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Nontidal Water Quality Workgroup

Scope and Purpose

The Nontidal Water Quality Workgroup provides a coordination role to integrate water-quality monitoring programs in the non-tidal portion of the Bay’s watershed and with the tidal monitoring programs. The two primary goals of the Workgroup are to (1) coordinate implementation of the CBP Non-tidal Water Quality Network and manage the associated information, (2) provide analysis of the monitoring information to document water-quality change over time and support development of CBP indicators and assessment reports, and (3) support the science and technical needs of the Chesapeake Bay Program’s Goal Implementation Teams.


  • Scott Phillips (Chair), USGS Chesapeake Bay
  • Lea Rubin (Staff), Chesapeake Research Consortium

  • Rich Batiuk, U.S. Environmental Protection Agency
  • Sheila Besse, District of Columbia Department of the Environment (DDOE)
  • Carin Bisland, U.S. Environmental Protection Agency
  • Karl Blankenship, Bay Journal
  • Joel Blomquist, U.S. Geological Survey (USGS)
  • Dan Boward, Maryland Department of Natural Resources
  • Lucretia Brown, District of Columbia Department of the Environment (DDOE)
  • Claire Buchanan, Interstate Commission on the Potomac River Basin (ICPRB)
  • Pat Buckley, Pennsylvania Department of Environmental Protection
  • Anna Stuart Burnett, Chesapeake Research Consortium
  • Doug Chambers, U.S. Geological Survey (USGS)
  • Peter Claggett, U.S. Geological Survey (USGS)
  • Sally Claggett, U.S. Forest Service (USFS)
  • Wayne Davis , U.S. Environmental Protection Agency - Region 3
  • Bill Dennison, University of Maryland Center for Environmental Science (UMCES)
  • Chris Eng, U.S. Fish and Wildlife Service (USFWS)
  • Ron Entringer, New York State Department of Environmental Conservation
  • Richard Eskin, Maryland Department of the Environment
  • Michelle Everson, U.S. Fish and Wildlife Service (USFWS)
  • Mike Fritz, U.S. Environmental Protection Agency
  • Greg Garman, Virginia Commonwealth University
  • Sherm Garrison, Maryland Department of Natural Resources
  • Andy Gavin , Susquehanna River Basin Commission (SRBC)
  • Jennifer Greiner, U.S. Fish and Wildlife Service (USFWS)
  • George Harman, Maryland Department of the Environment
  • Carlton Haywood, Interstate Commission on the Potomac River Basin (ICPRB)
  • Liza Hernandez, University of Maryland Center for Environmental Science (UMCES)
  • Robert M. Hirsch, U.S. Geological Survey (USGS)
  • Ken Hyer, U.S. Geological Survey (USGS)
  • Fred Irani, U.S. Geological Survey (USGS)
  • Jackie Johnson, Interstate Commission on the Potomac River Basin (ICPRB)
  • Cindy Johnson, Virginia Department of Environmental Quality
  • Bryan King, District of Columbia Department of the Environment (DDOE)
  • Ron Klauda, Maryland Department of Natural Resources
  • Mike Langland, U.S. Geological Survey (USGS)
  • Jackie Lendrum, New York State Department of Environmental Conservation
  • Mary Ellen Ley, U.S. Geological Survey (USGS)
  • Elizabeth Maclin, Trout Unlimited
  • Mike Mallonee, Interstate Commission on the Potomac River Basin (ICPRB)
  • Kevin McGonigal, Susquehanna River Basin Commission (SRBC)
  • Larry Merrill, U.S. Environmental Protection Agency - Region 3
  • Bruce Michael, Maryland Department of Natural Resources
  • Leopoldo Miranda, U.S. Fish and Wildlife Service (USFWS)
  • Hassan Mirsajadi, Delaware Department of Natural Resources and Environmental Control
  • Matt Monroe, West Virginia Department of Agriculture
  • Doug Moyer, U.S. Geological Survey (USGS)
  • Andrea Nagel, Interstate Commission on the Potomac River Basin (ICPRB)
  • Bob Paul, St. Mary’s College of Maryland
  • Charles Poukish, Maryland Department of the Environment
  • Tony Prochaska, Maryland Department of Natural Resources
  • Molly Pulket, Pennsylvania Department of Environmental Protection
  • Adam Rettig, Maryland Department of the Environment
  • Bill Richardson, U.S. Environmental Protection Agency - Region 3
  • Bill Romano, Maryland Department of Natural Resources
  • Mark Secrist, U.S. Fish and Wildlife Service (USFWS)
  • Tony Shaw, Pennsylvania Department of Environmental Protection
  • Gary Shenk, U.S. Environmental Protection Agency
  • Rick Shertzer, Alliance for the Chesapeake Bay Local Government Advisory Committee
  • Nicoline Shulterbrandt, District of Columbia Department of the Environment (DDOE)
  • Donald Smith, Virginia Department of Environmental Quality
  • Shatika Starks, U.S. Environmental Protection Agency - Region 3
  • Rich Starr, U.S. Fish and Wildlife Service (USFWS)
  • Roger Stewart , Virginia Department of Environmental Quality
  • Scott Stranko, Maryland Department of Natural Resources
  • Nita Sylvester, U.S. Environmental Protection Agency
  • Peter Tango, U.S. Geological Survey (USGS)
  • Larry Towle, Delaware Department of Agriculture
  • Bruce Vogt, National Oceanic and Atmospheric Administration (NOAA)
  • Don Weller, Smithsonian Environmental Research Center (SERC)
  • Amy Williams, Pennsylvania Department of Environmental Protection
  • John Wirts, West Virginia Department of Environmental Protection
  • Amy Wolfe, Trout Unlimited
  • Guido Yactayo, University of Maryland Center for Environmental Science (UMCES)

