Important Legacy real-time page
Available data
Select data types to graph from categories based on the way the data were collected.
Learn about the data collection categories Continuous data
3 data types available - data from 1991-10-01 to 2026-07-29
Daily data
3 data types available - data from 1910-04-01 to 2026-07-27
Field measurements
2 data types available - data from 1950-01-06 to 2026-07-09
Discrete sample data
82 Observed properties (data types) available - with data from 1960-06-01 to 1988-07-05
538 Sampling activities
Statistical tables for select daily data types
3 data types available - data from 1910-04-01 to 2026-07-27
Available location images
WHETSTONE RIVER NEAR BIG STONE CITY SD
view from left bank looking downstream
View more imagery information for WHETSTONE RIVER NEAR BIG STONE CITY SDMonitoring locations with continuous data in last 120 days
No locations found