Long Lake Nwr - G12 Marsh is an earth dam located in Burleigh County, North Dakota, built in 1991. It carries a Low hazard potential classification.
Dam profile
NID height · 7 ft7 ft tall. 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 Long Lake Nwr - G12 Marsh
The primary purpose of Long Lake Nwr - G12 Marsh is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by USFWS (federal). It impounds the Apple Creek-tr near N.
The dam stands 7 feet tall, creates a reservoir covering 89 acres, and has a maximum storage capacity of 500 acre-feet. Completed in 1991, the structure is 35 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.
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Location
| State | North Dakota |
| County | Burleigh |
| Nearest City | N |
| River/Stream | Apple Creek-tr |
| Coordinates | 46.68977, -100.17757 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 500 acre-ft |
| Max Storage | 500 acre-ft |
| Normal Storage | 129 acre-ft |
| Surface Area | 89 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | USFWS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00510 |
| Federal ID | ND00510 |
| More Info | State Dam Safety Program |