Reservoir No 4 is an earth dam located in Cambria County, Pennsylvania, built in 1993. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 880 ft long. 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 Reservoir No 4
The primary purpose of Reservoir No 4 is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Gallitzin Boro Water Authority (local government). It impounds the Tr Bradley Run.
The dam stands 18 feet tall and stretches 880 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 15 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1993, the structure is 33 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. An emergency action plan is in place for this dam. The most recent inspection on record was 08/30/2019.
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Location
| State | Pennsylvania |
| County | Cambria |
| River/Stream | Tr Bradley Run |
| Coordinates | 40.49472, -78.55833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 880 ft |
| Year Completed | 1993 (33 years old) |
Storage & Hydraulics
| NID Storage | 15 acre-ft |
| Max Storage | 15 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Gallitzin Boro Water Authority |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 08/30/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA01477 |
| Federal ID | PA01477 |
| More Info | State Dam Safety Program |