© 2016 by the authors; licensee MDPI, Basel, Switzerland. Des Moines Water Utility to File Nitrate Pollution Lawsuit. Aquatic ecosystems are affected by agricultural pollution; for example, eutrophication caused by the accumulation of nutrients in lakes and coastal waters impacts biodiversity and fisheries. ; Wang, Z.L. Co-ordinated environmental regulation: controlling non-point nitrate pollution while maintaining river flows. Fogg, G.E. This article is an open access publication Abstract The article presents analyses of long . This document analyzes the state of world food. Results indicate that nitrate contamination of the study area has an apparent spatial pattern. The Environmental Audit Committee (EAC) is launching an inquiry into water quality in rivers. Water samples were collected from a typical semi-arid river basin, the Weihe River watershed, China, in October 2014. Farming practices are adding harmful nitrates to Iowa's Raccoon River. Using nitrogen and oxygen isotopes to access sources and transformations of nitrogen in the Qinhe Basin, North China. Combined use of groundwater dating, chemical, and isotopic analyses to resolve the history and fate of nitrate contamination in two agricultural watersheds, Atlantic coastal plain, Maryland. Nitrate pollution of surface water has attracted global attention, and the issue is becoming increasingly significant in China. ; Pan, Z.Y. Excessive nutrients (nitrates) from fertilisers are flushed from the land into rivers by rainwater. Ming Wen and Guotao Zhang contributed to manuscript revision. 8600 Rockville Pike Farmers put fertilizers and pesticides on their crops so that they grow better. Nitrate Level, ppm (parts per million) Interpretation: 0 to 10: Safe for humans and livestock. A short summary of this paper. JavaScript appears to be disabled on this computer. Defra submitted evidence on average nitrate levels for surface waters (i.e. However, these nitrates can be toxic, especially when they enter the food chain via . Nitrates are one of the key nutrients involved in the pollution of rivers and streams and are the main pollutant in groundwater sources. It originates from the Niaoshu Mountain in Gansu province and flows across Shaanxi province with stream length of 818 km and drainage area of 1.35 × 10, At present, the Weihe River is facing a predicament of water source shortage and poor water quality [, Water samples were collected in the main stream and tributaries of the Weihe River in October 2014. Secure .gov websites use HTTPS Water samples were collected from a typical semi-arid river basin, the Weihe River . Ju, X.T. 20136101110001), the Postdoctoral Science Foundation of China (Grant No. Li, J.; Li, F.D. Official websites use .gov The city of Pittsburgh and surrounding area of southwestern Pennsylvania face complex water quality problems, due in large part to aging wastewater infrastructures that cannot handle sewer overflows and stormwater runoff, especially during ... ; Tilman, G.D.; Nekola, J.C. Eutrophication: Impacts of excess nutrient inputs on freshwater, marine, and terrestrial ecosystems. The urbanization process in the Silk Road region results in a more fragile physical environment, even renewable water resources cannot meet the growing demands [, Accordingly, in this paper, hydrochemical assessment and stable isotopic measurement (δ, The Weihe River, the largest tributary of the Yellow River, is located in a semi-arid area with a temperate continental monsoon climate. But these fertilizers and pesticides can be washed through the soil by rain, to end up in rivers. Epub 2016 Sep 6. N-application methods and precipitation pattern effects on subsurface drainage nitrate losses and crop yields. Determination of nitrate contamination sources using isotopic and chemical indicators in an agricultural region in China. permission provided that the original article is clearly cited. ; Howarth, R.W. ; Pu, X.; Liu, X.L. Li, S.L. [Review of dual stable isotope technique for nitrate source identification in surface- and groundwater in China]. Found inside – Page iThis book includes four sections identifying priority areas and offering recommendations to EPA and others regarding priority actions for Clean Water Act implementation across the Mississippi River basin. Bookshelf Excess nutrients, specifically phosphorus, from agricultural, urban and suburban runoff contributed to the growth of algal blooms in the lake. Annually, the Illinois River yields some 126,000 tons of nitrates to the Mississippi River, comprising roughly 12% of the total nitrate load that reaches the Gulf of Mexico from the entire Mississippi River Basin. The NRWQN and regional SoE monitoring show that diffuse pollution from land use is overwhelmingly the main cause of water quality degradation in New Zealand today. Isotopes (δ 15 N, δ 18 O) help unravel spatiotemporal . Nitrate behaviors and source apportionment in an aquatic system from a watershed with intensive agricultural activities. Construction of forest roads and timber harvesting led to sediment and nutrient pollution in Goat Creek, which made the creek unable to adequately support aquatic life. Readings in the river samples were as high as 34.8 milligrams per liter. ; Xing, M. Isotopic indicators of carbon and nitrogen cycles in river catchments during soil erosion in the arid Loess Plateau of China. It demonstrates the magnitude of Minnesota's nitrogen pollution problem - 306 million pounds per year flowing into our rivers and streams. ; Grismer, M.E. Find support for a specific problem in the support section of our website. ; Holland, K.L. Please let us know what you think of our products and