Dams in Blair County, Pennsylvania
18Total Dams
15High Hazard
1Significant
Dam Safety in Blair County, Pennsylvania
Blair County has 18 dams tracked in the National Inventory of Dams. Of these, 15 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification. Currently, 2 dams have a condition assessment of poor or unsatisfactory.
The average dam in Blair County is 105 years old. The most common purpose is water supply. The tallest dam is Mill Run at 100 ft.
Explore more: Oldest dams in Pennsylvania · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Mill Run | High | Poor | 100 | Water Supply | 1957 |
| Tipton | High | Fair | 66 | Water Supply | 1924 |
| Hollidaysburg Muleshoe Reservoir | High | Satisfactory | 66 | Water Supply | 1957 |
| Lake Altoona | High | Fair | 65 | Water Supply | 1913 |
| Bellwood | High | Poor | 61 | Water Supply | 1902 |
| William L. Cochran Impounding | High | Satisfactory | 60 | Water Supply | 1898 |
| Kettle | High | Fair | 54 | Water Supply | 1888 |
| Tyrone Reservoir #2 | High | Fair | 51 | Water Supply | 1912 |
| Plane Nine | High | Fair | 51 | Water Supply | 1907 |
| Blair Gap | High | Fair | 47 | Water Supply | 1907 |
| Upper Kittanning | High | Fair | 45 | Water Supply | 1887 |
| Canoe Creek | High | Fair | 35 | Recreation | 1971 |
| Allegheny Storage | High | Fair | 31 | Water Supply | 1905 |
| Homer Gap No 2 | High | Fair | 29 | Water Supply | 1913 |
| Lakemont Park | High | Satisfactory | 12 | Recreation | 1898 |
| Scotch Valley | Significant | Not Rated | 17 | Irrigation | 1998 |
| Scotch Run | Low | Not Rated | 40 | Water Supply | 1916 |
| Biddle Hollow Reservoir | Low | Not Rated | 33 | Water Supply | 1911 |