Uploaded February 2026 | Updated September 2026, 1 day ago
Join us as we discover how to regulate those notorious A Zones, find base flood elevations and regulatory flood protection elevations, and share options to determine floodway versus flood-fringe.
Presenters: Ceil Strauss and Doug Joachim
Helpful related websites:
• DNR’s Finding flood maps page - dnr.state.mn.us/waters/watermgmt_section/floodplain/access-flood-maps.html
• FEMA Map Service Center (MSC) - msc.fema.gov/portal/home
• FEMA National Flood Hazard Layer (to see LOMAs/LOMR-Fs turn on “LOMA” Layer - hazards-fema.maps.arcgis.com/apps/webappviewer/index.html?id=8b0adb51996444d4879338b5529aa9cd
• FEMA Flood Map Changes Viewer (to see preliminary and pending new maps) - hazards-fema.maps.arcgis.com/apps/webappviewer/index.html?id=5852ea902db44e55bfce395799315f9c
• DNR Lake & Flood Elevations Online (LFEO) viewer - arcgis.dnr.state.mn.us/ewr/lfeo/lat/46.4055/lng/-94.2779/z/6
• DNR MNTOPO site - mntopo.dnr.state.mn.us
• DNR FEMA Hydraulic Model Download site - dnr.state.mn.us/waters/watermgmt_section/floodplain/fema_app.html
• DNR Estimating the 100-Year (1% Annual Chance) Flood Elevation on Lakes - files.dnr.state.mn.us/publications/waters/floodplain-management-fact-sheet.pdf
dnr.state.mn.us/waters/watermgmt_section/floodplain/training.html
Join us as we discover how to regulate those notorious A Zones, find base flood elevations and regulatory flood protection elevations, and share options to determine floodway versus flood-fringe.
Presenters: Ceil Strauss and Doug Joachim
Helpful related websites:
• DNR’s Finding flood maps page - dnr.state.mn.us/waters/watermgmt_section/floodplain/access-flood-maps.html
• FEMA Map Service Center (MSC) - msc.fema.gov/portal/home
• FEMA National Flood Hazard Layer (to see LOMAs/LOMR-Fs turn on “LOMA” Layer - hazards-fema.maps.arcgis.com/apps/webappviewer/index.html?id=8b0adb51996444d4879338b5529aa9cd
• FEMA Flood Map Changes Viewer (to see preliminary and pending new maps) - hazards-fema.maps.arcgis.com/apps/webappviewer/index.html?id=5852ea902db44e55bfce395799315f9c
• DNR Lake & Flood Elevations Online (LFEO) viewer - arcgis.dnr.state.mn.us/ewr/lfeo/lat/46.4055/lng/-94.2779/z/6
• DNR MNTOPO site - mntopo.dnr.state.mn.us
• DNR FEMA Hydraulic Model Download site - dnr.state.mn.us/waters/watermgmt_section/floodplain/fema_app.html
• DNR Estimating the 100-Year (1% Annual Chance) Flood Elevation on Lakes - files.dnr.state.mn.us/publications/waters/floodplain-management-fact-sheet.pdf
dnr.state.mn.us/waters/watermgmt_section/floodplain/training.html










