Source, Since 1950, irrigation has represented about 65 percent of total withdrawals, excluding those for thermoelectric power. Agriculture is by far the largest consumer of the Earth’s available freshwater: 70% of “blue water” withdrawals from watercourses and groundwater are for agricultural usage, three times more than 50 years ago. Agricultural water is used for irrigation, pesticide External and fertilizer applications External, crop cooling (for example, light irrigation), and frost control. ... and agricultural irrigation, navigation, and flood control. National Forests and Grasslands are the largest source of fresh water in the U.S. under a single manager, with about 20 percent originating from 193 million acres of land. Food and Agriculture Organization of the United Nations. Water. 80% of Washington water withdrawals are for agriculture (1.8 million irrigated acres). Federal government websites always use a .gov or .mil domain. To make matters even worse, over 68% of freshwater is frozen in icecaps and glaciers, over 31% is found in ground water, and only 0.3% is found in surface water1. Source, “Agriculture wastes 60% or 1,500 trillion liters, of the 2,500 trillion liters of water it uses each year.” 26 November, 2013 250-500 liters per cow per day, x 1.5 billion cows globally is 99 - 198.1 billion gallons. Up to 70 % of the water we take from rivers and groundwater goes into irrigation, about 10% is used in domestic applications and 20% in industry. Flow Meters and Environmental Sensors for Precision Fluid Measurement. According to the International Water Management Institute , agriculture, which accounts for about 70% of global water withdrawals, is constantly competing with domestic, industrial and environmental uses for a scarce water supply. Today, that number is more relevant than ever, as 18.8% of the lower 48 U.S. states are currently experiencing drought conditions . In attempts to fi… The map, Agricultural Water Use, can be used to help evaluate the demand for clean and plentiful water within a 12-digit HUC. Farms discharge large quantities of agrochemicals, organic matter, drug residues, sediments and saline drainage into water bodies. Flow Meters and Environmental Sensors for Precision Fluid Measurement. Agriculture is one of the largest users of the Nation’s surface water and groundwater, with irrigation being the greatest use. Currently, about 3600 km3of freshwater are withdrawn for human use. Source, “The Aral Sea, in Central Asia, has been almost completely emptied by irrigation.” (68,000 square kilometers to 17,000 square kilometers) Agriculture is the largest consumer of the world’s freshwater resources, and more than one-quarter of the energy used globally is expended on food production and supply. More than two-thirds of the groundwater consumed around the world irrigates agriculture, while the rest supplies drinking water to cities. Water is one of the most important natural resources flowing from forests. UN-Water, through its web site unwater.org (2011c), summarized how water is used worldwide: 70% of the world’s freshwater is used in agriculture, 22% by industry, and; 8% for domestic use. Source, 80% of Washington water withdrawals are for agriculture (1.8 million irrigated acres). In 2005, irrigation accounted for over 32 times more freshwater withdrawals than domestic use (128 billion gallons per day versus 4 billion gallons per day). However, the U.S. Department of Agriculture is building awareness about the fragility of this essential resource. Some 53.5 billion gallons of groundwater are used daily for agricultural irrigation from 407,923 wells.” Sustainability for All. By 2050, the global water demand of agriculture is estimated to increase by a further 19% due to irrigational needs. • Of the 1200 species listed as threatened or endangered, 50% depend on rivers and streams. Source, Surface water withdrawals for irrigation in the United States has decreased from 77 percent of the total in 1950 to 59 percent in 2005 (due to increased groundwater use). If you have an interesting farm water fact, please share it in the comments below. Source, “Withdrawals for irrigation increased by more than 68 percent from 1950 to 1980 (from 89,000 to 150,000 Mgal/d). Source, “In England where rain is abundant year round, water used for agriculture accounts for less than 1% of human usage.” Source, 43 percent of California farmland in 2010 used some form of gravity irrigation such as flood irrigation rather than more efficient methods like drip irrigation. Source, India uses 90% of its freshwater withdrawals