Oldest Dams in Alaska

Alaska has 96 dams with recorded construction dates. The oldest dates to 1905 — 121 years ago. Older dams require particular attention for safety, as many were built before modern engineering standards.

#	Dam	County	Year Built	Age	Height (ft)	Hazard	Condition
1	Lower Dewey	Municipality of Skagway	1905	121 yrs	28	Low	Satisfactory
2	Dewey Forebay	Municipality of Skagway	1905	121 yrs	30	Low	Satisfactory
3	Salmon Creek	City and Borough of Juneau	1914	112 yrs	175	High	Satisfactory
4	Alitak Cannery Dam #1	Kodiak Island Borough	1917	109 yrs	9	High	Poor
5	Lake Osprey Dam	City and Borough of Sitka	1919	107 yrs	8	Low	Not Rated
6	Whitman Lake	Ketchikan Gateway Borough	1927	99 yrs	39	High	Satisfactory
7	Ward Cove Cannery Dam	Ketchikan Gateway Borough	1932	94 yrs	27	Low	Not Rated
8	Douglas Island Dam	City and Borough of Juneau	1937	89 yrs	26	High	Fair
9	Hydaburg Dam	Prince of Wales-Hyder Census Area	1939	87 yrs	8	Significant	Not Rated
10	New England Fish Co Dam	Aleutians East Borough	1940	86 yrs	10	Low	Not Rated
11	Bonnie Rose Lake Dam	Aleutians West Census Area	1943	83 yrs	15	Significant	Not Rated
12	Lake Leone Dam	Aleutians West Census Area	1945	81 yrs	9	Significant	Not Rated
13	North Lake West Dam	Aleutians West Census Area	1945	81 yrs	10	Significant	Not Rated
14	Lowell Creek	Kenai Peninsula Borough	1945	81 yrs	34	High	Not Rated
15	Hess Creek Dam	Yukon-Koyukuk Census Area	1946	80 yrs	56	Significant	Unsatisfactory
16	Chignik	Lake and Peninsula Borough	1947	79 yrs	17	Low	Satisfactory
17	Petersburg Upper Dam	Petersburg Borough	1950	76 yrs	27	Significant	Fair
18	Lake Demarie Dam	Aleutians West Census Area	1951	75 yrs	19	Significant	Not Rated
19	Seldovia Upper Dam	Kenai Peninsula Borough	1953	73 yrs	25	Low	Poor
20	Lake Connell	Ketchikan Gateway Borough	1953	73 yrs	96	High	Satisfactory
21	Lower Silvis	Ketchikan Gateway Borough	1954	72 yrs	32	Low	Satisfactory
22	Chiniak Satellite Tracking Sta. Dam	Kodiak Island Borough	1954	72 yrs	10	Low	Not Rated
23	Ship Creek Dam	Municipality of Anchorage	1954	72 yrs	50	High	Fair
24	Crystal Lake	Petersburg Borough	1955	71 yrs	43	High	Satisfactory
25	Ketchikan Lakes	Ketchikan Gateway Borough	1957	69 yrs	34	High	Satisfactory
26	Campbell Lake Dam	Municipality of Anchorage	1957	69 yrs	11	Low	Fair
27	Cooper Lake	Kenai Peninsula Borough	1959	67 yrs	52	High	Satisfactory
28	Fawn Lake Dam North	Ketchikan Gateway Borough	1959	67 yrs	15	Significant	Satisfactory
29	Lower Fire Lake Dam	Municipality of Anchorage	1960	66 yrs	13	High	Fair
30	Blue Lake	City and Borough of Sitka	1961	65 yrs	294	High	Satisfactory
31	Stover Dam	Kodiak Island Borough	1962	64 yrs	11	Low	Not Rated
32	Big Kitoi	Kodiak Island Borough	1962	64 yrs	9	Low	Not Rated
33	Alitak Cannery Dam #3	Kodiak Island Borough	1964	62 yrs	8	Low	Not Rated
34	Alitak Cannery Dam #4	Kodiak Island Borough	1964	62 yrs	12	Low	Not Rated
35	Alitak Cannery Dam #2	Kodiak Island Borough	1964	62 yrs	18	Low	Poor
36	Itasigrook	North Slope Borough	1964	62 yrs	13	Significant	Satisfactory
37	Eklutna Dam	Municipality of Anchorage	1965	61 yrs	56	High	Satisfactory
38	Wrangell Upper	City and Borough of Wrangell	1967	59 yrs	28	High	Poor
39	Annex Creek	City and Borough of Juneau	1968	58 yrs	20	Low	Satisfactory
40	Wrangell Lower	City and Borough of Wrangell	1968	58 yrs	28	High	Poor
41	Shotter Creek Upper Dam	Hoonah-Angoon Census Area	1968	58 yrs	9	Significant	Fair
42	Upper Silvis	Ketchikan Gateway Borough	1968	58 yrs	60	Low	Satisfactory
43	Bettinger Upper Reservoir Dam	Kodiak Island Borough	1968	58 yrs	67	High	Fair
44	Pillar Creek Dam No.1.b	Kodiak Island Borough	1968	58 yrs	24	Significant	Fair
45	Pillar Creek Dam No. 2.a	Kodiak Island Borough	1968	58 yrs	17	Significant	Fair
46	Pillar Creek Dam No. 2.b	Kodiak Island Borough	1968	58 yrs	17	Significant	Fair
47	Pillar Creek Dam No. 2.c	Kodiak Island Borough	1968	58 yrs	24	Significant	Fair
48	Pillar Creek Dam No.1.a	Kodiak Island Borough	1969	57 yrs	45	Significant	Fair
49	Lake Lucile Dam	Matanuska-Susitna Borough	1969	57 yrs	6	Significant	Satisfactory
50	Adak Log Dam	Aleutians West Census Area	1970	56 yrs	9	Low	Poor

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