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Criteria Assessment Protocol Workgroup

Scope and Purpose

The Criteria Assessment Protocol Workgroup objectives are to create a partnership agreement on and MD, VA, DE and DC adoption of criteria assessment protocols for the remaining DO criteria in time for the April 2016 303(d) listing cycle to inform the 2017 mid-point assessment and prioritize and resolve additional water quality criteria assessment protocol questions from the partnership.


  • Peter Tango (Chair), U.S. Geological Survey (USGS)
  • Lea Rubin (Staff), Chesapeake Research Consortium

  • John Backus, Maryland Department of the Environment
  • Thomas Barron, Pennsylvania Department of Environmental Protection
  • Rich Batiuk, U.S. Environmental Protection Agency
  • Sherm Garrison, Maryland Department of Natural Resources
  • William Hunley, Hampton Roads Sanitation District
  • Cindy Johnson, Virginia Department of Environmental Quality
  • Lee Karrh, Maryland Department of Natural Resources
  • Rodney Kime, Pennsylvania Department of Environmental Protection
  • Michael Lane, Old Dominion University (ODU)
  • Roberto Llanso, Versar
  • Bruce Michael, Maryland Department of Natural Resources
  • Ken Moore, Virginia Institute of Marine Science (VIMS)
  • Andrew Muller, U.S. Naval Academy
  • Diana Muller, South River Federation
  • Mike Naylor, Maryland Department of Natural Resources
  • Tom Parham, Maryland Department of Natural Resources
  • David Parrish, Virginia Institute of Marine Science (VIMS)
  • Tish Robertson, Virginia Department of Environmental Quality
  • Donald Smith, Virginia Department of Environmental Quality
  • Cleo Stevens , Virginia Department of Environmental Quality
  • Matthew Stover , Maryland Department of the Environment
  • Richard Tian, University of Maryland Center for Environmental Science (UMCES)
  • Mark Trice, Maryland Department of Natural Resources
  • Howard Weinberg, University of Maryland Center for Environmental Science (UMCES)
  • David Wolanski, Delaware Department of Natural Resources and Environmental Control
  • John Wolf, U.S. Geological Survey (USGS)

Ambient WQ Criteria for DO, Water Clarity & Chlorophyll a for the Chesapeake Bay & Its Tidal Tribs

Ambient Water Quality Criteria for Dissolved Oxygen, Water Clarity, and Chlorophyll a for the Chesapeake Bay and It's Tidal Tributaries & Technical Support for Criteria Assesment Protocols Addenda

Since the signing of the multijurisdictional Chesapeake 2000 agreement, the U.S. Environmental Protection Agency (EPA), in cooperation with its six watershed State partners and the District of Columbia, has developed a series of water quality criteria guidance documents in accordance with Section 117b of the Clean Water Act. Chesapeake Bay regional water quality criteria were developed and adopted into state water quality standards regulations protective of living resources and their habitats.

These documents include the 2003 Chesapeake Bay water quality criteria document and it's following addenda; as such readers should regard the sections in these addenda as new or replacement chapters and appendices to the original published report. The criteria assessment procedures published in these addenda also replace and otherwise supersede similar criteria assessment procedures originally published in the 2003 Regional Criteria Guidance. Publication of future addenda by EPA on behalf of the Chesapeake Bay Program watershed jurisdictional partners is likely as continued scientific research and management applications reveal new insights and knowledge that should be incorporated into revisions of state water quality standards regulations in upcoming triennial reviews.



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