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Atrazine Projects

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Atrazine Remediation in the Lake Lavon Watershed of Collin County

Project Work Plan: 01-04 (PDF, 36 kB)

Final Report: 01-04 (PDF, ## kB)

Atrazine Remediation in the Lake Lavon Watershed of Fannin County

Project Workplan: 01-06 (PDF, 36.1 kB)

Final Report: 01-06 (PDF, ## kB)

Atrazine Remediation in the Lake Lavon Watershed of Grayson County

Project Workplan: 01-07 (PDF, 36 kB)

Final Report: 01-07 (PDF, ## kB)

BMPs to Reduce Nitrate Impacts in Ground Water and to Assess Atrazine and Arsenic Occurrences in Private Water Wells

Project Goals/Objectives: Demonstrate the effectiveness of winter cover crops in removing nitrate-nitrogen from the soil profile to minimize nitrate leaching; Demonstrate the ability of zeolite to reduce atrazine and arsenic concentrations in water; Assess the extent of atrazine and arsenic detections in private groundwater in the Seymour and Ogallala Aquifers.

Project Location: The Texas High Plains (Ogallala Aquifer) and Texas Rolling Plains (Seymour Aquifer)

Implementation Support Project in the Richland-Chambers Reservoir Watershed

Richland Chambers Reservoir was listed on the 1999 State of Texas 303(d) List as threatened due to excessive atrazine. In November 2000 the Texas State Soil and Water Conservation Board (TSSWCB) initiated a CWA Section 319(h) project with the Navarro Soil and Water Conservation District (SWCD) to provide technical and financial assistance for the purpose of developing and implementing WQMPs to reduce atrazine runoff into the Richland Chambers Reservoir.

Little River Atrazine Remediation Project (Central Texas SWCD)

Project Goals/Objectives: This project will provide corn and sorghum producers in the Little River watershed with an opportunity to participate in water quality educational activities, technical assistance, and financial assistance for the implementation of Best Management Practices (BMPs), in order to reduce the runoff of atrazine. The main goal of this project is to maintain the drinking water quality of these waterbodies and allow them to be removed from the State of Texas §303(d) List of Impaired Waters.

Reducing Atrazine Losses in Central Texas

Project Goals/Objectives: Demonstrate the effects of alternative tillage practices and atrazine application practices on protecting water quality by reducing atrazine losses; Develop educational materials and present the demonstration results at agricultural meetings, field days, and conferences; Validate the CroPMan simulation model with measured atrazine losses to facilitate simulating long-term losses of atrazine and the probabilities of meeting EPA standard for safe drinking water; Analyze the economic costs, profits, and the cost effectiveness of alternative tillage me