1990 Census Designated Places

Watersheds (12 digit)

  • MSTM Shapefile: MS_Watersheds_12.zip
  • Current Data: 2019
  • Current Metadata: 2019

The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and resolution. It defines the areal extent of surface water drainage to a point except in coastal or lake front areas where there could be multiple outlets as stated by the "Federal Standards and Procedures for the National Watershed Boundary Dataset.

2019 Metadata PDF Download