SubCommittee on Spatial Water Data

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Sub-Committee on Spatial Water Data

• 2006 Progress and
• 2007 Proposed Activities

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2006 Progress

• Status of NHD
• Status of WBD
• Status of High Res. NHD

NHDPlus includes Topographically-Derived
Catchments (2,613,709 total catchments)
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Watershed Boundary Dataset
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High Resolution NHD 24K
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2007 SSWD Scope of Work

• Designing and adding substantive water content to
  the E-Government Geospatial One-Stop (GOS).
• Facilitate development of the following standards
  and guidelines
• Watershed Delineation Guidelines
• Hydrologic Unit standard
• ANSI hydro standard
• Shepherd development and maintenance of key
  national water datasets
• WBD,
• NHD, NHDplus,
• NED/EDNA.
• Work with Water Resource Consortium and CUAHSI to
  develop Water One-Flow, a unique portal to
  explore and access water resources information
  across the country