WHAT VERTICAL DATUM IS BEING USED FOR THE ELEVATION INFORMATION WITHIN LOUISIANA?
The vertical datum used within the effective Flood Insurance Studies for the coastal Louisiana parishes is National Geodetic Vertical Datum of 1929 (NGVD29). For the Flood Recovery Guidance, NGVD29 has also been utilized in determining the Advisory Base Flood Elevations. For additional information on NGVD29 and other vertical datum, please contact National Geodetic Survey or visit their website at www.ngs.noaa.gov.
The vertical datum used within the effective Flood Insurance Studies for the coastal Louisiana parishes is National Geodetic Vertical Datum of 1929 (NGVD29). For the Flood Recovery Guidance, NGVD29 has also been utilized in determining the Advisory Base Flood Elevations. For additional information on NGVD29 and other vertical datum, please contact National Geodetic Survey.
