C.M.R. 13, 188, ch. 60, The Strategic Plan For The Restoration Of Shad and Alewives To The Kennebec River Above Augusta, app 188-60-1

Current through 2024-25, June 19, 2024
Appendix 188-60-1 - Fish Passage Requirements for Dams on the Mainstem of Kennebec River and Major Tributaries

Appendix 1: Fish Passage Requirements for Dams on the Mainstem of Kennebec River and Major Tributaries.

Dam Miles Above Tidewa Gross Static Head PASSAGE REQUIREMENTS
Shad1Alewife2
Kennebec River - Mainsitem
1. Edwards Dam Augusta 0 17 385,216 1,547,879
2. Mi Istar Dam Waterville 18 21 228,471 164,640
3. T & A Mills Dam Scott Paper Co. Waterville 20 23 205,625 148,175
4. Shawmut Dam CMP Fairfield 26 24 176,514 133,358
5. Weston Dam CMP Skovhegan 38 35 106,074 50,600
Sebasticook River
31 Fort Halifax Dam CMP Wins low IS 30 77,707 1,135,711
39a Benton Falls Dam Benton Falls 26 31 57,531 767,267
39 Burnham Hydro Burnham u0 33 22,224 599,567
Sandy River
53 Madison Electric Norridgewock 52 . 17 41,825 45,539

1Shad passage requirements are based on a 50% escapement rate and a 90% fish passage efficiency at each fishway. The 10% loss was allocated to spawning requirements of the impoundment below the fishway.

2Alewife passage requirements arc based on an escapement rate of 35 adult alewives per acre of spawning habitat. A 90% fish passage efficiency was assumed at each fishway.

C.M.R. 13, 188, ch. 60, The Strategic Plan For The Restoration Of Shad and Alewives To The Kennebec River Above Augusta, app 188-60-1