Online Flood Information Library

Additional flood materials can also be found at the main branch of the Portsmouth Public Library located at 601 Court Street and in the Department of Permits and Inspections on the 4th Floor of City Hall 801 Crawford Street.

Flood Information Library

  1. 2015 Floodplain Management Plan (PDF)
  2. Flood Pamphlet (PDF)
  3. Portsmouth Floodplain Ordinance (August 3, 2015) (PDF)

Construction / Reconstruction

  1. Above the Flood: Elevating Your Floodprone House (PDF)
  2. Avoiding Hurricane Damage (PDF)
  3. Crawlspace Construction (PDF)
  4. Free-of-Obstruction Requirements (PDF)
  5. Homeowner's Guide to Elevation Certificates (PDF)
  6. Homeowner's Guide to Retrofitting (PDF)
  7. Local Officials Guide for Coastal Construction (PDF)
  8. Non-residential Floodproofing (PDF)
  9. Openings in Foundation Walls (PDF)
  10. Protecting Manufactured Homes (PDF)
  11. Rebuilding in an AE Zone (PDF)
  12. Rebuilding in an VE Zone (PDF)
  13. Reducing Flood Risk to Residential Buildings That Cannot Be Elevated (PDF)
  14. Repairing Your Flooded Home (PDF)
  15. Wet Floodproofing (PDF)

Hazard Preparation & Safety

  1. FEMA Floods Fact Sheet (PDF)
  2. Flood Facts (PDF)
  3. Know Your Risk (PDF)
  4. Reduce Your Risk From Natural Disasters (PDF)