Environmental Justice Block Groups 2021
Methodology – This layer was created from Connecticut block group boundary data located in the Census Bureau's 2019 TIGER/Line Shapefiles.  The poverty data used to determine which block groups qualified as EJ communities (see CT State statute 22a-20a) was based on the Census Bureau's 2019 ACS 5-year estimate- Table C17002.  This poverty data was joined with the block group boundaries in ArcMap.  Block groups in which the percent of the population below 200% of the federal poverty level was greater than or equal to 30.0 were selected and the resulting selection was exported as a new shapefile.  The block groups were then clipped so that only those block groups outside of distressed municipalities were displayed.&nbsp;&lt;div&gt;&lt;br /&gt;&lt;/div&gt;&lt;div&gt;Symbology – EJ block groups are displayed in orange to show that they are areas of concern.  They are not displayed in red in order to differentiate these groups from the distressed municipalities.  The transparency is set to 50% so that the basemap can be seen through the layer.  This is ideal for visualization of streets/addresses in these areas.&nbsp;&lt;/div&gt;&lt;div&gt;&lt;br /&gt;&lt;/div&gt;&lt;div&gt;&nbsp;Maintenance – This layer will be updated annually and will coincide with the annual distressed municipalities update (around August/September).  The latest ACS 5-year estimate data should be used to update this layer.&lt;/div&gt;
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