Chester No. 1

CANAL AND OAK CREEKS· Sanpete, Utah· Built 1883· Earth·
Low Hazard Irrigation Private

Key Takeaway

Chester No. 1 is classified as low hazard in Utah. It was completed in 1883 and is 143 years old. Its primary use is irrigation.

Physical Details

Dam TypeEarth
Normal Storage56 acre-ft
Drainage Area69 sq mi
Year Completed1883 (143 years old)
NID IDUT00038

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: May 11, 2022
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

CHESTER IRRIGATION COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Chester No. 1?

Chester No. 1 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 Chester No. 1?

Chester No. 1 is owned by CHESTER IRRIGATION COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Chester No. 1 built?

Chester No. 1 was completed in 1883, making it 143 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 Chester No. 1?

Chester No. 1 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Chester No. 1 last inspected?

Chester No. 1 was last inspected on May 11, 2022. 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.