Watershed authority presents updated natural hazard maps to Ottawa residents, March 28

Zandbergen photo, Nation Valley News file

METCALFE — South Nation Conservation (SNC) reduces risk to life and damage to property by providing municipalities and residents with advance notice of potential flooding. This includes areas of the watershed within Ottawa, where SNC is currently updating and improving floodplain and slope-stability maps.

SNC invites city residents to attend a Thursday, March 28, public open house to view and comment on the new natural hazard maps that focus on: the Middle Castor River from the intersection of Snake Island Road and Greys Creek Road to Victoria Street; Buckles Creek from Pearl Street to Stagecoach Road; and Ebbers Creek from Albert Bouwers Circle to 9th Line Road. The event runs 6:30 to 8:30 p.m. at the Metcalfe Community Centre (2785 8th Line Road, Metcalfe).

“We are particularly interested in historical information that residents may be able to provide for these watercourses,” said Sandra Mancini, SNC’s Team Lead, Engineering. Mancini invites residents to bring along photos, news clippings, and anecdotal stories to compare to natural hazard maps.

Ottawa is the single largest municipal contributor to the annual budget of the watershed authority.

The updated mapping will be used by the city and SNC when updating official plans and zoning schedules, and in reviewing other Planning Act applications. “The ultimate goal of the mapping is to help ensure safe development,” added Mancini. “It’s all about keeping people and property safe.”

It’s not immediately clear if the new maps will make it harder to develop certain properties currently OK for construction under the old mapping.

SNC staff will be on-hand at the public house to respond to any questions from property owners and residents.

Flood forecasting is based on weather events experienced in a watershed and compares them over time. Flood forecasting and warning are key SNC responses to intense precipitation events and extreme weather.

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