Grade Stabilization Dams
1,146 dams in the US serve this purpose.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Rex Gray Dam Grundy | Low Hazard | 28 ft | 1995 | Earth | Missouri |
| Rex Hill Dam No 5 Harrison | Low Hazard | 23 ft | 1991 | Earth | Missouri |
| Reynolds Dam Adair | Low Hazard | 29 ft | 1991 | Earth | Missouri |
| Reynolds Dam Schuyler | Low Hazard | 33 ft | 1996 | Earth | Missouri |
| Rhoten Dam Dallas | Low Hazard | 31 ft | 2003 | Earth | Iowa |
| Richard Hanrahan Dam Madison | Low Hazard | 29 ft | 2018 | Earth | Iowa |
| Richards Dam Stoddard | Low Hazard | 20 ft | 1995 | Earth | Missouri |
| Richards Dam No. 2 Worth | Low Hazard | 28 ft | 1994 | Earth | Missouri |
| Richmond School Lake Dam Ray | Low Hazard | 25 ft | 1962 | Earth | Missouri |
| Rick Fields Dam Bollinger | Low Hazard | 20 ft | 2006 | Earth | Missouri |
| Rigdon Dam Schuyler | Low Hazard | 33 ft | 1994 | Earth | Missouri |
| Riley Dam Monroe | Low Hazard | 20 ft | 1996 | Earth | Missouri |
| Ripple Lake Dam Pike | Significant Hazard | 25 ft | 1975 | Earth | Missouri |
| Roach 005 Andrew | Low Hazard | 26 ft | 1981 | Earth | Missouri |
| Roamer Dam Macon | Low Hazard | 26 ft | 1994 | Earth | Missouri |
| Robert Moll Dam Ray | Low Hazard | 34 ft | 1991 | Earth | Missouri |
| Robert Phillips Dam Lucas | Low Hazard | 23 ft | 2017 | Earth | Iowa |
| Roberts Dam Schuyler | Low Hazard | 34 ft | 1990 | Earth | Missouri |
| Roberts Dam Schuyler | Low Hazard | 34 ft | 1990 | Earth | Missouri |
| Roberts, Hunter Lake Dam Johnson | High Hazard | 26 ft | 1972 | Earth | Missouri |
| Robinette Dam Montgomery | Low Hazard | 32 ft | 2013 | Earth | Iowa |
| Rock Creek Branch Dam Knox | Significant Hazard | 25 ft | 1974 | Earth | Missouri |
| Rocky Branch Creek, Site Mike Taylor Dam Madison | Low Hazard | 34 ft | 2016 | Earth | Iowa |
| Rodick Lake Dam Lafayette | Low Hazard | 25 ft | 1974 | Earth | Missouri |
| Roger O'Bannon Irr. Res. Monroe | Low Hazard | 22 ft | 1976 | Earth | Missouri |
| Rogers Dam Ray | Low Hazard | 33 ft | 1990 | Earth | Missouri |
| Roland & Klofenstein Farm Dam Knox | Low Hazard | 25 ft | 1977 | Earth | Missouri |
| Romine Dam Sullivan | Low Hazard | 27 ft | 1996 | Earth | Missouri |
| Ronda Connor Dam Sullivan | Low Hazard | 33 ft | 1993 | Earth | Missouri |
| Ron Lutes Bollinger | Low Hazard | 27 ft | 1997 | Earth | Missouri |
| Ron Pickard Road Structure Jefferson | Low Hazard | 24 ft | 2009 | Earth | Iowa |
| Roth Dam Washington | Low Hazard | 28 ft | 1996 | Earth | Iowa |
| Roy Lee Carmack Grundy | Low Hazard | 27 ft | 1990 | Earth | Missouri |
| Roy Ritchart Dam Carroll | Low Hazard | 24 ft | 2002 | Earth | Missouri |
| Roy Worrell Daviess | Low Hazard | 30 ft | 1996 | Earth | Missouri |
| Ruehter Lake Dam Lafayette | Low Hazard | 28 ft | 1977 | Earth | Missouri |
| Rufkahr Dam Audrain | Low Hazard | 25 ft | 2003 | Earth | Missouri |
| Sam Hammond Dam Cole | Low Hazard | 30 ft | 2018 | Earth | Missouri |
| Sara Or Bill Baldwin Structure Dam Nodaway | Low Hazard | 26 ft | 1980 | Earth | Missouri |
| Sawmill Run Butler | High Hazard | 58 ft | 1968 | Earth | Pennsylvania |
| Schldman Dam Adair | Low Hazard | 28 ft | 1998 | Earth | Missouri |
| Schmitz Brothers Lake Dam Nodaway | Low Hazard | 26 ft | 1971 | Earth | Missouri |
| Schmitz Dam Scotland | Low Hazard | 24 ft | 2004 | Earth | Missouri |
| Schnarre Lake Dam Sec 23 Boone | Low Hazard | 25 ft | 1975 | Earth | Missouri |
| Schulte Dam Lee | Low Hazard | 33 ft | 2000 | Earth | Iowa |
| Schultz Farms Dam Gentry | Low Hazard | 27 ft | 2000 | Earth | Missouri |
| Schupmann Lake Dam Lincoln | Low Hazard | 32 ft | 1972 | Earth | Missouri |
| Schweizer 003 Andrew | Low Hazard | 29 ft | 1981 | Earth | Missouri |
| Schweizer 004 Andrew | Low Hazard | 27 ft | 1978 | Earth | Missouri |
| Scott (Darwin) Dam Adair | Low Hazard | 27 ft | 2013 | Earth | Iowa |