Ott Lake Dam is an earth dam located in Montgomery County, North Carolina, built in 1958. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 495 ft long, taller than 50% of U.S. dams with a recorded height. 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 Ott Lake Dam
The primary purpose of Ott Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Michael L Allen (private). It impounds the Cotten Creek near Robbins.
The dam stands 25 feet tall and stretches 495 feet across, creates a reservoir covering 9 acres, and has a maximum storage capacity of 106 acre-feet. 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/24/2022.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | North Carolina |
| County | Montgomery |
| Nearest City | Robbins |
| River/Stream | Cotten Creek |
| Coordinates | 35.39140, -79.77280 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Length | 495 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 106 acre-ft |
| Max Storage | 106 acre-ft |
| Normal Storage | 88 acre-ft |
| Surface Area | 9 acres |
| Max Discharge | 3 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Michael L Allen |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/24/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NC00484 |
| Federal ID | NC00484 |
| More Info | State Dam Safety Program |