Environmental Overlay Zone Map Correction Project District property owners are invited to meet with Portland's Bureau of Planning and Sustainability staff one-on-one to look at proposed changes to environmental zones. --- Project Information --- Environmental overlay zones protect Portland’s natural resources, including streams, wetlands, forests...
Learn about our flood-risk reduction systems and services at an event near you! The Districts, in partnership with Levee Ready Columbia, host informational booths at various events throughout Multnomah County each year. Stop by our booth to learn about the history of flooding along the...
**información en español más abajo** Join the Columbia Slough Watershed Council for and the Mulnomah County Drainage District for Regatta, a unique on the water paddle festival. The event features complimentary 45-minute canoe and kayak rentals (all equipment provided) for registered attendees. Before and after paddling,...
To see past agendas and meeting minutes, please visit our document library.
To see past agendas and meeting minutes, please visit our document library.
To see past agendas and meeting minutes, please visit our document library.
To see past agendas and meeting minutes, please visit our document library.
Learn about our flood-risk reduction systems and services at an event near you! The Districts, in partnership with Levee Ready Columbia, host informational booths at various events throughout Multnomah County each year. Stop by our booth to learn about the history of flooding along the...
Learn about our flood-risk reduction systems and services at an event near you! The Districts, in partnership with Levee Ready Columbia, host informational booths at various events throughout Multnomah County each year. Stop by our booth to learn about the history of flooding along the...
Please join the US Army Corps of Engineers (USACE) and Levee Ready Columbia to learn more about the 27-mile levee system that reduces the risk of flooding along the Columbia River in Multnomah County, the system’s vulnerabilities, and ideas and efforts to make it more...