Design and Construction of Infiltration FacilitiesStatus: CompleteReport Date: 07/13/2021 Summary: MnDOT and local agencies control stormwater runoff from roadways through a range of settlement, filtration and infiltration facilities, such as wet ponds, infiltration basins, trenches and swales. Runoff infiltration facilities allow roadway contaminants to be filtered out before stormwater moves into the environment. Infiltration facilities have been used for more than 30 years, but a high rate of failure has been tied to inaccurate determination of soil infiltration rates. Researchers developed new tools and protocols to provide designers and engineers with the accurate infiltration measures they need, from initial site selection through construction. These tools and methods will support the development of successful stormwater infiltration facilities along Minnesota roadways. Final Deliverables: Report #2021-14 Research Summary Related Materials: New Tools and Protocols for Successful Infiltration Facilities - (Blog Post) Related Research: