Grade Stabilization Dams

1,146 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Scott Rutherford Dam Cass	Low Hazard	26 ft	2002	Earth	Missouri
Scurlock Dam Schuyler	Low Hazard	33 ft	1991	Earth	Missouri
Selway Dam Clark	Low Hazard	26 ft	2006	Earth	Missouri
Sever Lake North Dam Knox	Low Hazard	24 ft	1968	Earth	Missouri
Seyb Dam Clark	Low Hazard	34 ft	1995	Earth	Missouri
Shahan Dam Adair	Low Hazard	26 ft	1993	Earth	Missouri
Shannon Dam Clark	Low Hazard	26 ft	2006	Earth	Missouri
Sharp Dam Adair	Low Hazard	27 ft	2008	Earth	Missouri
Sharp Dam Linn	Low Hazard	30 ft	2003	Earth	Missouri
Shelton Dam Schuyler	Low Hazard	31 ft	1996	Earth	Missouri
Shelton Lake Dam Nodaway	Low Hazard	27 ft	1957	Earth	Missouri
Shirkey Recreation Park Lake Dam Ray	Significant Hazard	23 ft	1968	Earth	Missouri
Shives Dam Schuyler	Low Hazard	28 ft	2004	Earth	Missouri
Sidwell Dam Schuyler	Low Hazard	30 ft	1994	Earth	Missouri
Sidwell Dam Schuyler	Low Hazard	34 ft	1991	Earth	Missouri
Silas Mccubbin Lake Dam Boone	Low Hazard	28 ft	1979	Earth	Missouri
Ski Roundtop York	Significant Hazard	20 ft	—	Earth	Pennsylvania
Sloan Lake Dam Caldwell	Low Hazard	29 ft	1977	Earth	Missouri
Small Dam Clark	Low Hazard	26 ft	2006	Earth	Missouri
Small-Small Road Structure Schuyler	Low Hazard	31 ft	2003	Earth	Missouri
Smarr Lake Dam Boone	Low Hazard	25 ft	1967	Earth	Missouri
Smith Washington	Low Hazard	19 ft	—	Concrete	Minnesota
Smith (Bill) Dam Union	Low Hazard	28 ft	2013	Earth	Iowa
Smith Dam Washington	Low Hazard	26 ft	2000	Earth	Iowa
Smith Dam Sullivan	Low Hazard	30 ft	2006	Earth	Missouri
Smith Dam Linn	Low Hazard	27 ft	1997	Earth	Missouri
Smith (Steve) Dam Harrison	Low Hazard	34 ft	2011	Earth	Iowa
Smithy Dam No. 1 Ray	Low Hazard	32 ft	1992	Earth	Missouri
Snowbarger Dam Schuyler	Low Hazard	33 ft	1991	Earth	Missouri
Snyder Dam Adair	Low Hazard	34 ft	1991	Earth	Missouri
Soap Creek Watershed Site 26-55 Davis	Low Hazard	40 ft	2007	Earth	Iowa
Soap Creek Watershed Site 4-37 Appanoose	Low Hazard	29 ft	1998	Earth	Iowa
Soap Creek Watershed Site 4-48 Appanoose	Low Hazard	29 ft	2005	Earth	Iowa
Soap Creek Watershed Site 4-73 Appanoose	Low Hazard	27 ft	2005	Earth	Iowa
Soap Creek Watershed Site 4-91 Appanoose	Low Hazard	27 ft	2005	Earth	Iowa
Soap Creek Watershed Site 4-98 Appanoose	Low Hazard	33 ft	2005	Earth	Iowa
Soap Creek Watershed Site 68-114a Monroe	Low Hazard	29 ft	2005	Earth	Iowa
Soap Creek Watershed Site 68-114c Monroe	Low Hazard	34 ft	2005	Earth	Iowa
Soap Creek Watershed Site 68-29 Monroe	Low Hazard	29 ft	2006	Earth	Iowa
Soap Creek Watershed Site 68-53 Monroe	Low Hazard	25 ft	2005	Earth	Iowa
Soap Creek Watershed Site 68-58b Monroe	Low Hazard	33 ft	2005	Earth	Iowa
Soap Creek Watershed Site 68-58d Monroe	Low Hazard	29 ft	2005	Earth	Iowa
Soap Creek Watershed Site 68-62 Monroe	Low Hazard	23 ft	2005	Earth	Iowa
Soap Creek Watershed Site 68-78 Monroe	Low Hazard	29 ft	2005	Earth	Iowa
Soendker Lake Dam Lafayette	Low Hazard	30 ft	1954	Earth	Missouri
Sommers Dam Clark	Low Hazard	29 ft	1994	Earth	Missouri
Sonneborn (Witco) Reservoir Butler	High Hazard	23 ft	1951	Earth	Pennsylvania
South Fork Blackwater River Dam A-20 Johnson	Low Hazard	29 ft	1964	Earth	Missouri
South Fork Blackwater River Dam A-21 Johnson	Low Hazard	26 ft	1964	Earth	Missouri
South Fork Blackwater River Dam A-24 Johnson	Low Hazard	20 ft	1964	Earth	Missouri