for agriculture while China uses 65% of its freshwater withdrawals for agriculture. Agriculture is the largest consumer of freshwater; Demographics and consumption are the main pressure on water; About 80% of global virtual water flows relate to agricultural products trade; Irrigated agriculture represents 20% of cultivated land and accounts for 40% of global food production Source, “More than 90 percent of the groundwater pumped from the Ogallala, the nation’s largest aquifer underlying some 250,000 square miles stretching from Texas to South Dakota, is used for agricultural irrigation. Overuse of water by agriculture can lead to less availability for other uses. Source, “In India, approximately one-fifth of the nation’s total electricity consumption goes toward pumping groundwater for irrigation.” Mechanical & Magnetic Flow Meters for Municipal Water Systems, TASI Flow’s Vögtlin Supports Ventilator Development, 4 Keys for Selecting an Irrigation Flow Meter, Remote Level Monitoring with the PT2X at Clinton Gulch Reservoir, Harbour Group’s ONICON Acquires Pulsar Process Measurement Ltd, Introducing the AG90 Battery Powered Insertion Magmeter. Source, Over 400,000 acres in California, about 6 percent of cropland, was left unused because of the drought in 2014. Source, More than 90 percent of the groundwater pumped from the Ogallala, the nation’s largest aquifer underlying some 250,000 square miles stretching from Texas to South Dakota, is used for agricultural irrigation. Agricultural operations can also negatively affect water quality. Withdrawals have decreased since 1980 and have stabilized at between 134,000 and 137,000 Mgal/d between 1985 and 2000, and 128,000 in 2005.” It's World Water Day: 5 Shocking Facts About Water Scarcity That Will Make You Cry a River. Fresh water is so abundant in the United States that people may sometimes take its availability for granted. In 2005, irrigation accounted for over 32 times more freshwater withdrawals than domestic use (128 billion gallons per day versus 4 billion gallons per day). In the face of a rapidly rising population and agriculture’s high demand, the nation is working to ensure future supplies of water are safe and abundant. International Business Times. If the average sized lawn in the United States is watered for 20 minutes every day for 7 days, it’s like running the shower constantly for 4 days or taking more than 800 showers. • On a global average, most freshwater withdrawls—69%—are used for agriculture, while industry accounts for 23% and municipal use (drinking water, bathing and cleaning, and watering plants and grass) just 8%. Fast Facts About Agriculture & Food 2 million farms dot America’s rural landscape. Effect on Aquatic Life. Source, “Globally, roughly 15-35% of irrigation withdrawals are estimated to be unsustainable.” Representing about one-third of all U.S. irrigated agriculture, it creates about $20 billion annually in food and fiber.” Here are 16 interesting facts about water use by America’s farms. A majority of the Earth’s surface is covered in water, with approximately 70% of the Earth comprised of water. This means that crop and livestock production absorbed the bulk of the uses of water… Without water people do not have a means of watering their crops and, therefore, to provide food for the fast growing population. Food and agriculture are the largest consumers of water, requiring one hundred times more than we use for personal needs. In agriculture, water must be of suitable quality to irrigate crops or provide drinking water for livestock. Agriculture, in fact, represents the largest user of water worldwide, nearly 70 percent according to the United Nation's 2018 Water Development Report. It was a fig. According to the United States Geological Survey (USGS), water used for irrigation accounts for nearly 65 percent of the world’s freshwater withdrawals excluding thermoelectric power (1) . Source, More than 90% of pasture and cropland in the 256,000-square-mile Colorado River Basin requires irrigation. That's equivalent to the amount of water needed for the average family to take 1 year's worth of showers. “Irrigation accounts for the largest use of groundwater in the United States. This means more than 99% of the Earth’s water is unusable by most living organisms! Source. Source, “While only 20% of the world’s farmland is irrigated, it produces 40% of our food supply.” Source, Using today’s irrigation methods, 2,000 more cubic kilometers of water will be needed per year in 2030 to keep everyone fed.
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