Wm Knight #1
Wm Knight #1 is an earth dam located in Phillips County, Montana, built in 1940. It carries a Low hazard potential classification.
About Wm Knight #1
The primary purpose of Wm Knight #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Lee/francis Jacobs (private). It impounds the Third Creek.
The dam stands 30 feet tall and stretches 300 feet across, and has a maximum storage capacity of 111 acre-feet. Completed in 1940, the structure is well-established, with more than 75 years of service.
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 | Montana |
| County | Phillips |
| Nearest City | None |
| River/Stream | Third Creek |
| Coordinates | 47.82380, -108.04510 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 300 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 111 acre-ft |
| Max Storage | 111 acre-ft |
| Normal Storage | 33 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LEE/FRANCIS JACOBS |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02810 |
| Federal ID | MT02810 |
| More Info | State Dam Safety Program |