Mack Dam; Richard 2 is an earth dam located in Bowman County, North Dakota, built in 2000. It carries a Low hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall and 725 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 Mack Dam; Richard 2
The primary purpose of Mack Dam; Richard 2 is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Richard Mack (private). It impounds the Lightning Creek-tr near N.
The dam stands 14 feet tall and stretches 725 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 122 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 2000, the structure is 26 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 09/27/2000. That was over 26 years ago.
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Location
| State | North Dakota |
| County | Bowman |
| Nearest City | N |
| River/Stream | Lightning Creek-tr |
| Coordinates | 46.07730, -103.16936 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 725 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 122 acre-ft |
| Max Storage | 122 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 3 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Richard Mack |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/27/2000 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00906 |
| Federal ID | ND00906 |
| More Info | State Dam Safety Program |