Damonte Ranch Flood Control Diversion Dam

Damonte Ranch Flood Control Diversion Dam is an earth dam located in Washoe County, Nevada. It carries a High hazard potential classification and has a fair condition assessment.

About Damonte Ranch Flood Control Diversion Dam

The primary purpose of Damonte Ranch Flood Control Diversion Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Nevada Tri-partners (private). It impounds the Steamboat Creek near Reno.

The dam stands 11 feet tall and stretches 240 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 15 acre-feet, and collects water from a drainage area of 1,000 square miles.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 05/31/2023.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Nevada dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateNevada
CountyWashoe
Nearest CityReno
River/StreamSteamboat Creek
Coordinates39.41920, -119.73860

Physical Characteristics

Dam TypeEarth
NID Height11 ft
Dam Height11 ft
Dam Length240 ft

Storage & Hydraulics

NID Storage15 acre-ft
Max Storage15 acre-ft
Normal Storage1 acre-ft
Surface Area3 acres
Drainage Area1,000 sq mi
Max Discharge12,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerNEVADA TRI-PARTNERS
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection05/31/2023
Emergency Action PlanYes

Identifiers

NID IDNV10592
Federal IDNV10592
More InfoState Dam Safety Program

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