Rainbow Lake Dam
Rainbow Lake Dam is an earth dam located in Franklin County, New York, built in 1875. It carries a Low hazard potential classification.
About Rainbow Lake Dam
The primary purpose of Rainbow Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Rainbow Lake Water Protection District (local government). It impounds the North Branch Saranac River near Loon Lake.
The dam stands 9 feet tall and stretches 110 feet across, creates a reservoir covering 356 acres, has a maximum storage capacity of 1,920 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1875, the structure is one of the older dams in the region, with over a century and a half 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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/01/1980. That was over 45 years ago.
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Location
| State | New York |
| County | Franklin |
| Nearest City | Loon Lake |
| River/Stream | North Branch Saranac River |
| Coordinates | 44.48833, -74.13833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 110 ft |
| Year Completed | 1875 (151 years old) |
Storage & Hydraulics
| NID Storage | 1,920 acre-ft |
| Max Storage | 1,920 acre-ft |
| Normal Storage | 1,920 acre-ft |
| Surface Area | 356 acres |
| Drainage Area | 8 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | RAINBOW LAKE WATER PROTECTION DISTRICT |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 05/01/1980 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY01112 |
| Federal ID | NY01112 |
| More Info | State Dam Safety Program |