Dams in Johnson County, Iowa
32Total Dams
5High Hazard
6Significant
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| North Branch Ralston Creek Dam | High | Satisfactory | 37 | Flood Risk Reduction | 1983 |
| Oaknoll Dam | High | Fair | 25 | Fire Protection, Stock, Or Small Fish Pond | 1994 |
| West Branch Flood Control Dam | High | Satisfactory | 24 | Flood Risk Reduction | 2012 |
| Coralville Regional Detention Basin | High | Satisfactory | 23 | Flood Risk Reduction | 2001 |
| Scott Blvd Dam | High | Satisfactory | 20 | Flood Risk Reduction | 1980 |
| Lake Macbride Dam | Significant | Satisfactory | 56 | Recreation | 1930 |
| Twin Valley Lakes - East Dam | Significant | Poor | 50 | 1965 | |
| Brown Deer Golf Course Dam | Significant | Satisfactory | 46 | Recreation | 1970 |
| Dovetail Estates Dam | Significant | Not Rated | 23 | Other | 1999 |
| Progress Park Dam | Significant | Satisfactory | 23 | Flood Risk Reduction | 2005 |
| Rolling Hills Dam | Significant | Not Rated | 20 | Recreation | 2002 |
| Oakridge Lake Estates Dam | Low | Not Rated | 42 | Recreation | 1977 |
| Dunham Dam | Low | Not Rated | 38 | Fire Protection, Stock, Or Small Fish Pond | 1978 |
| Petchulat Dam | Low | Not Rated | 36 | Fire Protection, Stock, Or Small Fish Pond | 1993 |
| F.w.kent Park Dam | Low | Not Rated | 34 | Recreation | 1972 |
| Randall Dam | Low | Not Rated | 31 | Fire Protection, Stock, Or Small Fish Pond | 1976 |
| Arp Dam | Low | Not Rated | 31 | Fire Protection, Stock, Or Small Fish Pond | 1970 |
| Iowa Noname97 | Low | Not Rated | 31 | Debris Control | 1991 |
| Leonard Dam | Low | Not Rated | 30 | Fire Protection, Stock, Or Small Fish Pond | 2001 |
| Marak Dam | Low | Not Rated | 30 | Fire Protection, Stock, Or Small Fish Pond | 1970 |
| Miller Dam | Low | Not Rated | 29 | Fire Protection, Stock, Or Small Fish Pond | 1971 |
| Valley View Heights Dam | Low | Not Rated | 29 | Recreation | 1976 |
| Plotz Dam | Low | Not Rated | 28 | Recreation | 1968 |
| Kent Park 1 East Dam | Low | Not Rated | 28 | Grade Stabilization | 1997 |
| Carson Dam | Low | Not Rated | 27 | Fire Protection, Stock, Or Small Fish Pond | 1978 |
| Zenishek Dam | Low | Not Rated | 25 | Fire Protection, Stock, Or Small Fish Pond | 1979 |
| Stoppelmoor Dam | Low | Not Rated | 24 | Fire Protection, Stock, Or Small Fish Pond | 1974 |
| Hays Dam | Low | Not Rated | 22 | Fire Protection, Stock, Or Small Fish Pond | 2002 |
| Bourjaily Dam | Low | Not Rated | 22 | Fire Protection, Stock, Or Small Fish Pond | 1971 |
| Burlington Street Dam | Low | Not Rated | 20 | Other | 1906 |
| North Ridge Park Dam | Low | Not Rated | 20 | Recreation | 1993 |
| Coralville Milldam | Low | Not Rated | 13 | Recreation | 1880 |