Ott Reservoir

FOURMILE CREEK-OS· Fremont, Colorado· Built 1895· Earth· 14 ft tall

Key Takeaway

Ott Reservoir is classified as low hazard in Colorado. It was completed in 1895 and is 131 years old. Its primary use is irrigation.

Physical Details

Dam Height 14 ft (taller than 17% in CO)
Dam Length744 ft
Dam TypeEarth
Max Storage40 acre-ft
Normal Storage23 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge278 cfs
Year Completed1895 (131 years old)
Year Modified1994
NID IDCO02184

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: August 8, 2019
State Regulated: Yes
Regulatory Agency: DWR

Ownership

PARK CENTER WATER DISTRICT (WADE, JAMES)

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ott Reservoir?

Ott Reservoir 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 Ott Reservoir?

Ott Reservoir is owned by PARK CENTER WATER DISTRICT (WADE, JAMES) (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ott Reservoir built?

Ott Reservoir was completed in 1895, making it 131 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 Ott Reservoir?

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

How tall is Ott Reservoir?

Ott Reservoir has a dam height of 14 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 Ott Reservoir last inspected?

Ott Reservoir was last inspected on August 8, 2019. 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.