Blackfoot Dam

{{Infobox dam

| name = Blackfoot Dam

| location_map = Idaho

| coordinates = {{coord|43.00381|-111.71652|format=dms|type:landmark|display=inline,title}}

| location = Caribou County, Idaho

| purpose = Flood control, irrigation

| status = O

| opening = {{start date|1911}}

| dam_type = F

| operator = Bureau of Indian Affairs

| dam_crosses = Blackfoot River

| dam_height_foundation = {{convert|55|ft}}

| dam_length = {{convert|304|ft}}

| res_name = Blackfoot Reservoir

| res_capacity_total = {{convert|413,000|acre-ft|ML}}

| res_surface = {{convert|18,000|acres}}

}}

Blackfoot Dam ({{NID|ID00204}}) is a dam in Caribou County, Idaho, in the eastern part of the state.

The earthen dam was completed in 1911 by the United States Bureau of Indian Affairs, with a height of {{Convert|55|ft}} and {{Convert|304|ft}} long at its crest.{{Cite web |url=http://www.blm.gov/id/st/en/fo/pocatello/recreation_sites_/Blackfoot_Reservoir.html |title=Blackfoot Reservoir Campground |access-date=2012-08-28 |url-status=dead |archive-url=https://web.archive.org/web/20111026073421/http://www.blm.gov/id/st/en/fo/pocatello/recreation_sites_/Blackfoot_Reservoir.html |archive-date=2011-10-26 }} It impounds the Blackfoot River of Idaho for flood control and irrigation water storage primarily for the Fort Hall Indian Reservation. The dam is owned and operated by the Bureau. Its construction came eight years before the 1919 formation of Caribou County.{{Cite book |title=Historical Gazetteer of the United States |last=Hellmann |first=Paul T. |page=268}}

The reservoir it creates, Blackfoot Reservoir, has a water surface of {{convert|18,000|acres}}, and a maximum capacity of {{convert|413,000|acre feet}}.{{Cite web |url=http://www.blm.gov/id/st/en/fo/pocatello/recreation_sites_/Blackfoot_Reservoir.html |title=Blackfoot Reservoir Campground |access-date=2012-08-28 |url-status=dead |archive-url=https://web.archive.org/web/20111026073421/http://www.blm.gov/id/st/en/fo/pocatello/recreation_sites_/Blackfoot_Reservoir.html |archive-date=2011-10-26 }} Blackfoot Dam impounds the river at the northwestern end of the reservoir; the China Hat Dam towards the southwest of the reservoir was constructed in 1923 to resolve seepage problems.{{Cite web |url=http://www.idwr.idaho.gov/WaterInformation/Publications/wib/wib34-leakage_blackfoot_reservoir.pdf |title=Archived copy |access-date=2012-08-28 |archive-date=2012-05-12 |archive-url=https://web.archive.org/web/20120512110847/http://www.idwr.idaho.gov/WaterInformation/Publications/wib/wib34-leakage_blackfoot_reservoir.pdf |url-status=dead}} Recreation includes fishing for rainbow and cutthroat trout,[https://archive.today/20130205040126/http://www.theoutfitters-us.com/guided-waters/blackfoot-river-and-resevoir] (sic) as well as carp.