Browsing by Author "Wagner, Kevin"
Now showing items 1-20 of 25
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Jonescu, Brian; Gregory, Lucas; Berthold, Allen; Wagner, Kevin (Texas Water Resources Institute, 2015-10)This project was initiated to provide updated water quality data for Arenosa Creek in order to determine the persistence of the bacterial impairment of the watershed, while also informing decision makers on potential ...
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Clary, Calvin Russell (2013-12-10)Best management practices (BMPs) aim to reduce bacterial loading caused by grazing cattle. Relatively little is known about the effectiveness of alternative shade, alternative water, rip-rap, and prescribed grazing as ...
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Gregory, Lucas; Karthikeyan, R.; Gentry, Terry; Harmel, Daren; Wagner, Kevin; Lopez, Roel (Texas Water Resources Institute, 2015-11)Bacteria water quality impairments are the most common water quality issue in Texas and are a considerable source of impairments nationally. Fecal indicator bacteria such as Escherichia coli (E. coli) and enterococci derived ...
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Wagner, Kevin; Redmon, Larry; Gentry, Terry (Texas Water Resources Institute, 2010-12)According to the 2008 Water Quality Inventory and 303(d) List, 291 of the 516 impairments (i.e. 56%) were the result of excessive bacteria. Modeling and bacteria source tracking has identified grazing cattle as a source ...
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Jones, C. Allan; Wagner, Kevin; Di Giovanni, George; Hauck, Larry; Mott, Joanna; Rifai, Hanadi; Srinivasan, Raghavan; Ward, George; Wythe, Kathy (Texas Water Resources Institute, 2009-01)In September 2006, the Texas Commission on Environmental Quality (TCEQ) and Texas State Soil and Water Conservation Board (TSSWCB) charged a seven-person Bacteria Total Maximum Daily Load (TMDL) Task Force with: * ...
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Cathey, James; Alldredge, Blake; Kalisek, Danielle; Wagner, Kevin; Lopez, Roel (Texas Water Resources Institute, 2014-09)Through the Building Partnerships for Cooperative Conservation in the Trinity River Basin project, funded by U.S. Environmental Protection Agency (EPA) with Clean Water Act (CWA) §319(h) funds through the Texas State ...
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Gregory, Lucas; Jonescu, Brian; Murray, Jason; Schulz, Cassian; Gitter, Anna; Wagner, Kevin (Texas Water Resources Institute, 2016-02)The “Carters Creek Total Maximum Daily Load Implementation” project was developed to provide additional information to watershed stakeholders regarding the spatial and temporal distribution of E. coli concentrations in ...
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Jonescu, Brian; Gregory, Lucas; Gitter, Anna; Wagner, Kevin (Texas Water Resources Institute, 2016-01)The Carters Creek watershed is a tributary of the Navasota River and covers an area of about 56.9 square miles in Brazos County. Approximately 57% of this area is urbanized (Figure 1), primarily by the cities of Bryan and ...
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Gutierrez, Victor; Wagner, Kevin; Berthold, Allen (Texas Water Resources Institute, 2016-07)The focus of Texas State Soil and Water Conservation Board (TSSWCB) Project 15-53, “Delivering Education Programs Focused on Stakeholder Needs to Address Agricultural NPS in the Arroyo Colorado Watershed,” was to continue ...
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Rafi, Khurram (2015-05-06)This study examines the relationship of E. coli concentrations and recreational use to both stream order and watershed size. To determine possible ecoregion effects, the E. coli data used in this study were obtained from ...
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Wagner, Kevin; Moench, Emily (Texas Water Resources Institute, 2009)The Education Program for Improved Water Quality in Copano Bay is funded through a Clean Water Act §319(h) Nonpoint Source Grant from the Texas State Soil and Water Conservation Board (TSSWCB) and the U.S. Environmental ...
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Lazar, Katelyn Renee (2016-08-02)As climate change progresses, carbon sequestration is becoming an increasingly important strategy for long term carbon storage in soil. Adding to and preserving this carbon storage is crucial for the development of future ...
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Di Giovanni, George; Wagner, Kevin; Lee, Leslie (Texas Water Resources Institute, 2015-04)There are 273 bacterially impaired water bodies in Texas. Identifying and assessing sources of these bacteria — E. coli, Enterococcus, fecal coliforms — is critical to properly determining risk to water recreation, developing ...
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Porter, Dana; Wagner, Kevin; Gutierrez, Victor (Texas Water Resources Institute, 2016)Goal • Equip irrigation managers and technical support personnel with information and resources to support improved irrigation management and water conservation. Objectives 1. Provide participants with core knowledge ...
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Wagner, Kevin (2012-10-19)Excessive bacterial levels are a major water quality concern. Better methods are needed to quantify the proportion of bacterial loading contributed by various sources, and best management practices are needed to restore ...
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Peterson, Jennifer (2014-05-28)The management of agricultural nonpoint source pollution is complex due to the diffuse nature of the various sources. As a result, rather than relying on direct regulation, natural resource agencies generally utilize a ...
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Mukhtar, Saqib; Wagner, Kevin; Gregory, Lucas (Texas Water Resources Institute, 2009-01)Two upper North Bosque River segments were designated as impaired in 1998 due to point source and nonpoint source (NPS) pollution of phosphorus (P) to these segments in the watershed. As a result, two Total Maximum Daily ...
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Mukhtar, Saqib; Wagner, Kevin; Gregory, Lucas (Texas Water Resources Institute, 2009-01)Two upper North Bosque River segments were designated as impaired in 1998 due to point source and nonpoint source (NPS) pollution of phosphorus (P) to these segments in the watershed. As a result, two Total Maximum Daily ...
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Dewald, Stacey (2016-12-02)This study assessed Texas landowners’ preferred communication channels and barriers to and motivation for water quality best management practice adoption. Data was collected from 275 landowners in the Little River watershed ...
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Hein, Kirstin Helena (2015-08-13)Nitrogen, phosphorous and carbon are naturally occurring nutrients that are essential for all organic life. However, the water quality of many water bodies is negatively affected by high concentrations of these nutrients. ...