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Duluth Watersheds Miller Chester Tischer Amity. Aerial Photos.

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Presentation on theme: "Duluth Watersheds Miller Chester Tischer Amity. Aerial Photos."— Presentation transcript:

1 Duluth Watersheds Miller Chester Tischer Amity

2 Aerial Photos

3 Impervious Surfaces

4 Relationship Between % Imperviousness and Water Quality 8070605040302010 0 ADAPTED FROM SCHUELER, ET. AL., 1992 STREAM DEGRADATION WATERSHED IMPERVIOUSNESS (%) DEGRADED PROTECTED IMPACTED Impervious Surface is a Strong Indicator of Water Quality

5 Current Impervious Surfaces by Watershed

6 Land Use/Cover

7 NEMO Classes Red – Urban areas, roads and railroads Yellow – Farmsteads and rural developments Green – Forested areas Brown – Grasslands, agricultural, bare rock, gravel pits, regeneration forest Blue – Open water, wetlands

8 Zoning Boundaries

9 City of Duluth Land Use/Cover combined with zoning boundaries

10 Removal of Steep Slopes

11 Removal of Steep Slopes and Wet areas

12 Removal of Steep Slopes, Wet areas, and current Impervious areas

13 Build-out Impervious Surfaces


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