Overview
Arrowrock Reservoir is a reservoir in ID. Primary inflow is Boise River. It is managed by U.S. Bureau of Reclamation.
The basin is characterized by about 3,100 acres of surface area. Shoreline and bottom character vary from protected coves and flats to deeper water, supporting a mix of open-water and nearshore habitats.
Arrowrock Reservoir supports recreational boating and fishing. Public access is through area ramps, parks, and shoreline facilities where provided by the operator. Fishing and boating regulations are set by the relevant state wildlife agency.
Operating elevations for Arrowrock Reservoir are documented by the managing authority. Full-pool and related figures are left unset until an official published value is confirmed. Current level, when available from an authoritative gauge, is the practical reference for access and recreation.
Current Conditions
- 7-day trendRisingLatest movement can differ from the seven-day trend.
- 7-day changeUp 0.71 ft
- 30-day changeUp 0.71 ft
- Drought conditionsAbnormally Dry
About This Lake
Learn how this lake is managed, what affects its water level, and where Lake Insights gets its data.
Arrowrock Reservoir is a 3,100-acre reservoir on the Boise River managed by U.S. Bureau of Reclamation.
