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#1 Federal
Select Hydrologic Attributes: Contact Time
- Organization: Department of the Interior
- Dataset Last Updated: March 26, 2026 at 12:00 AM
This tabular data set represents contact time, the length of time it takes for water to drain along subsurface flow paths to the stream, compiled for two spatial components of the NHDPlus version...
- xml
- xml
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 08:53 PM

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Select Hydrologic Attributes: Contact Time