Prairie Coteau Watershed Improvement & Protection Project

Buffalo Lake is located in southeast Marshall County. The major land use in the watershed is range and pasture.


North Buffalo Lake

Maximum Depth: 12 feet 

Mean Depth: 10 feet

Lake Volume: 1,070 acre-ft

Surface Area: 107 acres 

Shoreline Length: NA

Watershed Acres: 18,733 acres


South Buffalo Lake

Maximum Depth: 12 feet 

Mean Depth: 6 feet

Lake Volume: 10,680 acre-ft

Surface Area: 1,780 acres 

Shoreline Length: 27.8 miles

Watershed Acres: 16,781 acres


Major Tributaries:  No major tributaries, five small unnamed tributaries enter South Buffalo Lake which flows to North Buffalo Lake during periods of high water.  There is one small unnamed tributary entering North Buffalo Lake.  North Buffalo flows north to Almos Lake which flows to South Red Iron Lake.


Warm Water Semi-Permanent Fisheries: black bullhead, black crappie, bluegill, common carp, fathead minnow, golden shiner, green sunfish, johnny darter, largemouth bass, northern pike, orange-spotted sunfish, rock bass, smallmouth bass, spottail shiner, walleye, white sucker, yellow perch


For additional information on Buffalo Lake click on the following links:


Watershed Map


SD GF&P Lake Contour Map