This website, the Sediment Data Portal, will be unavailable to users after May 29, 2020. All data accessible through the Sediment Data Portal are also available on NWISWeb ( and will remain so in perpetuity. Starting on May 29th, this website will redirect users to NWISWeb.

Please direct any questions about sediment data to Casey Lee (
and any questions about this web application shutdown to

NLCD Legend
Site Name
USGS Stream Gage ID
Drainage Area (mi2)
Period of Record
Number of Samples
Years Data Sampled
Discrete suspended-sediment sites
Data current as of 9-17-19. Point size is proportional to number of samples.
Daily suspended-sediment sites
Data current as of 04-09-2020. Point size proportional to years of available data.
Site Legend
Apply Filter
Clear Filter
Download Data