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Important for you to know:

  • Discrete sample data delivery is undergoing modernization. Starting March 11, 2024, there will be a period when new sample data will not be accessible. Learn more about the upcoming change on our blog.
  • New to WDFN: customize and keep track of your list of favorite monitoring locations and data types using the new My Favorites page. To learn more, read our announcement on our Water Data for the Nation blog.

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