Catalog Item
Arrowrock Reservoir (ARK) Daily Instant Lake/Reservoir Storage Time Series Data
Arrowrock Reservoir (ARK) instant daily lake/reservoir storage volume in acre-feet (af). Daily refers to one measurement per day.
Catalog Record Title
Arrowrock Reservoir (ARK) Water Operations Monitoring Data from Columbia-Pacific Northwest Water Operations Monitoring
Generation Effort
Columbia-Pacific Northwest Water Operations Monitoring
Location Name
Arrowrock Reservoir and Dam (ARK)
Type
Time series
Modeled/Observed
Observed
Start Date
Mon Oct 01 1917 11:00:00 GMT-0700 (Mountain Daylight Time)
End Date
Mon Apr 27 2026 00:00:00 GMT-0600 (Mountain Daylight Time)
Parameter Name
Lake/Reservoir Storage
Parameter Group
Lake/Reservoir Storage
Parameter Transformation
instant
Time Step
daily
Parameter Unit
af
Item Vertical Datum
Update Frequency
daily
Last Update
Tuesday, April 28th, 2026
Disclaimer
Data are provisional and subject to revision unless otherwise noted. Data users are cautioned to consider carefully the provisional nature of the information before using it.
