1. Census Polygons as Community Served Approximations

2. Census Defined Places and Census Tracts: Example for NC for CWS Facilities (excluding “Very Small” Facilities)
Match SDWIS PCITY or SYSTEM NAME to Names of Census Defined Places
For Other Facilities, use spatial joins to match facilities to Census Tracts (which are a bit smaller in general than ZIP polygons)

3. Census Defined Places and Census Tracts: Example for NC for CWS Facilities (excluding “Very Small” Facilities)

4. Census Defined Places and Census Block Groups: Example for NC for CWS Facilities (excluding “Very Small” Facilities)
Match SDWIS PCITY or SYSTEM NAME to Names of Census Defined Places
For Other CWS Facilities, use spatial joins to match facilities to the even smaller Census Block Groups
Similar Block Group match approach for “very small” CWSs and for non-CWSs (non shown in these maps)

5. Census Defined Places and Census Block Groups: Example for NC for CWS Facilities (excluding “Very Small” Facilities)

6. Zoom in for RTP Area of North Carolina

7. Census Polygons as Community Served Approximations