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326 - 350 of 485 Items << < 9 10 11 12 13 14 15 16 17 18 > >>
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This fact sheet was produced by TWRI Communications Manager Ric Jensen under a grant provided by the Texas On-Site Wastewater Treatment Research Council. The fact sheet describes resources available to communities, and to a lesser extent...
2020-12-08
2020-12-08 2024-05-19 |
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Federal law requires all animal feeding operations to manage manures and wastewater by-products in a manner that is protective of waters of the U.S. As a result, the Texas State Soil and Water Conservation Board (TSSWCB) encourages animal feeding...
2014-12-22
2014-12-22 2024-05-19 |
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This report presents the results for Subtask 1.7 of the Pecos River Basin Assessment
project sponsored by the U.S. Environmental Protection Agency (EPA) and the Texas
State Soil and Water Conservation Board (TSSWCB). The original objective of...
2009-11-06
2009-11-06 2008-07-01 |
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2013-12-04
2013-12-04 2024-05-19 |
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Groundwater is and will continue to be a major source of water for Texans. However, in many parts of the state, more groundwater is being used that is being replenished through natural means. If this practice continues, Texans water costs will...
2020-12-10
2020-12-10 2024-05-19 |
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Irrigation is critical to our food production and food security and is a vital component of Texas’ productive
agricultural economy. Texas ranks third in the United States in both agricultural acres irrigated and irrigation
water applied....
2020-10-30
2020-10-30 2012-09-12 |
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Drainage ditches are widely used for agricultural water management to help remove excess water from fields, which mitigates the effects of water logging and salinization. These ditches act as a direct hydraulic link between the agricultural field...
2013-06-17
2013-06-17 2012-05-01 |
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A hydrometeorological model is presented that utilizes 30-day meteorological forecasts of temperature and precipitation issued every 15 days by the National Weather service to provide an estimate of the future hydrometeorological conditions of a...
2011-07-01
2011-07-01 1973-06-01 |
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Water is used for various purposes, whether it is for drinking, swimming, fishing, irrigating or any other reason. To meet the needs of all these uses, the state is required by Section 303(d) of the Clean Water Act to set standards and put forth...
2020-09-02
2020-09-02 2012-06-12 |
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2013-12-02
2013-12-02 2024-05-19 |
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As a part of the irrigation district plans, economists with Texas AgriLife Research and the Texas AgriLife Extension Service (through the Rio Grande Basin Initiative), developed and applied a spreadsheet model RGIDECON© (Rio Grande Irrigation...
2013-09-23
2013-09-23 2013-03-01 |
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Water is a key resource of concern to residents and decision makers in the State of Texas and in many other parts of the United States. Careful planning for its use is of utmost importance for the State and the Nation. Such planning requires...
2007-11-30
2007-11-30 1988-02-01 |
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2020-12-15
2020-12-15 2024-05-19 |
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2013-12-03
2013-12-03 2024-05-19 |
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There are 6.4 million irrigated acres in Texas with 80 percent irrigated from ground water and 20 percent irrigated from surface sources. This is compared to 8.6 million acres irrigated in 1979, a dramatic reduction. Total acre feet of water...
2007-11-30
2007-11-30 1993-11-01 |
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This report is the result of a growing concern about the rate at which development of the water resources of Texas is outstripping biological and ecological knowledge of the aquatic environments concerned.
Most Texas streams are already much...
2011-06-30
2011-06-30 1966-11-01 |
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Red Bluff is the main reservoir of the Pecos River in Texas, and its maximum storage capacity adjusted to sediment accumulation is estimated at 357 million m3 (289,600 acre-ft.).
Aside from the shortage of water entering the reservoir, high...
2007-11-13
2007-11-13 2007-01-01 |
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Large floodplain rivers are spatially heterogeneous and temporally dynamic ecosystems. However, few studies have quantified the variation or species-environment relationships of fish assemblages in the main-channel of large rivers. Fishes were...
2007-11-20
2007-11-20 2003-12-01 |
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Images of groundwater recharge and irrigation pumps and pipes
2024-05-19
2007-01-02 2007-01-02 |
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This report, prepared in cooperation with El Paso Water Utilities, presents the results of an investigation to determine the chemistry and age of ground water on the southwestern side of the Hueco Bolson. The radioactive isotope carbon-14...
2024-05-19
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Nitrogen in groundwater, more specifically nitrate, is common in certain areas and is often associated with agricultural production or urban areas underlain by coarse soils. While the presence of nitrates in groundwater is not debated, the...
2014-12-22
2014-12-22 2024-05-19 |
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2013-11-26
2013-11-26 2024-05-19 |
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The CRITERIA model was created in the 1990s in Italy, and is based on the soil water balance computation procedures developed at the Wageningen University in the Netherlands in the 1980s. CRITERIA has been used as an analysis and regional water...
2013-06-11
2013-06-11 2024-05-19 |
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2011-07-07
2011-07-07 2006-10-01 |
