Dams in Johnson County, Indiana
37Total Dams
9High Hazard
7Significant
Dam Safety in Johnson County, Indiana
Johnson County has 37 dams tracked in the National Inventory of Dams. Of these, 9 are classified as high hazard — meaning failure would probably cause loss of human life. Another 7 carry a significant hazard classification. Currently, 19 dams have a condition assessment of poor or unsatisfactory.
The average dam in Johnson County is 65 years old. The most common purpose is recreation. The tallest dam is Lamb Lake Estates Dam at 82 ft.
Explore more: Oldest dams in Indiana · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Lamb Lake Estates Dam | High | Fair | 82 | Water Supply | 1972 |
| Hood Lake Dam | High | Poor | 63 | Recreation | 1968 |
| White Lake Conservancy District Dam | High | Fair | 57 | Recreation | 1952 |
| Lower Peoga Lake Dam | High | Satisfactory | 47 | Recreation | 1946 |
| Lamb Lake Dam | High | Fair | 45 | Recreation | 1937 |
| North Lake Conservancy District Dam | High | Satisfactory | 42 | Recreation | 1952 |
| Prince's East Lake Dam | High | Fair | 40 | Recreation | 1953 |
| Water's Edge Lake Dam | High | Poor | 34 | Recreation | 1940 |
| Upper Peoga Lake Dam | High | Unsatisfactory | 30 | 1946 | |
| Earlham Lake Dam | Significant | Unsatisfactory | 49 | Recreation | 1963 |
| Prince's Northeast Lake Dam | Significant | Satisfactory | 33 | Recreation | 1955 |
| Roger Young Lake Dam | Significant | Poor | 31 | Recreation | 1976 |
| Hants Lake Dam | Significant | Satisfactory | 30 | Recreation | 1945 |
| Bell Lake Dam | Significant | Poor | 25 | Recreation | 1940 |
| Jeff Lake Dam | Significant | Poor | 22 | Recreation | 1955 |
| Prince's Northwest Lake Dam | Significant | Unsatisfactory | 20 | Recreation | 1955 |
| Pisgah Lake Dam | Low | Fair | 39 | Recreation | 1977 |
| Pease Lake Dam | Low | Poor | 37 | Recreation | 1972 |
| Willoughby Dam No. 1 (south) | Low | Poor | 36 | Recreation | 1965 |
| Joe Dehart Lake Dam | Low | Poor | 34 | Recreation | 1972 |
| Willoughby Dam No. 2 (north) | Low | Poor | 33 | Recreation | 1966 |
| Fowler Lake Dam West | Low | Poor | 33 | Recreation | |
| F.f.a. Youth Center Dam #1 | Low | Fair | 33 | Recreation | 1971 |
| Cameron Lake Dam | Low | Poor | 32 | Recreation | |
| Allendale Lake Dam | Low | Fair | 32 | Recreation | 1981 |
| Lacy & Caress Lake Dam West | Low | Fair | 31 | Recreation | 1992 |
| Murray Lake Dam | Low | Fair | 29 | Recreation | 1974 |
| Forest Glen Lake Dam | Low | Poor | 29 | Recreation | |
| Kerrington Proper Dam | Low | Poor | 29 | Flood Risk Reduction | 1974 |
| Stone Arch Lake | Low | Fair | 28 | Recreation | 1974 |
| Saunders Lake Dam | Low | Poor | 27 | Recreation | |
| Teeters Dam | Low | Poor | 26 | Water Supply | 1965 |
| Fowler Lake Dam North | Low | Poor | 25 | Recreation | |
| Lacy & Caress Lake Dam East | Low | Fair | 17 | Recreation | 1992 |
| Thompson Mill Dam (in-channel) | Low | Fair | 10 | Other | 1884 |
| Prince's South Lake Dam (not Built) | Undetermined | Not Rated | 46 | Recreation | |
| Bottom Lake Dam | Undetermined | Not Rated | 17 | Recreation | 1975 |