Altemus is an earth dam located in Indiana County, Pennsylvania, built in 1987. It carries a Significant hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 413 ft long, taller than 68% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Altemus
The primary purpose of Altemus is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Charles R. Altemus (private). It impounds the Tr Brush Creek.
The dam stands 30 feet tall and stretches 413 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 29 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1987, the structure is 39 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 02/20/2018.
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Location
| State | Pennsylvania |
| County | Indiana |
| River/Stream | Tr Brush Creek |
| Coordinates | 40.52611, -79.06833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 413 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 29 acre-ft |
| Max Storage | 29 acre-ft |
| Normal Storage | 29 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Charles R. Altemus |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 02/20/2018 |
| Emergency Action Plan | No |
Identifiers
| NID ID | PA01485 |
| Federal ID | PA01485 |
| More Info | State Dam Safety Program |