

Chinook salmon escapement has been monitored via weirs in the Anchor River since 2003. Escapements have ranged from a low of 2,499 in 2014, to a high of 12,016 in 2004. The Chinook salmon run to the Anchor River begins in May and lasts through early August. Historically, 50% of the Chinook salmon run had passed the weir by June 10, but later run timing in recent years has pushed the 50% date to June 22. The current Chinook salmon sustainable escapement goal is 3,800 – 7,600.

Coho salmon escapement in the Anchor River has previously been monitored in the late ‘80s and 2004-2011. Coho salmon escapements ranged from 2,409 to 20,187 in these years. Coho salmon begin entering the Anchor River in late-July and run through September. Run-timing typically peaks in late-August, although it is highly variable and subject to influence by river water levels. There is not currently an escapement goal established for Anchor River coho salmon.

Steelhead escapement in the Anchor River has not been fully enumerated, but partial counts of kelts (steelhead emigrating from the system in spring) and immigrating steelhead indicate run sizes are variable and typically small. The most complete fall counts occurred in 1988 and 1992 when 878 and 1,261 fish were counted, respectively. There is not an escapement goal established for Anchor River steelhead.

Sustainable Escapement Goal for Chinook: 3,800 - 7,600 (Graphed above)

Contact: Area Manager,
(907) 235-1739

108 records returned for the years selected. Dashes indicate days with no count.
[Export results in Excel format or JSON format]

