Morrisdale Mine is an earth dam located in Clearfield County, Pennsylvania, built in 1919. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 570 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 Morrisdale Mine
The primary purpose of Morrisdale Mine is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dorothy Hess Sullivan (private). It impounds the Emigh Run.
The dam stands 12 feet tall and stretches 570 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1919, the structure is over a century old.
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. The most recent inspection on record was 07/11/2019.
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Location
| State | Pennsylvania |
| County | Clearfield |
| River/Stream | Emigh Run |
| Coordinates | 40.93167, -78.22500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 570 ft |
| Year Completed | 1919 (107 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Normal Storage | 61 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Dorothy Hess Sullivan |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/11/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | PA00428 |
| Federal ID | PA00428 |
| More Info | State Dam Safety Program |