Lake John
Lake John is an earth dam located in Sullivan County, Pennsylvania, built in 1958. It carries a Low hazard potential classification.
About Lake John
The primary purpose of Lake John is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Pa Game Commission (state). It impounds the Tr Mehoopany Creek.
The dam stands 15 feet tall and stretches 325 feet across, creates a reservoir covering 75 acres, has a maximum storage capacity of 200 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1958, 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. The most recent inspection on record was 05/24/2016.
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Location
| State | Pennsylvania |
| County | Sullivan |
| River/Stream | Tr Mehoopany Creek |
| Coordinates | 41.42833, -76.27167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 325 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 509 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 509 acre-ft |
| Surface Area | 75 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | PA GAME COMMISSION |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 05/24/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | PA00361 |
| Federal ID | PA00361 |
| More Info | State Dam Safety Program |