Catalog Item
Grand Coulee Dam Forebay (FDRW) Daily Instant Total Dissolved Gas (TDG) Time Series Data
Grand Coulee Dam Forebay (FDRW) instant daily total dissolved gas in millimeters of mercury (mmHg). Total dissolved gas refers to the total amount of dissolved gas in water.
Catalog Record Title
Grand Coulee Dam Forebay (FDRW) Water Operations Monitoring Data from Columbia-Pacific Northwest Water Operations Monitoring
Generation Effort
Columbia-Pacific Northwest Water Operations Monitoring
Location Name
Grand Coulee Dam Forebay (FDRW)
Type
Time series
Modeled/Observed
Observed
Start Date
Thu May 01 1997 13:00:00 GMT-0600 (Mountain Daylight Time)
End Date
Fri May 29 2026 01:00:00 GMT-0600 (Mountain Daylight Time)
Parameter Name
Total Dissolved Gas (TDG)
Parameter Group
Inorganic Analytes
Parameter Transformation
instant
Time Step
daily
Parameter Unit
mm Hg
Item Vertical Datum
Update Frequency
daily
Last Update
Saturday, May 30th, 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.

