Whitman Lake
Whitman Lake is a traditional dam on Whitman Creek near Ketchikan, Alaska.
Summary
Project Name: Whitman Lake
FERC Project Number: P-11841
Water Body: Whitman Creek
Region: Southeast
Type of Project: Storage Dam
Status: Operating
Details
Primary User: Ketchikan
Operating Utility: Ketchikan Public Utilities
FERC License Expiration: March 17, 2059
Nameplate Power Capacity (MW): 4.5
Annual Estimate Generation (GWH): 16
Surface Area of Impoundment (acres): 148
Project Details: Existing 39-foot high, 220-foot long concrete gravity arch with a crest elevation of 385 ft.; There is also a 25 ft high by 40-foot wide diversion structure on Achilles Creek.
NOAA Fisheries Trust Resources: Coho salmon, chum salmon
NOAA Fisheries Area of Interest: The tailrace below the powerhouse is not a natural channel, but it attracts salmon, which can become stranded if the power plant shuts off quickly at lower tides.