Tonier Gulch

TOPONAS CREEK-TR· Routt, Colorado· Built 1946· Earth· 32 ft tall
Low Hazard Irrigation Private

Key Takeaway

Tonier Gulch is classified as low hazard in Colorado. It was completed in 1946 and is 80 years old. Its primary use is irrigation.

Physical Details

Dam Height 32 ft (taller than 70.4% in CO)
Dam Length325 ft
Dam TypeEarth
Max Storage124 acre-ft
Normal Storage64 acre-ft
Surface Area10 acres
Drainage Area1 sq mi
Max Discharge390 cfs
Year Completed1946 (80 years old)
NID IDCO01710

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 24, 2018
State Regulated: Yes
Regulatory Agency: DWR

Ownership

COBERLY CREEK RANCH (NEELIS, MIKE & MERRILEE)

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tonier Gulch?

Tonier Gulch 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 Tonier Gulch?

Tonier Gulch is owned by COBERLY CREEK RANCH (NEELIS, MIKE & MERRILEE) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tonier Gulch built?

Tonier Gulch was completed in 1946, making it 80 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 Tonier Gulch?

Tonier Gulch 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 Tonier Gulch?

Tonier Gulch has a dam height of 32 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 Tonier Gulch last inspected?

Tonier Gulch was last inspected on July 24, 2018. 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.