The database will be unavailable for several hours on Saturday, January 10th, 2026, for system upgrades starting at 10am Pacific.
DART Queries are Temporarily Unavailable Performing system upgrade 2026-01-10.
Message Time: January 10 2026 10:16:59.

DART Hourly Lower Granite Bypass and Spillway with Project Data -- in development

Data Courtesy of U.S. Army Corps of Engineers, NWD and Pacific States Marine Fisheries Commission

PIT Tag Lower Granite Bypass and Spillway Queries

Select Output Format
Select Year
Select Species
Select Hour Type
Set Date Range
mm/dd
mm/dd

Query Notes

  • To generate the Data Link for querying results directly from scripts and automated processes: make all selections, check "Generate Query Result Link Only" next to the "Submit Query" button, and click "Submit Query".