National Hydrography Dataset & Watershed Boundary Dataset in Idaho


Updates

In Idaho the NHD is completed at the 1:100,000 scale and 1:24,000 scale. To continuously improve the NHD and provide the most accurate “on the ground” hydrography, the Idaho Department of Water Resources (IDWR) has agreed to function as a Steward for NHD data in Idaho. If you have have better data than currently exists in the NHD please submit an update.


Recent Updates


Burley Irrigation District
Northside Canal Company

  • Aberdeen Springfield Canal Company in subbasin 17040206
  • Stream Classifications submitted by the BLM in Jarbidge have been updated in subbasins 17040212, 17040213, 17050101 and 17050102
  • New linework and names for the New Sweden Irrigation District in subbasins 17040201 and 17040206
  • New linework from the City of Lewiston on subbasin
  • 6th field edit for Jesse Creek in subbasin 17060203
  • Letha Irrigation District in subbasin 17050122

Updates in Progress

  • Photorectified linework for subbasin 17040220
  • Updated stream classification in subbasin 17010303

Contact Information:

Genna Ashley
Idaho NHD Technical Point of Contact
Phone: (208) 287-4880

Linda Davis
Idaho NHD Principal Steward
Phone: (208) 287-4877

Idaho Department of Water Resources
322 East Front Street
PO Box 83720
Boise, Idaho 83720-0098

For a list of contacts for neighboring states, as well as a list of contacts for specific regions or hydrologic units, please email Genna Ashley.

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