Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data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 332544096315401 Sister Grove Ck at FM 121 nr Van Alstyne, TX
Grayson County, Texas
Hydrologic Unit Code 12030106
Latitude 33°25'44.18", Longitude 96°31'53.76"
NAD83