Green Lake Outlet Control is an earth dam located in McIntosh County, North Dakota, built in 1973. It carries a Low hazard potential classification.
Dam profile
NID height · 7 ft7 ft tall and 856 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 Green Lake Outlet Control
The primary purpose of Green Lake Outlet Control is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mcintosh County Wrb (local government). It impounds the Pudwill Lake-tr near N.
The dam stands 7 feet tall and stretches 856 feet across, creates a reservoir covering 906 acres, has a maximum storage capacity of 8,622 acre-feet, and collects water from a drainage area of 51 square miles. Completed in 1973, 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 04/11/2016. That was over 10 years ago.
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Location
| State | North Dakota |
| County | McIntosh |
| Nearest City | N |
| River/Stream | Pudwill Lake-tr |
| Coordinates | 46.19560, -99.46384 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 856 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 8,622 acre-ft |
| Max Storage | 8,622 acre-ft |
| Normal Storage | 5,436 acre-ft |
| Surface Area | 906 acres |
| Drainage Area | 51 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Mcintosh County Wrb |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/11/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00373 |
| Federal ID | ND00373 |
| More Info | State Dam Safety Program |