PROJECT:  Lansdowne Creek Floodplain Mapping Project

CLIENT:  North Bay-Mattawa Conservation Authority (NBMCA)

NUMBER OF YEARS DEALING WITH CLIENT: +/- 3 years

DESCRIPTION OF PROJECT: 

• Water’s Edge was authorized by North Bay-Mattawa Conservation Authority (NBMCA to provide technical and engineering services to a new floodplain mapping of Lansdowne Creek and its tributaries.
• Water’s Edge staff collected LiDAR data and processed the data for hydraulic modeling and mapping uses.
• Water’s Edge staff collected bridge/culvert information and streamflow.
• A hydrologic model was built for Lansdowne Creek watershed using HEC HMS.
• A 1D HEC-RAS model was produced to determine the water surface elevations for the various design storms.
• Floodplain maps were then produced using the HEC-RAS results according to Provincial and Federal standards.
• A 2D HEC-RAS model was also built to gain additional insight into the flood extents.

SERVICES PROVIDED:  HEC-HMS and HEC-RAS Modeling for Floodplain Mapping

DATE OF PROJECT:  Spring 2023-ongoing