Groll Dam; Sonja
Groll Dam; Sonja is an earth dam located in Bowman County, North Dakota, built in 1996. It carries a Low hazard potential classification.
About Groll Dam; Sonja
The primary purpose of Groll Dam; Sonja 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 Sonja Groll (private). It impounds the East Fork Deep Creek near N.
The dam stands 15 feet tall, creates a reservoir covering 3 acres, has a maximum storage capacity of 62 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1996, the structure is 30 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 | Bowman |
| Nearest City | N |
| River/Stream | East Fork Deep Creek |
| Coordinates | 46.26904, -103.46596 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Year Completed | 1996 (30 years old) |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 7 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Sonja Groll |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00804 |
| Federal ID | ND00804 |
| More Info | State Dam Safety Program |