Damonte Ranch Dam Detention Pond #4
Damonte Ranch Dam Detention Pond #4 is a rockfill dam located in Washoe County, Nevada. It carries a High hazard potential classification and has a fair condition assessment.
About Damonte Ranch Dam Detention Pond #4
The primary purpose of Damonte Ranch Dam Detention Pond #4 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 creates a reservoir covering 5 acres, has a maximum storage capacity of 68 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.
Location
| State | Nevada |
| County | Washoe |
| Nearest City | Reno |
| River/Stream | Steamboat Creek |
| Coordinates | 39.43160, -119.71790 |
Physical Characteristics
| Dam Type | Rockfill |
| Dam Length | 100 ft |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 1,000 sq mi |
| Max Discharge | 1,000 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | NEVADA TRI-PARTNERS |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 05/31/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NV10595 |
| Federal ID | NV10595 |
| More Info | State Dam Safety Program |