FEMA Flood Insurance Rate Map (FIRM

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Update 2010/2019 Map Comparison

The Public Works Department has created an interactive map that exhibits changes from the currently adopted 2010 FIRM when compared to the updated 2019 FIRM. FEMA Flood Map Comparison

Tips for using this interactive map:

  • This map functions optimally when using the Google Chrome browser.
  • The blue “comparison slider” circle and white vertical lines attached to it defines the border between the two separate maps and can be dragged right and left to better view the differences between the separate maps.
  • The 2010 FIRM is shown on the left-hand side of the screen, the 2019 FIRM on the right.
  • Use your mouse wheel or keyboard function to zoom in and out, click and drag the screen to navigate around Sitka.
  • Additional details (structures, street names, address numbers) become visible as you zoom in on a specific location (Baranof and Japonski Islands only).

Call (907) 747-1804 for assistance utilizing this map, if needed.

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