Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data
starting in February 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 442519123132000 WILL R AT RM 144.6 DNSTRM LONG TOM R NR PEORIA, OR