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Updates on Waters of the United States (WOTUS), PFAS, Produced Water, and MS4 Innovations

Join Charles W. Maguire, Director of the US EPA Water Division, for updates on key water programs including WOTUS, PFAS, Produced Water, and MS4 Innovations. Learn about the latest regulations, health advisories, and innovative approaches to enhance environmental protection and public health.

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Updates on Waters of the United States (WOTUS), PFAS, Produced Water, and MS4 Innovations

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  1. Let’s Talk Water Albuquerque, New MexicoMarch 25, 2019 Charles W. Maguire Director Region 6 US EPA Water Division 214-665-8138 Maguire.Charles@epa.gov

  2. EPA Region 6 Organization

  3. Water Division Organization

  4. Program Updates • Waters of the United States (WOTUS) • PFAS • Produced Water • MS4 and innovative approaches to enhance environmental protection and public health

  5. Waters of the United States (WOTUS) • EPA/USACE proposed rule Jul 2017 to rescind the 2015 WOTUS definition • Supplemental proposal issued • Public Comment period underway • Public hearing held Feb 2019 • 60-day public comment period closes Apr 15, 2019

  6. PFAS - What are they? Per- and polyfluoroalkyl substances (PFAS) • Manufactured/used in various industries since 1940s  • Extensively produced and studied • Very persistent in the environment/human body • Don’t break down, accumulates over time • Exposure can lead to adverse human health effects • Some PFAS chemicals no longer manufactured in U.S.

  7. PFAS and Water • Can be found in drinking water • Water systems required to monitor • Removed by activated carbon or high pressure membrane (RO) • Health advisories established • Summit held in Washington, D.C. May 2018 • EPA’s PFAS Action Plan Feb 2019

  8. Produced Water • EPA 2016 report on hydraulic fracturing’s impact on drinking water resources • EPA pre-treatment standards for O/G extraction - Jun 2016  • EPA/New Mexico MOU - Jul 2018 • EPA/New Mexico draft white paper on governance of produced water - Nov 2018 • EPA/STRONGER MOU - Nov 2018 • Use produced water as new water resource

  9. MS4 Update • Self-Assessment Modules - Mar 2017 • Modification to NPDES 2017 CGP • Removes examples, aligns requirements and clarifies responsibilities • Public comment period closed Jan 2019 • Green Infrastructure

  10. MS4 Innovations • Green Infrastructure Modeling Toolkit • https://www.epa.gov/water-research/ green-infrastructure-modeling-toolkit

  11. EPA Smart Sectors Program • Partnership program - platform to collaborate • Re-examines how EPA engages with industry • Meaningful collaboration with regulated sectors • Sensible policies to improve environmental outcomes • Better EPA practices and streamlined operations

  12. Questions? Charles W. Maguire Director Region 6 US EPA Water Division 214-665-8138 Maguire.Charles@epa.gov

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