The RFHP uses the EPA's aggregated Level III ecoregions derived from the Wadeable Streams Assessment. Search for your reservoir on the Priority Dashboard to easily determine your ecoregion, typical fish habitat impairments, and important fish species.

EPA Wadeable Streams Assessment ecoregions

Please feel free to download the following GIS layers, should you need them:

• Western Mountains
• Xeric
• Northern Plains
• Temperate Plains
• Southern Plains
• Northern Appalachian
• Southern Appalachian
• Coastal Plains
• Upper Midwest