Petrillo Lake Dam is an earth dam located in Sullivan County, New York, built in 1952. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 480 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 Petrillo Lake Dam
The primary purpose of Petrillo Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Buck Brook Acres, LLC (private). It impounds the Buck Brook near North Branch.
The dam stands 17 feet tall and stretches 480 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 68 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1952, 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 06/28/2017.
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Location
| State | New York |
| County | Sullivan |
| Nearest City | North Branch |
| River/Stream | Buck Brook |
| Coordinates | 41.86389, -74.96861 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 480 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 358 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Buck Brook Acres, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/28/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY00641 |
| Federal ID | NY00641 |
| More Info | State Dam Safety Program |