Mountain Lake Dam
Mountain Lake Dam is an earth dam located in Sullivan County, New York, built in 1928. It carries a Low hazard potential classification.
About Mountain Lake Dam
The primary purpose of Mountain Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Smallwood Estates Inc (private). It impounds the White Lake Brook near Smallwood.
The dam stands 10 feet tall and stretches 200 feet across, creates a reservoir covering 64 acres, has a maximum storage capacity of 394 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1928, the structure is well-established, with more than 75 years 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. The most recent inspection on record was 10/12/2011. That was over 14 years ago.
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Location
| State | New York |
| County | Sullivan |
| Nearest City | Smallwood |
| River/Stream | White Lake Brook |
| Coordinates | 41.65778, -74.81250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 200 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 394 acre-ft |
| Max Storage | 394 acre-ft |
| Normal Storage | 210 acre-ft |
| Surface Area | 64 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 30 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | SMALLWOOD ESTATES INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/12/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY00765 |
| Federal ID | NY00765 |
| More Info | State Dam Safety Program |