Sitla - Sienna Hills

GRAPEVINE CROSSING WASH· Washington, Utah· Earth·
Low Hazard Flood Risk Reduction Private

Key Takeaway

Sitla - Sienna Hills is classified as low hazard in Utah. Its primary use is flood risk reduction.

Physical Details

Dam Length330 ft
Dam TypeEarth
Normal Storage16 acre-ft
Max Discharge847 cfs
NID IDUT53875

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
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

SITLA

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sitla - Sienna Hills?

Sitla - Sienna Hills 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 Sitla - Sienna Hills?

Sitla - Sienna Hills is owned by SITLA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Sitla - Sienna Hills?

Sitla - Sienna Hills serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

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.