Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data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 464543092070601 ST. LOUIS BAY (SITE 25) ABV BLATNIK BRG IN DULUTH