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Idaho Department of Lands (IDL)
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US Geological Survey (USGS)
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NHD Plus (Based on 100K NHD)
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Natural Resources Conservation Service (NRCS)
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Environmental Protection Agency (EPA)
- EPA – Locate Your Watershed
- EPA Watershed Assessment – Tracking & Environmental Results
- Definition of “Waters of the United States” Under the Clean Water Act:
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US Forest Service (USFS)
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Other
Official Government Website
Idaho Department of Water Resources
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