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Summaries and Handouts from NCDAWG Meetings

Meeting records of the Nutrient Criteria Development Work Group (NCDAWG), which advises the TCEQ about nutrient standards for surface water quality

Meeting Records

The Nutrient Criteria Development Advisory Work Group was part of the Surface Water Quality Standards Advisory Work Group from 2006 through 2009; please see the SWQSAWG Handouts and Documents page for records about nutrient criteria discussions that took place during that period.

Date Agenda Minutes Materials
August 5, 2020 Adobe Acrobat PDF Document Agenda Adobe Acrobat PDF Document Meeting Minutes Microsoft PowerPoint Document TCEQ Nutrient Criteria Development Plan Update
Microsoft PowerPoint Document  Federal Updates on Numeric Nutrient Criteria Development
Microsoft PowerPoint Document Evaluation of Laboratory Methods to Quantify Chlorophyll a: Phase 1 
Microsoft PowerPoint Document Proceeding with Reservoirs with Disapproved Chlorophyll a Criteria 
application/pdfPeriphyton Phase 2
July 27, 2015 application/pdfAgendaExit the TCEQ This meeting was held by the Surface Water Quality Monitoring (SWQM) Team for the Guidance Assessment Work Group (GAWG). Nutrient assessment of reservoirs was discussed, and all meeting materials can be found on the GAWG web page.
October 1, 2014 application/pdfAgendaExit the TCEQ application/pdfMeeting MinutesExit the TCEQ

application/pdfList of AttendeesExit the TCEQ
application/pdf2014 Nutrient Criteria Development PlanExit the TCEQ
Microsoft PowerPoint Document Characterization of Lake SomervilleExit the TCEQ 
application/pdfPre-Meeting Survey ResultsExit the TCEQ

November 7, 2012 application/pdfAgendaExit the TCEQ application/pdfMeeting MinutesExit the TCEQ

application/pdfList of AttendeesExit the TCEQ
Microsoft PowerPoint Document Status Update on EPA Approval of 2010 WQS and Summary of Revisions to TCEQ Nutrient Criteria Development PlanExit the TCEQ
Microsoft PowerPoint DocumentCharacterization of Lake Somerville Exit the TCEQ

Microsoft PowerPoint DocumentData Collection Methods for Nutrients in Texas StreamsExit the TCEQ
Microsoft PowerPoint DocumentDevelopment of Land Use/Land Cover Data for Nutrient Criteria DevelopmentExit the TCEQ
Microsoft PowerPoint DocumentGetting Started with Nutrient CriteriaExit the TCEQ
Microsoft PowerPoint DocumentEvaluating Stressor Response RelationshipsExit the TCEQ
Microsoft PowerPoint DocumentRegional Red River Project UpdateExit the TCEQ
Microsoft PowerPoint DocumentNutrient Dynamics in the Mission Aransas National Estuarine Research ReserveExit the TCEQ

June 20, 2011 application/pdfMeeting Minutes application/pdfList of Attendees
application/pdfOverview of Water Quality Criteria for Nutrients
application/pdfSelected Nutrient Projects and Related Projects in Texas
Microsoft PowerPoint DocumentNutrient Criteria Development Advisory Workgroup
Microsoft PowerPoint DocumentNutrient Criteria
Microsoft PowerPoint DocumentStandards: How Do We Use the Data and What Data Do We Need to Establish Future Criteria
September 26, 2005 application/pdfAgendaExit the TCEQ application/pdfSummaryExit the TCEQ

application/pdfMeeting Invitation Letter from Mark FisherExit the TCEQ
Microsoft Excel Document0% to 10% CriteriaExit the TCEQ 
Microsoft Excel Document0% to 10% TP CriteriaExit the TCEQ
Microsoft Excel DocumentMore Than 20% CriteriaExit the TCEQ 
Microsoft Excel DocumentReservoirs Five Year AnalysisExit the TCEQ 
Microsoft Excel DocumentSeason vs All Year CriteriaExit the TCEQ 
application/pdfLeast Impacted Reservoir Screening MethodExit the TCEQ
application/pdfNutrient Criteria Updated September 26, 2005Exit the TCEQ
Reservoirs Chlorophyll-a CriteriaExit the TCEQ
Seasonal Difference in ReservoirsExit the TCEQ

July 12, 2005 application/pdfAgendaExit the TCEQ application/pdfSummaryExit the TCEQ application/pdfDissolved Oxygen Dynamics, Nutrients and...Exit the TCEQ
application/pdfCentral Texas Nutrient Sites and Wadeable...Exit the TCEQ
application/pdfInvestigation to Support the Development of...Exit the TCEQ
application/pdfNutrient Criteria for the Texas Surface Water...Exit the TCEQ
April 13, 2005 application/pdfAgendaExit the TCEQ application/pdfSummaryExit the TCEQ application/pdfDevelopment of Use-based Chlorophyll CriteriaExit the TCEQ
application/pdfImproving the Quality of FishingExit the TCEQ
application/pdfEstablishing Reservoir Nutrient Criteria for TexasExit the TCEQ
application/pdfApproach for Establishing Reservoir Nutrient CriteriaExit the TCEQ
application/pdfDraft Reservoir Criteria with Means and MediansExit the TCEQ
application/pdf12/20/04 Draft Nutrient Criteria Development PlanExit the TCEQ
application/pdfNCDAWG Focus Question 1Exit the TCEQ
application/pdfReservoir Land Use Urban and AgricultureExit the TCEQ
January 26, 2004 application/pdfAgendaExit the TCEQ application/pdfSummaryExit the TCEQ application/pdfNutrient Criteria in the Trinity River BasinExit the TCEQ
Microsoft Excel DocumentCharacteristics of Texas Reservoirs DatabaseExit the TCEQ
Microsoft Excel DocumentSummer Lake Statistics DatabaseExit the TCEQ
Microsoft Excel Document01/04 Texas Nutrient Criteria DatabaseExit the TCEQ
Microsoft PowerPoint DocumentNutrients in Texas ReservoirsExit the TCEQ
Microsoft PowerPoint DocumentTWCA Case StudyExit the TCEQ
Microsoft Word DocumentDesignated Lakes and Ecoregions MapExit the TCEQ
Microsoft Word DocumentNutrient Criteria Investigation Preliminary ReportExit the TCEQ
February 24, 2003 application/pdfSummaryExit the TCEQ application/pdfA Possible Method to Develop Nutrient CriteriaExit the TCEQ
May 20, 2002 application/pdfAgendaExit the TCEQ application/pdfSummaryExit the TCEQ

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