{"id":31637,"date":"2019-05-24T09:44:52","date_gmt":"2019-05-24T13:44:52","guid":{"rendered":"https:\/\/www.fondriest.com\/news\/?p=31637"},"modified":"2019-05-24T09:44:52","modified_gmt":"2019-05-24T13:44:52","slug":"investigating-pollution-tainted-groundwater-in-buffalo-river-watershed","status":"publish","type":"post","link":"https:\/\/www.fondriest.com\/news\/investigating-pollution-tainted-groundwater-in-buffalo-river-watershed.htm","title":{"rendered":"Investigating Pollution, Tainted Groundwater in Buffalo River Watershed"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">The Buffalo River winds through Northern Arkansas for 150 miles; 135 of which are contained within the Buffalo National River under the care of the <\/span><a href=\"https:\/\/www.nps.gov\/index.htm\"><span style=\"font-weight: 400;\">National Park Service (NPS)<\/span><\/a><span style=\"font-weight: 400;\">. The iconic river is culturally important to the state and region, and that&#8217;s part of the reason why <\/span><a href=\"https:\/\/www.usgs.gov\/\"><span style=\"font-weight: 400;\">United States Geological Survey (USGS)<\/span><\/a><span style=\"font-weight: 400;\"> scientists are working hard to determine why 70 miles of the river had algae in it last year.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Aquatic biologist <\/span><a href=\"https:\/\/www.usgs.gov\/staff-profiles\/billy-g-justus?qt-staff_profile_science_products=0#qt-staff_profile_science_products\"><span style=\"font-weight: 400;\">Billy G. Justus<\/span><\/a><span style=\"font-weight: 400;\">, of the <\/span><a href=\"https:\/\/www.usgs.gov\/centers\/lmg-water\"><span style=\"font-weight: 400;\">Lower Mississippi-Gulf Water Science Center<\/span><\/a><span style=\"font-weight: 400;\"> (LMG WSC), spoke to <\/span><i><span style=\"font-weight: 400;\">EM<\/span><\/i><span style=\"font-weight: 400;\"> about the studies on the river and the algal issues.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cWe are officially the USGS Lower Mississippi-Gulf Water Science Center,\u201d explains Mr. Justus. \u201cThe LMG WSC consists of five states: Arkansas, Louisiana, Mississippi, Alabama, and Tennessee. Collectively we conduct all forms of water investigations, such as surface- and groundwater quantity and quality studies within the region. In my role as a biologist, I research how biological assemblages are affected by water quality and water quantity.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cTo some extent, all three studies that USGS is currently conducting in the Buffalo watershed investigate nutrient sources and pathways,\u201d details Mr. Justus. \u201cPotential nutrient sources likely include a combination of human sources from recreational use, pets, septic tanks, livestock, and fertilizers. By pathways, we mean how the nutrients reach the river from a given source\u2014through surface water such as tributaries or groundwater as in springs or subsurface flow.\u201d<\/span><\/p>\n<div id=\"attachment_31650\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-31650\" class=\"size-large wp-image-31650\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2019\/05\/Buffalo_river_sampling_merged-600x191.jpg\" alt=\"Buffalo River\" width=\"600\" height=\"191\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2019\/05\/Buffalo_river_sampling_merged-600x191.jpg 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2019\/05\/Buffalo_river_sampling_merged-300x96.jpg 300w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2019\/05\/Buffalo_river_sampling_merged-768x245.jpg 768w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2019\/05\/Buffalo_river_sampling_merged.jpg 940w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-31650\" class=\"wp-caption-text\"><span style=\"color: #808080;\">(left) Buffalo River. (Credit: Via source) (middle) Working on the boat. (Credit: Lucas Driver, USGS, Shawn Hodges, NPS) (right) Wading in the river to sample. (Credit: Lucas Driver, USGS, Shawn Hodges, NPS)<\/span><\/p><\/div>\n<p><span style=\"font-weight: 400;\">Currently, the team has three studies on the Buffalo or its tributaries: the Big Creek study, the filamentous algae (FA) study, and the Mill Creek microbial source tracking study. However, the USGS has collected data from the Buffalo as part of larger studies such as the National Water Quality Assessment Program for a number of years.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The Big Creek study was the first of the three studies to start and sampling began in May 2017. This study is designed to determine how nutrient water quality and biological conditions compare in sections of the Buffalo River that are upstream and downstream of Big Creek. In 2013, a confined feeding operation began producing swine in the Big Creek watershed. As for the two remaining studies, a history of high nutrients and bacteria prompted the Mill Creek study which began in March 2018, and the increased occurrence of nuisance algae prompted the filamentous algae, which began in June 2018.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The USGS is not taking on these issues alone, however. Collaborations with the National Park Service (NPS), the Arkansas Department of Environmental Quality (ADEQ), and the Arkansas Game and Fish Commission have led up to the three studies.