Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data
starting March 11, 2024
with a full decommission expected 6 months later.
Learn more about the upcoming change and where to find the new samples
data in our blog.
USGS 06306300 Tongue River at State Line nr Decker MT
Big Horn County, Montana
Hydrologic Unit Code 10090101
Latitude 45°00'32.89", Longitude 106°50'09.40"
NAD83