Holly Sugar, Lower
Key Takeaway
Holly Sugar, Lower is classified as low hazard in Montana. It was completed in 1929 and is 97 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 10 ft (taller than 3.7% in MT) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 77 acre-ft |
| Normal Storage | 40 acre-ft |
| Year Completed | 1929 (97 years old) |
| NID ID | MT00491 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
HOLLY SUGAR CORP
Private
Nearby Dams
Sidney Sewage Lagoon
Richland, MT
Low Hazard 9 ftSturgis
Richland, MT
Low Hazard 21 ftMcglynn Reservoir
Richland, MT
Significant Hazard 26 ftChristensen (Richland)
Richland, MT
Low Hazard 26 ftSteinreisser #10
Richland, MT
Significant Hazard 20 ftVaux #1
Richland, MT
Low Hazard 34 ftVaux #2
Richland, MT
Low Hazard 15 ftSportman Dam
Richland, MT
Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Holly Sugar, Lower?
Holly Sugar, Lower is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Holly Sugar, Lower?
Holly Sugar, Lower is owned by HOLLY SUGAR CORP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Holly Sugar, Lower built?
Holly Sugar, Lower was completed in 1929, making it 97 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Holly Sugar, Lower?
Holly Sugar, Lower serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Holly Sugar, Lower?
Holly Sugar, Lower has a dam height of 10 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.