services. Smith, V.H. ; Sharpley, A.N. This book offers four specific strategies that can serve as the basis for a national policy to protect soil and water quality while maintaining U.S. agricultural productivity and competitiveness. ; Yu, X.B. Environmental impacts of nitrate pollution Despite decades of regulation, nitrogen pollution remains one of the most challenging and costly environmental problems globally. The sources of nitrate include anthropogenic, regular use of chemical fertilizers, sewage and landfill To identify the pollution status, sources, and potential non-carcinogenic health risks of nitrate in China's river water, nitrate data from 71 major rivers from 30 provinces were systematically collected. The cycling of nitrogen through the environment is important since it is an important substance that is used by living organisms to make the biological molecules, amino acids, and nucleic acids. The Freshwater Society made this statement about the Minnesota Pollution Control Agency's report on nitrogen pollution of surface waters: The MPCA report is good work. Nitrate water pollution leads to excessive amounts of nitrates in water and has been linked to the loss of diverse macrophytes (Lambert & Davy, 2011). Considering that there are a wide range of agricultural areas along the coast of the river and fertilizers containing nitrate and ammonium nitrogen are washed into streams by rainfall, nitrate is also sourced from agricultural activities. Editor’s Choice articles are based on recommendations by the scientific editors of MDPI journals from around the world. Download Full PDF Package. ; Chen, X.P. We discuss multiple, indirect evidence of this mechanism in the Adda, Oglio, and Mincio rivers. Fertilizer is one of the main sources of nitrate pollution in the studied waters, which has a great impact on the water quality in the study area [, Generally, there are no apparent correlations between δ, In the study, 32.4% of water samples with nitrate contents that were higher than the MCL of 45 mg/L were chosen for nitrogen isotopic analyses. Nationwide, violations of state nitrate limits in drinking water doubled over a 10-year period. A nitrate limit was left out of last year's freshwater standards, in-line with industry demands, but was now being reassessed by the Ministry for the Environment, the environmentalists said in a joint press release. Concentrations of SO, The water samples with nitrate contents that were higher than the maximum contaminant level (MCL) of 45 mg/L were chosen for nitrogen isotopic analyses. Nitrate Trends in Minnesota Rivers Authors: Dave Wall and Dave Christopherson, Minnesota Pollution Control Agency (MPCA) Dave Lorenz and Gary Martin, U.S. Geological Survey(USGS) Statistical Analyses: Directed by Dave Lorenz and conducted by Dave Christopherson and ; Li, J.; Zhu, Z.Z. The δ. Found insideAlthough the main processes that affect the N cycle are well known, this book is focused on the causes and effects of disruption in the N cycle, specifically in India. ; Correll, D.L. 14NW01). Last year, a government report found nearly 60 per cent of the country's rivers carry pollution above acceptable levels, with 95 to 99 per cent of rivers in pastoral, urban and non-native forested . Evaluation of nitrate source in surface water of southwestern China based on stable isotopes. ; Van Breemen, N.; Howarth, R.W. This type of Xie H, Huang C, Li J, Zhang Y, Xu X, Liu D, Ouyang Z. Int J Environ Res Public Health. Manure and septic waste were the major source of nitrate in Central, East, and North China. Visit our dedicated information section to learn more about MDPI. Retention of nitrogen, phosphorus and silicon in a large semi-arid riverine lake system. Rivers and groundwater with nitrate concentration above . Chronic nitrate consumption is linked to thyroid disease and cancer. ; Wan, Y.; Gu, B. Editors select a small number of articles recently published in the journal that they believe will be particularly It is urgent to solve the problem of pollution and prevent the further pollution of China's river water. Clipboard, Search History, and several other advanced features are temporarily unavailable. They are predicted to worsen for some time to come.4 We also considered the related issue of air quality, particularly ammonia and nitrogen oxide emissions.5 These are related to nitrates, because ammonia and Nitrate is a common contaminant of surface water and groundwater and it can cause health problems in infants and animals as well as eutrophication of water bodies [1-7].The World Health Organization and the U.S. Environmental Protection Agency have established a maximum contaminant level for nitrate of 10 mg/L as NO 3--N in drinking water [8-10]. ; Guan, J.; Lang, Y.C. rivers and lakes) and groundwaters 2012-2015, showing the percentage of water bodies with different concentrations of nitrate per litre of water, ranging from less than 2 mg to greater than 50 mg per litre. Specifically, when dissolved oxygen in the rivers drops because of pollution, anaerobic bacteria mineralise organic matter to produce CO2 and methane while denitrifying bacteria converts nitrate . Nitrate contamination in waterways is cause for concern for everyone in Canterbury. Xing, M.; Liu, W.G. Feihe Kong assisted with performing the experiments. Stevenson, F.J. Nutrient pollution builds up in our nation's lakes, ponds, and streams. Found inside – Page iThe importance of this pathway has inspired efforts to understand in greater depth the mechanisms involved. This book presents and discusses the latest information on multiple aspects of denitrification. Environ Pollut. Lakes and rivers are common sources for drinking