Mosca

HUERFANO RIVER-TR· Huerfano, Colorado· Built 1915· Earth· 7 ft tall

Key Takeaway

Mosca is classified as low hazard in Colorado. It was completed in 1915 and is 111 years old. Its primary use is irrigation.

Physical Details

Dam Height 7 ft (taller than 0.4% in CO)
Dam Length550 ft
Dam TypeEarth
Max Storage112 acre-ft
Normal Storage96 acre-ft
Surface Area16 acres
Drainage Area0 sq mi
Max Discharge315 cfs
Year Completed1915 (111 years old)
NID IDCO02002

Safety Information

Low Hazard

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?

Emergency Action Plan: No
Last Inspection: July 17, 1978
State Regulated: Yes
Regulatory Agency: DWR

Ownership

M. MC ALPINE, JR.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mosca?

Mosca 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 Mosca?

Mosca is owned by M. MC ALPINE, JR. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mosca built?

Mosca was completed in 1915, making it 111 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 Mosca?

Mosca serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Mosca?

Mosca has a dam height of 7 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 Mosca last inspected?

Mosca was last inspected on July 17, 1978. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.