Date
2021
Count
2021
Cumulative
2021
Notes for
2021
Aug-22 2 4,285 NF Video: 0 SF Video: 2
Aug-21 1 4,283 NF Video: 0 SF Video: 1
Aug-20 1 4,282 NF Video: 0 SF Video: 1
Aug-19 8 4,281 SF:4; NF4
Aug-18 7 4,273 SF:4; NF:3
Aug-17 10 4,266 NF Video: 4 SF Video: 6
Aug-16 7 4,256 NF Video: 3 SF Video: 4
Aug-15 9 4,249 NF Video: 1 SF Video:8
Aug-14 8 4,240 NF Video: 2 SF Video: 6
Aug-13 21 4,232 NF Video: 6 SF Video: 15
Aug-12 11 4,211 NF Video: 7 SF Video: 4
Aug-11 11 4,200 NF Video: 3 SF Video: 8
Aug-10 5 4,189 NF Video: 1 SF Video 4
Aug-09 11 4,184 NF Video: 6 SF Video: 5
Aug-08 17 4,173 NF Video: 6 SF Video: 11
Aug-07 11 4,156 NF Video: 2 SF Video: 9
Aug-06 19 4,145 NF Video: 8 SF Video: 11
Aug-05 26 4,126 NF Video: 10 SF Video: 16
Aug-04 7 4,100 NF Video: 0 SF Video: 7
Aug-03 15 4,093 NF Video: 3 SF Video: 12
Aug-02 16 4,078 NF Video: 7 SF Video: 9
Aug-01 3 4,062 NF Video: 3 SF Video: 0
Jul-31 15 4,059 NF Video: 8 SF Video: 7
Jul-30 24 4,044 NF Video: 6 SF Video: 18
Jul-29 10 4,020 NF Video: 5 SF Video: 5
Jul-28 13 4,010 NF Video: 1 SF Video: 12
Jul-27 9 3,997 NF Video: 5 SF Video: 4
Jul-26 21 3,988 NF Video: 11 SF Video: 10
Jul-25 6 3,967 NF Video: 3 SF Video: 3
Jul-24 20 3,961 NF Video: 11 SF Video: 9
Jul-23 15 3,941 NF Video: 0 SF Video: 15
Jul-22 42 3,926 NF Video: 1 SF Video: 41
Jul-21 43 3,884 NF Video: 33 SF Video: 10
Jul-20 18 3,841 NF Video: 14 SF Video: 4
Jul-19 96 3,823 NF Video: 49 SF Video: 47
Jul-18 65 3,727 NF Video: 26 SF Video: 39
Jul-17 131 3,662 NF Video: 32 SF Video: 99
Jul-16 111 3,531 NF Video: 53 SF Video: 59
Jul-15 87 3,420 NF Video: 38 SF Video: 49
Jul-14 218 3,333 NF Video: 89 SF Video: 129
Jul-13 172 3,115 NF Video: 107 SF Video: 65
Jul-12 124 2,943 NF Video: 84 SF Video: 40
Jul-11 93 2,819 NF Video: 34 SF Video: 59
Jul-10 423 2,726 NF Video: 321 SF Video: 102
Jul-09 41 2,303 NF Video: 2 SF Video: 39
Jul-08 34 2,262 NF Video: 6 SF Video: 28
Jul-07 45 2,228 NF Video: 29 SF Video: 16
Jul-06 82 2,183 NF Video: 66 SF Video: 16
Jul-05 12 2,101 NF Video: 0 SF Video: 12
Jul-04 12 2,089 NF video: 4 SF video: 8
Jul-03 35 2,077 NF video: 2 SF video: 33
Jul-02 31 2,042 NF video: 13 SF video: 18
Jul-01 21 2,011 NF Video: 17 SF Video: 4
Jun-30 16 1,990 NF Video: 2 SF Video: 14
Jun-29 38 1,974 NF Video: 8 SF Video: 30
Jun-28 30 1,936 NF Video: 3 SF Video: 27
Jun-27 16 1,906 NF Video: 0 SF Video 16
Jun-26 33 1,890 NF Video: 2 SF Video: 31
Jun-25 30 1,857 NF Video: 0 SF Video: 30
Jun-24 14 1,827 NF Video: 2 SF Video 12
Jun-23 27 1,813 NF Video: 3 SF Video: 24
Jun-22 32 1,786 NF Video: 2 SF Video: 30
Jun-21 362 1,754 NF Video: 283 SF Video: 79
Jun-20 32 1,392 NF Video: 2 SF Video: 30
Jun-19 29 1,360 NF video: 0 SF video: 29
Jun-18 47 1,331 NF video: 2 SF video: 45
Jun-17 5 1,284 NF Video: 0 SF Video: 5
Jun-16 28 1,279 NF Video: 2 SF Video: 26
Jun-15 64 1,251 NF Video: 2 SF Video: 62
Jun-14 38 1,187 NF Video: 1 SF Video: 37
Jun-13 33 1,149 NF Video: 2 SF: Video: 31
Jun-12 38 1,116 NF Video: 9 SF Video: 29
Jun-11 74 1,078 NF Video 16 SF Video 58
Jun-10 42 1,004 NF Video: 5 SF Video: 37
Jun-09 27 962 NF Video: 6 SF: Video 21
Jun-08 13 935 NF video: 3 SF Video: 10
Jun-07 214 922 NF video: 47 SF Video: 167
Jun-06 181 708 NF Video: 1 SF Video: 180
Jun-05 116 527 NF video:5 & SF Video: 111
Jun-04 136 411 NF video:34 SF Video: 102
Jun-03 109 275 NF Video:2 SF Video:107
Jun-02 39 166 NF Video: 0 SF Video: 39
Jun-01 37 127 NF Video: 1 SF Video: 36
May-31 15 90 NF Video: 0 SF Video: 15
May-30 0 75 NF Video: 0, SF Video: 0
May-29 9 75 NF Video: 0 SF Video: 9
May-28 3 66 NF Video: 3 SF Video: 0
May-27 8 63 NF Video: 2 SF Video: 6
May-26 17 55 NF Video: 2 SF Video: 15
May-25 6 38 NF Video: 0 SF Video: 6
May-24 16 32 NF video: 1 SF Video: 15
May-23 6 16 NF Video: 0 SF Video: 6
May-22 6 10 NF Video: 0 SF Video: 6
May-21 4 4 NF video: 1 SF Video: 3
May-20 0 0 NF Video 0, SF Video 0
May-19 0 0 NF Video: 0, SF Video: 0
May-18 0 0 NF Video: 0, SF Video 0
May-17 0 0 NF Video: 0, SF Video 0
May-16 0 0 NF Video: 0
May-15 0 0 NF Video: 0
May-14 0 0 NF Video: 0
May-13 0 0 NF Video: 0
May-12 - 0 NF Video: 0
May-11 0 0 NF Video: 0
May-10 0 0 NF Video: 0
May-09 - 0 NF Video: 0
May-08 0 0 NF Video: 0
May-07 0 0 NF Video: 0