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Explore the NEWUSGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
Water Quality Samples for Maryland
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Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data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.