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County staff outline flood-management modeling, propose public watershed maps and targeted upstream projects
Summary
Montgomery County Department of Environmental Protection staff updated the Transportation and Environment Committee on the countywide comprehensive flood management plan and related CIP amendments on March 17, saying the project will expand watershed modeling, update precipitation assumptions to reflect climate projections, and move toward a public web map of modeled flood depths.
Montgomery County Department of Environmental Protection staff updated the Transportation and Environment Committee on the countywide comprehensive flood management plan and related CIP amendments on March 17, saying the project will expand watershed modeling, update precipitation assumptions to reflect climate projections, and move toward a public web map of modeled flood depths.
Stan Edwards, chief of the Division of Energy, Climate Compliance and DEP, said the plans current phase is modeling detailed watersheds, beginning with Sligo Creek as a pilot. "We're doing 11 watersheds. They should be modeled by the end of 2027," Edwards said, and staff will create models for design storm events from 10-year to 500-year events and project conditions through 2100.
Edwards described updates to precipitation assumptions…
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