Tarryall Ranch Reservoir Dam

PARK CREEK-TR· Park, Colorado· Built 1977· Earth· 21 ft tall
Low Hazard Irrigation Recreation Water Supply Private

Key Takeaway

Tarryall Ranch Reservoir Dam is classified as low hazard in Colorado. It was completed in 1977 and is 49 years old. Its primary use is irrigation.

Physical Details

Dam Height 21 ft (taller than 40.7% in CO)
Dam Length650 ft
Dam TypeEarth
Max Storage360 acre-ft
Normal Storage160 acre-ft
Surface Area29 acres
Drainage Area0 sq mi
Max Discharge1,171 cfs
Year Completed1977 (49 years old)
NID IDCO01308

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: November 17, 2020
State Regulated: Yes
Regulatory Agency: DWR

Ownership

JAMES INGALLS,

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tarryall Ranch Reservoir Dam?

Tarryall Ranch Reservoir Dam 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 Tarryall Ranch Reservoir Dam?

Tarryall Ranch Reservoir Dam is owned by JAMES INGALLS, (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tarryall Ranch Reservoir Dam built?

Tarryall Ranch Reservoir Dam was completed in 1977, making it 49 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 Tarryall Ranch Reservoir Dam?

Tarryall Ranch Reservoir Dam serves the following purposes: Irrigation, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Tarryall Ranch Reservoir Dam?

Tarryall Ranch Reservoir Dam has a dam height of 21 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 Tarryall Ranch Reservoir Dam last inspected?

Tarryall Ranch Reservoir Dam was last inspected on November 17, 2020. 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.