Huffaker Effluent Storage Reservoir Dam
Huffaker Effluent Storage Reservoir Dam is a rockfill dam located in Washoe County, Nevada, built in 1992. It carries a High hazard potential classification and has a fair condition assessment.
About Huffaker Effluent Storage Reservoir Dam
Huffaker Effluent Storage Reservoir Dam is a dam in Washoe, Nevada. The dam is owned by Washoe County (local government). It impounds the Thomas Creek-os near Reno.
The dam stands 138 feet tall and stretches 1,066 feet across, creates a reservoir covering 80 acres, has a maximum storage capacity of 4,192 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1992, the structure is 34 years old.
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 06/01/2023.
At 138 feet, this dam is taller than 99% of all dams in the United States.
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 | Thomas Creek-os |
| Coordinates | 39.46170, -119.74580 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 138 ft |
| Dam Height | 138 ft |
| Dam Length | 1,066 ft |
| Year Completed | 1992 (34 years old) |
Storage & Hydraulics
| NID Storage | 4,192 acre-ft |
| Max Storage | 4,192 acre-ft |
| Normal Storage | 3,546 acre-ft |
| Surface Area | 80 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 20 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Other |
| Owner | WASHOE COUNTY |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 06/01/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NV10384 |
| Federal ID | NV10384 |
| More Info | State Dam Safety Program |