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Sediment Projects

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Bacteria Growth, Persistence, and Source Assessment in Rural Texas Landscapes and Streams

Project Goals and Objectives: Building upon results from TSSWCB Project 07-06 and further focusing on addressing informational needs identified in the “Bacteria TMDL Task Force Report,” this project will focus on two primary tasks: 1) evaluating the predominant water quality parameters affecting instream bacterial fate and 2) evaluating and quantifying contributing E. coli loading to designated LU/LC types. These specific tasks were selected as those that will provide the most valuable information to watershed managers and practitioners who are faced with accurately predicting and planning to manage E. coli loading in Texas Watersheds. This will be supported by education and outreach efforts that deliver project results to personnel at local, regional, state and national levels.

Creekside Conservation Program

Valuable soil from thousands of acres is washed into tributaries and lakes every year.  Gullies and bare rock now exist where once rich topsoil and healthy plants occurred.  As farmers and ranchers lose topsoil to erosion, land productivity decreases.  Waterways also suffer from sedimentation and nonpoint source (NPS) pollution.  This sediment can build up to create flood management problems, threaten aquatic habitats, impair water quality, and reduce groundwater recharge.

Ellis-Prairie SWCD Water Quality Project

This project will address sediment, nutrient, and pesticide runoff in the four main public surface water supplies in the Richland and Chambers Creeks Watershed (Bardwell Reservoir, Richland Chambers Reservoir, Lake Navarro Mills, and Lake Waxahachie).

Fate and Transport of E. coli in Rural Texas Landscapes and Streams

Project Goals/Objectives: The main objectives of this proposal are to identify, characterize, and quantify E. coli loads resulting from various sources in an impaired watershed, monitor survival, growth, re-growth, and die-off of E. coli under different environmental conditions, monitor re-suspension of E. coli in streams, and educate stakeholders by disseminating qualitative and quantitative information acquired in this monitoring and demonstration project.

Identify and Characterize NPS Bacteria Pollution to Support Implementation of Bacteria TMDLs in the Oso Bay Watershed

Project Goals/Objectives: To provide information on nonpoint sources of Enterococci in the upstream portions of Oso Creek to support development of the TMDL and targeting of implementation activities.

Lake Granger Watershed Assessment and Implementation Project

Project Goals/Objectives: Facilitate the development of a watershed protection plan for the Lake Granger Watershed; install best management practices for the purpose of reducing erosion within the watershed; reduce sediment loadings by 20-30% (based on RUSLE calculations or other applicable means); reduce TSS concentration in the reservoir by 30%, reduce nutrient loadings from agricultural lands and monitor for results.

LCRA Soil and Water Stewardship Program

The problem of soil erosion on farms, ranches and rangeland in the lower Colorado River basin can be attributed to overgrazing, a lack of vegetative, or riparian, buffers along creeks and other waterways, and the spread of invasive brush species that choke out native vegetation. As a result, thousands of acres of valuable soil wash into the waterways of the lower Colorado River basin every year. The result is build-up of sediment, which can harm water quality, worsen flooding and threaten aquatic habitats.

Maintaining Sediment Prevention Through Repair of Floodwater Retarding Structures in McCulloch County

Project Goals/Objectives: To provide coordinated assessment between the TSSWCB, the McCulloch Soil and Water Conservation District (SWCD), and Natural Resource Conservation Service (NRCS), with respect to implementation, and restoration of water quality in the Brady Creek and Deep Creek Watersheds located within

WQMP Implementation Assistance in the Falcon Reservoir Drainage Area in Zapata County

Project Goals/Objectives: Foster coordinated technical assistance activities in the Falcon Reservoir Drainage Area in Zapata County; Conduct an inventory and map land uses and current management practices within the targeted watershed; Provide technical and/or financial assistance to landowners to aid in the development and implementation of Water Quality Management Plans (WQMPs); Compile information on the location and types of Best Management Practices for each WQMP implemented; Measure water quality improvement in impaired water bodies.