Lake Byllesby Dam

Dam in Dakota County and Goodhue County, Minnesota

44°30′42″N 92°56′24″W / 44.51180°N 92.94005°W / 44.51180; -92.94005StatusOperationalOpening date1910Owner(s)Dakota County, MinnesotaDam and spillwaysType of damConcrete gravity damImpoundsCannon RiverHeight75-foot (23 m)ReservoirCreatesLake ByllesbyTotal capacity20,000 acre-feet (25,000,000 m³)Surface area1,432 acres (580 ha)

Lake Byllesby Dam is a concrete gravity dam located in Randolph Township, Dakota County and Stanton Township, Goodhue County, Minnesota, just west of the city of Cannon Falls. It is approximately 30 miles (48 km) southeast of the Twin Cities.

The 75-foot (23 m)-high dam was built in 1910 by H.M. Byllesby & Company to impound the Cannon River for hydroelectric power. Its nameplate capacity is 1.8 MW.^[1]^[2] Byllesby, a former employee of both Edison and Westinghouse, formed what would become Northern States Power in 1909.^[3]

The dam created Lake Byllesby, with a surface area of 1,432 acres (580 ha) and a capacity of 20,000 acre-feet (25,000,000 m³).

The facility is owned and operated by Dakota County.

References

^ "Lake Byllesby". findlakes.com. Archived from the original on 2011-10-06.
^ "Home - Dam History". www.co.dakota.mn.us. Archived from the original on 2015-10-27.
^ "The Clarence Darrow Collection". Archived from the original on 2014-09-24. Retrieved 2012-07-29.