"BFE" means the Base Flood Elevation.

"CFR" means the Code of Federal Regulations.

"CFS" means Cubic Feet/Second.

"CMZ" means the Channel Migration Zone.

"DFF" means Deep and/or Fast Flowing Water.

"DFIRM" means Digital Flood Insurance Rate Map.

"EC" means the Elevation Certificate.

"ESU" means Evolutionarily Significant Unit.

"FEMA" means the Federal Emergency Management Agency.

"FIRM" means the Flood Insurance Rate Map.

"FIS" means the Flood Insurance Study.

"GIS" means the Geographical Information Systems.

"HEC-RAS" means the Hydraulic Engineering Center-River Analysis System.

"HVAC" means the Heating-Ventilation-Air Conditioning.

"LOMA" means the Letter of Map Amendment.

"LOMR" means the Letter of Map Revision.

"NAVD" means North American Vertical Datum.

"NFIP" means the National Flood Insurance Program.

"NGVD" means the National Geodetic Vertical Datum.

"NMFS" means National Marine Fisheries Service.

"OHWM" means the Ordinary High Water Mark.

"OSS" means the On-site Sewage System.

"TPCHD" means the Tacoma-Pierce County Health Department.

"USGS" means the United States Geological Survey.

"WDFW" means Washington Department of Fish and Wildlife.

"WDNR" means the Washington Department of Natural Resources.