Summaries and Handouts from NCDAWG Meetings

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	Agenda	Meeting Minutes	TCEQ Nutrient Criteria Development Plan Update   Federal Updates on Numeric Nutrient Criteria Development Evaluation of Laboratory Methods to Quantify Chlorophyll a: Phase 1  Proceeding with Reservoirs with Disapproved Chlorophyll a Criteria  Periphyton Phase 2
July 27, 2015	Agenda	—	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	Agenda	Meeting Minutes	List of Attendees 2014 Nutrient Criteria Development Plan  Characterization of Lake Somerville  Pre-Meeting Survey Results
November 7, 2012	Agenda	Meeting Minutes	List of Attendees  Status Update on EPA Approval of 2010 WQS and Summary of Revisions to TCEQ Nutrient Criteria Development Plan Characterization of Lake Somerville  Data Collection Methods for Nutrients in Texas Streams Development of Land Use/Land Cover Data for Nutrient Criteria Development Getting Started with Nutrient Criteria Evaluating Stressor Response Relationships Regional Red River Project Update Nutrient Dynamics in the Mission Aransas National Estuarine Research Reserve
June 20, 2011	—	Meeting Minutes	List of Attendees Overview of Water Quality Criteria for Nutrients Selected Nutrient Projects and Related Projects in Texas Nutrient Criteria Development Advisory Workgroup Nutrient Criteria Standards: How Do We Use the Data and What Data Do We Need to Establish Future Criteria
September 26, 2005	Agenda	Summary	Meeting Invitation Letter from Mark Fisher 0% to 10% Criteria  0% to 10% TP Criteria More Than 20% Criteria  Reservoirs Five Year Analysis  Season vs All Year Criteria  Least Impacted Reservoir Screening Method Nutrient Criteria Updated September 26, 2005 Reservoirs Chlorophyll-a Criteria Seasonal Difference in Reservoirs
July 12, 2005	Agenda	Summary	Dissolved Oxygen Dynamics, Nutrients and... Central Texas Nutrient Sites and Wadeable... Investigation to Support the Development of... Nutrient Criteria for the Texas Surface Water...
April 13, 2005	Agenda	Summary	Development of Use-based Chlorophyll Criteria Improving the Quality of Fishing Establishing Reservoir Nutrient Criteria for Texas Approach for Establishing Reservoir Nutrient Criteria Draft Reservoir Criteria with Means and Medians 12/20/04 Draft Nutrient Criteria Development Plan NCDAWG Focus Question 1 Reservoir Land Use Urban and Agriculture
January 26, 2004	Agenda	Summary	Nutrient Criteria in the Trinity River Basin Characteristics of Texas Reservoirs Database Summer Lake Statistics Database 01/04 Texas Nutrient Criteria Database Nutrients in Texas Reservoirs TWCA Case Study Designated Lakes and Ecoregions Map Nutrient Criteria Investigation Preliminary Report
February 24, 2003	—	Summary	A Possible Method to Develop Nutrient Criteria
May 20, 2002	Agenda	Summary	—

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