Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data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 400919105051501 ST VRAIN CK 50 FT ABV LEFT HAND CK AT LONGMONT, CO