Mackiewicz is an earth dam located in Tioga County, Pennsylvania, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 750 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 Mackiewicz
The primary purpose of Mackiewicz is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Charles Mackiewicz (private). It impounds the Blockhouse near Liberty.
The dam stands 15 feet tall and stretches 750 feet across, has a maximum storage capacity of 54 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1969, the structure is well into its service life at over 50 years 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.
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Location
| State | Pennsylvania |
| County | Tioga |
| Nearest City | Liberty |
| River/Stream | Blockhouse |
| Coordinates | 41.57981, -77.08029 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 14 ft |
| Dam Length | 750 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Normal Storage | 54 acre-ft |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Charles Mackiewicz |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | PA02020 |
| Federal ID | PA02020 |
| More Info | State Dam Safety Program |