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Solving a mystery<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">As part of the Big Creek study, USGS and NPS conducted nutrient water-quality sampling approximately monthly at two sites upstream, three sites downstream, and a site on Big Creek from May 2017 through February 2019. Samples of periphyton, algae that grow on the stream bottom, have been collected at the six sites quarterly. Nitrogen and phosphorus constituent concentrations at the five Buffalo River sites upstream and downstream of Big Creek have not been statistically different. USGS is yet to receive periphyton results, but that part of the analysis is anticipated to begin in the near future.<\/span><\/p>\n<div id=\"attachment_31645\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-31645\" class=\"size-large wp-image-31645\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2019\/05\/Buffalo_River_The-teams-view-from-the-canoe-600x450.jpg\" alt=\"Buffalo River\" width=\"600\" height=\"450\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2019\/05\/Buffalo_River_The-teams-view-from-the-canoe-600x450.jpg 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2019\/05\/Buffalo_River_The-teams-view-from-the-canoe-300x225.jpg 300w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2019\/05\/Buffalo_River_The-teams-view-from-the-canoe-768x576.jpg 768w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2019\/05\/Buffalo_River_The-teams-view-from-the-canoe.jpg 940w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-31645\" class=\"wp-caption-text\"><span style=\"color: #808080;\">From the river\u2019s shore. (Credit: Lucas Driver, USGS, Shawn Hodges, NPS, via source)<\/span><\/p><\/div>\n<p><span style=\"font-weight: 400;\">Preliminary results for the Mill Creek study suggest that bacteria in Mill Creek, which feeds the Buffalo, likely come from multiple manure or waste sources.<\/span><span style=\"font-weight: 400;\">\u00a0 \u00a0 \u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cObviously, there are many different species of animals in that location, but because Mill Creek has a small watershed, we focused the analyses on what we considered to be the most prominent and likely sources of (animal) waste\u2014cattle, poultry, and humans,\u201d remarks Mr. Justus. \u201cIn the case of humans, problems associated with sewage treatment related to broken or lacking infrastructure had been previously documented.<\/span><span style=\"font-weight: 400;\">\u00a0 \u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For the third study, USGS, with help from partner agencies, has been studying why filamentous algae seems to be increasing in the Buffalo River. Nutrient sampling is being conducted at 25 sites that include springs, shallow wells, and sites on the mainstem Buffalo River. Sampling for the FA project which began in June of 2018 is now scheduled into at least 2020. The USGS anticipates that it may take five to six years to determine what variables are responsible for the increases in FA.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The springs that feed into the Buffalo seem to be sources of high nitrogen and lower amounts of phosphorus. Gravel bars in the river also seem to be sources of high phosphorus and are often associated with high occurrences of FA.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cGoing forward, we have to determine how nutrients in the river and gravel bars change between fall and winter during times of low human-river use, and spring and summer during times of high human-river use,\u201d Mr. Justus says. \u201cWe must also determine how nutrient concentrations in the river and within the gravel bars change following storm events. Once pathways are determined, we could use microbial source tracking to tease out the animal and human nutrient contributions.\u201d \u00a0\u00a0\u00a0<\/span><\/p>\n<div id=\"attachment_31649\" style=\"width: 545px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-31649\" class=\"size-large wp-image-31649\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2019\/05\/Buffalo_River_merged_FA-535x1024.jpg\" alt=\"Buffalo River\" width=\"535\" height=\"1024\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2019\/05\/Buffalo_River_merged_FA-535x1024.jpg 535w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2019\/05\/Buffalo_River_merged_FA-157x300.jpg 157w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2019\/05\/Buffalo_River_merged_FA-768x1469.jpg 768w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2019\/05\/Buffalo_River_merged_FA-803x1536.jpg 803w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2019\/05\/Buffalo_River_merged_FA.jpg 940w\" sizes=\"auto, (max-width: 535px) 100vw, 535px\" \/><p id=\"caption-attachment-31649\" class=\"wp-caption-text\"><span style=\"color: #808080;\">(top) Patches of FA float on the water. (Credit: Lucas Driver, USGS, Shawn Hodges, NPS) (middle) Filamentous algae, underwater. (Credit: Jeff Quinn, Arkansas Game and Fish Commission, Stream and River Fisheries Biologist) (bottom) Surveying on the river. (Credit: Via source)<\/span><\/p><\/div>\n<p><span style=\"font-weight: 400;\">To get these results, the team will need to capture seasonal variability in water quality, collect stormflow\/flood samples, and conduct dye tracing over two to three years. Depending on what the sampling revealed, any potential MST study would require one or more additional years, with additional time for formal data analysis, interpretation, and report writing.