Echo Lake Dam
Echo Lake Dam is an earth dam located in Grafton County, New Hampshire, built in 1990. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Echo Lake Dam
The primary purpose of Echo Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nh Dncr (state). It impounds the Lafayette Brook near Franconia.
The dam stands 7 feet tall and stretches 40 feet across, creates a reservoir covering 38 acres, has a maximum storage capacity of 725 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1990, the structure is 36 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/27/2019.
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Location
| State | New Hampshire |
| County | Grafton |
| Nearest City | Franconia |
| River/Stream | Lafayette Brook |
| Coordinates | 44.17824, -71.69412 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 40 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 725 acre-ft |
| Max Storage | 725 acre-ft |
| Normal Storage | 570 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH DNCR |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/27/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH01048 |
| Federal ID | NH01048 |
| More Info | State Dam Safety Program |