Upcoming Events

    June Nontidal Water Quality Workgroup Meeting

    Location

    Suite 305A Conference Room

    Date / Time:

    June 19, 2013
    1:00pm - 3:00pm

    Details:

    Monthly NTWG Meeting. Please see agenda for more details.

    Conference line dial 1-866-299-3188 enter code 4102675731
    Adobe Connect https://epa.connectsolutions.com/ntwg

July Nontidal Water Quality Workgroup Meeting

Location

Suite 305A Conference Room

Date / Time:

July 17, 2013
1:00pm - 3:00pm

Details:

Monthly NTWG Meeting. Please see agenda for more details.

Conference line dial 1-866-299-3188 enter code 4102675731
Adobe Connect https://epa.connectsolutions.com/ntwg

August Nontidal Water Quality Workgroup Meeting

Location

Suite 305A Conference Room

Date / Time:

August 21, 2013
1:00pm - 3:00pm

Details:

Monthly NTWG Meeting. Please see agenda for more details.

Conference line dial 1-866-299-3188 enter code 4102675731
Adobe Connect https://epa.connectsolutions.com/ntwg

Past Meetings & Events

  • May 15, 2013 - May Nontidal Water Quality Workgroup Meeting
  • April 17, 2013 - April Nontidal Water Quality Workgroup Meeting
  • March 27, 2013 - Nontidal Water Quality Workgroup & Tidal Monitoring and Analysis Workgroup Collaborative Meeting
  • March 20, 2013 - CANCELLED: March Nontidal Water Quality Workgroup Meeting
  • February 20, 2013 - February Nontidal Water Quality Workgroup Meeting
  • January 16, 2013 - January Nontidal Water Quality Workgroup Meeting
  • January 15, 2013 - Nontidal Water Quality Workgroup - Action Team Meeting
  • December 12, 2012 - December Nontidal Water Quality Workgroup Meeting
  • November 15, 2012 - November Nontidal Water Quality Workgroup Meeting
  • October 24, 2012 - October Nontidal Water Quality Workgroup Meeting
  • October 15, 2012 - Nontidal Water Quality Workgroup (NTWG) Data Management Issues Action Team Conference Call
  • September 19, 2012 - September Nontidal Water Quality Workgroup Meeting
  • June 13, 2012 - June Nontidal Water Quality Workgroup Meeting
  • April 11, 2012 - Nontidal Water Quality Workgroup April Meeting
  • February 8, 2012 - Nontidal Water Quality Workgroup Febuary Meeting
  • January 11, 2012 - Nontidal Water Quality Workgroup Meeting

    • Interim Guidance for Nontidal Network (NTN) WY2013 Field Blank and Duplicate Sample Collection

    INTERIM GUIDANCE FOR NONTIDAL NETWORK WY2013 FIELD BLANK AND DUPLICATE SAMPLE COLLECTION
    Draft ­ Jan. 28, 2013

    The Nontidal Data Upload and Evaluation Tool (DUET) will include pre‐programmed subroutines to generate
    statistical measures of the completeness, precision and bias of nontidal network (NTN) monitoring data. These
    statistics will enhance the ability of end users to comprehend, use and defend the data.

    Programming for the required or “expected” number and types of water quality (WQ) and quality control
    (QC) samples, as originally determined by the Nontidal Workgroup, has been difficult due to: 1)
    insufficient detail in the guidance and 2) implementation differences among agencies, such as the
    collection of additional WQ samples and different types of QC samples.

    Therefore, the following “interim” guidance is intended to overcome these difficulties for the collection
    and reporting of WY2013 nontidal data.



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