search menu News + events News Barr staff to present at MAWD 2021 Conference Barr staff to present at MAWD 2021 Conference Nov 23, 2021 Four Barr staff will present at the Minnesota Association of Watershed Districts (MAWD) 2021 Conference. Barr staff to present at Tailings and Mine Waste 2021 Barr staff to present at Tailings and Mine Waste 2021 Nov 1, 2021 Multiple Barr staff members are scheduled to present at the Tailings and Mine Waste 2021 Conference in Banff, Alberta. EPA rescinds guidance on Maui decision and discharges to groundwater EPA rescinds guidance on Maui decision and discharges to groundwater Oct 29, 2021 The U.S. Environmental Protection Agency rescinded a guidance document about discharges to groundwater and whether NPDES permits are needed. Barr’s top eight takeaways from EPA’s PFAS strategic roadmap Barr’s top eight takeaways from EPA’s PFAS strategic roadmap Oct 27, 2021 On October 18, 2021, the U.S. Environmental Protection Agency announced a strategic roadmap to address per- and polyfluoroalkyl substances (PFAS). Barr named to Engineering News Record’s 2021 Top Firms Lists Barr named to Engineering News Record’s 2021 Top Firms Lists Oct 26, 2021 Barr has been named to several Top Firms Lists in Engineering News Record’s (ENR) 2021 rankings. 1234 Upcoming Events MAWD Dec 1, 2021 Minnesota Association of Watershed Districts Date: December 1-4, 2021 Location: Virtual Learn more MO Limestone Producers Association 2021 Annual Convention Dec 1, 2021 Date: December 1-3, 2021 Location: Osage Beach, MO Learn more SME AZ Dec 5, 2021 Society for Mining, Metallurgy, & Exploration Date: December 5-6, 2021 Location: Tuscon, AZ Learn more AEMA Dec 5, 2021 American Exploration & Mining Association Date: December 6-10, 2021 Location: Sparks, NV Learn more Great Lakes PFAS Summit Dec 6, 2021 Date: December 6-10, 2021 Location: Virtual Learn more News archive See past news Let’s work together Want to learn more? Contact us to find out more about how we can help. Contact resourceful. naturally.® Client Portal Employees © 2021 Barr Engineering Co. Privacy Policy QUICK LINKS About Barr Projects Services News + events Innovation + insights Careers SOCIAL