SEAI Mapping Systems Wiki

Hydro Layers

This page provides links to details on each of the data layers contained in the Hydro Power GIS. Each data layer is a single map projection, overlaid on one of the base layers (grey canvas, streets map, imagery, etc.). The information contained in the sub-pages includes, for example, the source of the data, and usage notes.

  1. Reference Layers
  2. NPWS Designated Areas
  3. EPA Water Features

    • Hydrometric Gauges
    • Rivers
    • Stream
    • Lakes
    • Coastal Waterbodies
    • Transitional Waterbodies
    • Ground Waterbodies
  4. Hydro
    • HydroWM