Dunmore No 3
Dunmore No 3 is an earth dam located in Lackawanna County, Pennsylvania, built in 1845. It carries a Low hazard potential classification and has a fair condition assessment.
About Dunmore No 3
The primary purpose of Dunmore No 3 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 Pa American Water Company (private). It impounds the Tr Little Roaring Creek.
The dam stands 14 feet tall and stretches 600 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 78 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1845, the structure is one of the older dams in the region, with over a century and a half of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 12/29/2020.
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Location
| State | Pennsylvania |
| County | Lackawanna |
| River/Stream | Tr Little Roaring Creek |
| Coordinates | 41.41917, -75.54278 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 600 ft |
| Year Completed | 1845 (181 years old) |
Storage & Hydraulics
| NID Storage | 78 acre-ft |
| Max Storage | 78 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | PA AMERICAN WATER COMPANY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 12/29/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | PA00376 |
| Federal ID | PA00376 |
| More Info | State Dam Safety Program |