Provides links and information regarding the updated floodplain maps and study for the 15 Rockingham County Communities in the Coastal NH Floodplain Mapping Project.
On July 29, 2020, FEMA issued the Letter of Final Determination (LFD) for the Rockingham County portion of the Piscataqua Salmon Falls Watershed – Coastal Project. The LFD establishes the effective date of the new Flood Insurance Rate Maps (FIRMs) and Flood Insurance Study (FIS) and provides communities six months to adopt the new FIRMs and FIS prior to the effective date. The FIRM effective date is January 29, 2021.
To learn more about the NH Coastal Mapping Project, please go to its home page.
Community Officials - Flood Maps are Changing Webinar Series
- September 29, 2020 - What That Means for Your Community
- October 15, 2020 - Preparing Your Residents and Business Owners
- November 12, 2020 - Floodplain Management Basics for Community Officials
- December 15, 2020 - What to Know About Building in Coastal A and VE Zones
Community Officials Information
- Outreach Toolkit for Community Officials
- Adoption of Flood Insurance Rate Maps by Participating Communities
- FEMA Guidance on the Use of Available Flood Hazard Information
- Understanding FEMA’s Summary of Map Actions and Revalidation Letter
- Map Updates: Social Media and Outreach Resources for Agents and Communities
- Coastal Flood Risk Mapping Information
Property Owner and Flood Insurance Information
- FEMA Virtual Open House for the Public – Presentation Slides – November 18th, 4 - 6 PM
- What Flood Map Updates Mean for Property Owners
- Map Changes and Flood Insurance: What Property Owners Need to Know Fact Sheet
- Flood Map Update Information for Property Owners and Agents
- What to Know when Moving from Low- to Moderate-Risk (Zone X) to High Risk Area (Zone A/AE/AO, VE)
- What to Know when Moving from High Risk to Higher Risk Area (Flood zone and/or BFE change)
- What to Know when Moving from High Risk (Zone A/AE/AO, VE) to Low- to Moderate-Risk (Zone X)
- Information on how to change the FEMA maps or change a flood zone designation
Regulatory Products (recommend viewing the following in Google Chrome)
- Effective Flood Insurance Rate Maps and Flood Insurance Study Reports - FEMA Map Service Center
- New Hampshire Flood Hazards Viewer
- NH Coastal Flood Map Comparison Viewer (Compare 2005 maps with the 1/29/2021 maps)
The following non-regulatory products were produced by FEMA as part of the NH Coastal Floodplain Mapping Project. FEMA is providing these products to help community members and officials view and visualize their local flood risk, allowing communities to make informed decisions about reducing flood loss and mitigating potential damage from flood hazards. A general description of the following products can be found on FEMA's web site.
For more information, contact OSI's Floodplain Management Staff.