water supplies. Using δ. Fang, C.L. Nitrate Contamination. Kendall, C. Tracing nitrogen sources and cycling in catchments. Using nitrate isotope to trace the nitrogen pollution in Chanhe and Laohe River. Would you like email updates of new search results? Found insideThis book will be of interest to operators of wastewater treatment plants and sludge treatment and disposal facilities as well as to researchers and university students in the field of environmental engineering. ; Lu, G.Y. Zuo, D.P. ; Schindler, D.W.; Schlesinger, W.H. Farmers put fertilizers and pesticides on their crops so that they grow better. The Iowa Nutrient Reduction Strategy, a plan approved in 2013, seeks to reduce nitrates and phosphorus levels by 45 percent, looking at all sources of pollution. In the Po plain, northern Italy, rivers within agricultural basins display steep summer increases in nitrate (NO3−) concentrations. Algal blooms and rooted vegetation impaired recreational uses of New York's Oneida Lake, causing New York to add the lake to its Clean Water Act impaired waters list in 1998. The spatial distribution of nitrate concentrations in river water was analyzed, and the main nitrate pollution sources were revealed based on the presence of nitrogen and oxygen isotopes of nitrate. When river or stream currents are slow, or when waters are stagnant, nutrients, sediment, and particles accumulate, increasing the chances of harmful pollution and algal growth. Iowa is the largest corn producer in the U.S.—and the second largest producer of nitrate pollution in the Mississippi River Basin. ; Hu, J. Although the topic has been the focus of extensive research, little traction has been made toward effective strategies for nitrate reduction at the . World Bank Technical Paper No. 269. The MPCA released a report on nitrogen pollution in 2013, indicating that agricultural fields using artificial subsurface drainage (drain tile) are a key source of nitrogen pollution to lakes and streams. Macko, S. Pollution studies using stable isotopes. Aquatic nitrate pollution can result in _____. ; Xie, Y. Nitrate pollution in semi-arid regions was influenced by frequent and severe droughts and infrequent but vital floods. ; Liu, X.J. This is because they dissolve in water more readily than phosphates, which have an attraction for soil particles. Keywords: The report also showed that poor lake conditions related to nitrogen or phosphorus pollution doubled the likelihood of poor ecosystem health. burden of nitrate pollution in drinking water sources. Nitrate and nitrite occur as natural stages of the nitrogen cycle and are essential components of the molecular building blocks for plant life and growth. Phytodepuration of Nitrate Contaminated Water Using Four Different Tree Species. This book examines the build-up of nitrates in agriculture; concentrations in meat, vegetables and drinking water; health effects in humans; pollution of rivers and seas; and the contribution to the green house effect. Nitrate contents in the main stream were obviously greater than in the tributaries. Sustainable urban development in water-constrained Northwest China: A case study along the mid-section of Silk-Road—He-Xi corridor. We use cookies on our website to ensure you get the best experience. ; Caraco, N.F. ; Louie, D.T. Nitrates from land sources end up in rivers and streams more quickly than other nutrients like phosphorus. those of the individual authors and contributors and not of the publisher and the editor(s). ; et al. The capital city's water utility will vote at a March 10 board meeting to proceed with a Clean Water Act lawsuit. 14 Clearly, the Illinois River . Found insideThis time-saving book provides extensive coverage of all important aspects of nitrates in groundwater, ranging from prevention to problem assessment to remediation. Both algae and high nitrate levels cause problems in sources of drinking water. ; Li, J.; Liu, X.L. 2014KCT-27), and the Scientific Research Foundation of Northwest University (Grant No. Origin and distribution of nitrogen in soil. Not safe for infants because their digestive systems cannot . The source of excess nitrates can usually be traced to agricultural activities, human wastes, or industrial pollution. In Nandi South district, fertilizer application is carried out during rainy seasons in May and October; hence, surface runoff and leachate get into rivers passing through the tea plantations which could cause river eutrophication and nitrate pollution. ; Petrescu, A.R. ; Liu, C.Q. ; Zhou, M.P. Found insideScrupulously researched, Troubled Water is full of shocking stories about contaminated water found throughout the country and about the everyday heroes who have successfully forced changes in the quality and safety of our drinking water. EPA's 2010 National Lakes Assessment found that almost 20 percent of the 50,000 lakes surveyed had been impacted by nitrogen and . Yang, J.M. Papers are submitted upon individual invitation or recommendation by the scientific editors and undergo peer review Yan Zhang designed the experiments. To identify the pollution status, sources, and potential non-carcinogenic health risks of nitrate in China's river water, nitrate data from 71 major rivers from 30 provinces were systematically collected. The characteristic values of δ15N and δ18O of river water in China range from -23.5‰ to 26.99‰ and - 12.7‰ to 83.5‰, indicate many sources including inorganic fertilizer, soil nitrogen, wastewater or manure. In order to be human-readable, please install an RSS reader. ; Chang, J. Nitrate in groundwater of China: Sources and driving forces. 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