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Mr. Justus points out that, at the densities that have been documented on the Buffalo in recent years, FA can be viewed as a symptom of suboptimal nutrient-water-quality conditions, in a human context much like a fever.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cUnfortunately, it could be a sign of the onset of a chronic decline,\u201d states Mr. Justus. \u201cThe data we have collected suggest there are likely multiple nutrient sources, livestock and human sources, for example, and it also seems that, in this Karst environment, groundwater pathways may be equally important, if not more important than, surface water pathways.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Although USGS conducts a large range of studies, few people are aware of what the agency does, or of its history.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cUSGS was established in 1879, and conducts science investigations for and with many federal, state, and local government agencies as well as non-government partners,\u201d said Mr. Justus. \u201cThe USGS provides scientific information on a variety of topics including water, energy, minerals, ecosystems, biology and natural hazards. When it comes to water, we monitor and study streamflow, groundwater, water quality, and water use and availability. Basically, we provide the science that helps decision makers effectively manage the Nation\u2019s water resources.\u201d<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>USGS scientists are working to find out why filamentous algae is plaguing the Buffalo River, and how to stop it.<\/p>\n","protected":false},"author":31,"featured_media":31643,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,8,49,510],"tags":[1692,1011,1689,1688,60,1691,1690,1693,401,109,669,1694,73],"class_list":["post-31637","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-featured-articles","category-newsfeed","category-rivers-streams","category-water-quality","tag-arkansas-department-of-environmental-quality","tag-arkansas-game-and-fish-commission","tag-billy-g-justus","tag-buffalo-river","tag-featured","tag-filamentous-algae","tag-lower-mississippi-gulf-water-science-center","tag-mill-creek","tag-national-park-service","tag-news-ticker","tag-nutrients","tag-periphyton","tag-usgs"],"remote_post_permalink":false,"remote_post_featured_image":false,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Investigating Pollution, Tainted Groundwater in Buffalo River Watershed<\/title>\n<meta name=\"description\" content=\"USGS scientists are working to find out why filamentous algae is plaguing the Buffalo River, and how to stop it.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fondriest.com\/news\/investigating-pollution-tainted-groundwater-in-buffalo-river-watershed.htm\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Investigating Pollution, Tainted Groundwater in Buffalo River Watershed\" \/>\n<meta property=\"og:description\" content=\"USGS scientists are working to find out why filamentous algae is plaguing the Buffalo River, and how to stop it.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fondriest.com\/news\/investigating-pollution-tainted-groundwater-in-buffalo-river-watershed.htm\" \/>\n<meta property=\"og:site_name\" content=\"Environmental Monitor\" \/>\n<meta property=\"article:published_time\" content=\"2019-05-24T13:44:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2019\/05\/Buffalo_River_From-the-river\u2019s-shore.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"940\" \/>\n\t<meta property=\"og:image:height\" content=\"705\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Karla Lant\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Karla Lant\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/investigating-pollution-tainted-groundwater-in-buffalo-river-watershed.htm#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/investigating-pollution-tainted-groundwater-in-buffalo-river-watershed.htm\"},\"author\":{\"name\":\"Karla Lant\",\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/#\\\/schema\\\/person\\\/51170f7bfa3a05b94cea6f517ce4e79b\"},\"headline\":\"Investigating Pollution, Tainted Groundwater in Buffalo River Watershed\",\"datePublished\":\"2019-05-24T13:44:52+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/investigating-pollution-tainted-groundwater-in-buffalo-river-watershed.htm\"},\"wordCount\":1170,\"commentCount\":1,\"image\":{\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/investigating-pollution-tainted-groundwater-in-buffalo-river-watershed.htm#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/news.fondriest.com\\\/wp-content\\\/uploads\\\/2019\\\/05\\\/Buffalo_River_From-the-river\u2019s-shore.jpg\",\"keywords\":[\"Arkansas Department of Environmental Quality\",\"Arkansas Game and Fish Commission\",\"Billy G. 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