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- Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) Water Operations Monitoring Data from Columbia-Pacific Northwest Water Operations Monitoring
- Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) Daily Instant Total Dissolved Gas (TDG) Time Series Data
Catalog Item
Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) Daily Instant Total Dissolved Gas (TDG) Time Series Data
Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) instant daily total dissolved gas as a percentage. It is the sum of all partial pressures of all gases in a water sample.
Catalog Record Title
Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) Water Operations Monitoring Data from Columbia-Pacific Northwest Water Operations Monitoring
Generation Effort
Columbia-Pacific Northwest Water Operations Monitoring
Type
Time series
Modeled/Observed
Observed
Start Date
Mon May 05 1997 13:00:00 GMT-0600 (Mountain Daylight Time)
End Date
Sat May 23 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
%
Item Vertical Datum
Update Frequency
daily
Last Update
Sunday, May 24th, 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.
