Upper Pasture
Key Takeaway
Upper Pasture is classified as low hazard in California. Its primary use is water supply.
Physical Details
| Dam Height | 15 ft (taller than 8.1% in CA) |
| Dam Length | 1,100 ft |
| Dam Type | Earth |
| Max Storage | 250 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 5 sq mi |
| NID ID | CA00488 |
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
Wilson Ranches
Private
Nearby Dams
Danhauser
Modoc, CA
Low Hazard 17 ftPayne
Modoc, CA
Low Hazard 12 ftDorris Dam
Modoc, CA
High Hazard 25 ftPlum Canyon
Modoc, CA
Low Hazard 26 ftLittle Juniper
Modoc, CA
Significant Hazard 22 ftJames Porter
Modoc, CA
High Hazard 21 ftMud Lake
Modoc, CA
Low Hazard 10 ftKelley and Greiner
Modoc, CA
Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Upper Pasture?
Upper Pasture 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 Upper Pasture?
Upper Pasture is owned by Wilson Ranches (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Upper Pasture?
Upper Pasture serves the following purposes: Water Supply, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Upper Pasture?
Upper Pasture has a dam height of 15 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.
When was Upper Pasture last inspected?
Upper Pasture was last inspected on June 22, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.