Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data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 414145092134601 080N12W34DBBD 17995 1966IA Highway Comm I-80 2