{"id":29922,"date":"2018-08-03T09:27:56","date_gmt":"2018-08-03T13:27:56","guid":{"rendered":"https:\/\/www.fondriest.com\/news\/?p=29922"},"modified":"2025-02-17T14:14:19","modified_gmt":"2025-02-17T18:14:19","slug":"pilot-program-testing-speedy-water-monitoring-technology","status":"publish","type":"post","link":"https:\/\/www.fondriest.com\/news\/pilot-program-testing-speedy-water-monitoring-technology.htm","title":{"rendered":"Pilot Program Testing Speedy Water Monitoring Technology"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">In the American Southwest, innovative solutions for water shortages have literally made modern urban life possible. Nowhere is this more apparent than Las Vegas, an oasis in the desert where you can even watch dancing fountains colored with light shoot massive jets of water into the arid sky every 15 minutes at the Bellagio.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A new pilot program through<\/span><a href=\"https:\/\/waterstart.com\/\"> <span style=\"font-weight: 400;\">WaterStart<\/span><\/a><span style=\"font-weight: 400;\">, partnered with the University of Nevada, Las Vegas (UNLV), provides some insight into how the oasis remains possible\u2014and how to keep water safe in the desert and beyond.<\/span><\/p>\n<h3><span style=\"color: #808080;\">Testing a new, quicker technology<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">For <\/span><a href=\"https:\/\/www.unlv.edu\/people\/daniel-gerrity-phd\"><span style=\"font-weight: 400;\">Dr. Daniel Gerrity<\/span><\/a><span style=\"font-weight: 400;\">, an assistant professor at the <\/span><a href=\"https:\/\/www.unlv.edu\/\"><span style=\"font-weight: 400;\">University of Nevada, Las Vegas (UNLV)<\/span><\/a><span style=\"font-weight: 400;\">, in the Department of Civil and Environmental Engineering and Construction, the issues of scarcity and water quality are always close at hand.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cPotable reuse has been the focus of my research for about 10 years now,\u201d explains Dr. Gerrity, who started his potable reuse research as a Postdoctoral Researcher at the <\/span><a href=\"https:\/\/www.snwa.com\/\"><span style=\"font-weight: 400;\">Southern Nevada Water Authority<\/span><\/a><span style=\"font-weight: 400;\"> and then worked on a variety of potable reuse projects in California as a Senior Engineer at Trussell Technologies.<\/span><\/p>\n<div id=\"attachment_29928\" style=\"width: 424px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-29928\" class=\" wp-image-29928\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2018\/08\/BACT__danielgerrity-600x900.jpg\" alt=\"BACTcontrol\" width=\"414\" height=\"621\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__danielgerrity-600x900.jpg 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__danielgerrity-200x300.jpg 200w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__danielgerrity-768x1152.jpg 768w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__danielgerrity-1024x1536.jpg 1024w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__danielgerrity-1365x2048.jpg 1365w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__danielgerrity-940x1410.jpg 940w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__danielgerrity-scaled.jpg 1707w\" sizes=\"auto, (max-width: 414px) 100vw, 414px\" \/><p id=\"caption-attachment-29928\" class=\"wp-caption-text\"><span style=\"color: #808080;\">Dr. Daniel Gerrity. (Credit: UNLV, http:\/\/dgerrity.faculty.unlv.edu\/.)<\/span><\/p><\/div>\n<p><span style=\"font-weight: 400;\">\u201cI\u2019m just wrapping up my EPA Science to Achieve Results (STAR) Grant, which focused on microbial risk assessment, sustainability, and treatment in potable reuse applications,\u201d adds Dr. Gerrity. \u201cThe first component quantified the safety of potable reuse (i.e., how likely is someone to get sick from conventional drinking water vs. drinking water from a potable reuse system). The second component evaluated the economic viability of direct potable reuse in Las Vegas\u2014as opposed to sending our treated wastewater back to Lake Mead like we currently do. The third component evaluated ozone-biofiltration as an alternative to treatment trains employing reverse osmosis from a water quality perspective.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Now, Dr. Gerrity is part of a collaboration through WaterStart and UNLV that is testing new water monitoring technology from Netherlands-based tech company <\/span><a href=\"http:\/\/www.microlan.nl\/\"><span style=\"font-weight: 400;\">microLAN<\/span><\/a><span style=\"font-weight: 400;\">. The pilot project is testing the innovative BACTcontrol unit, which can detect bacterial contamination and activity in water many times faster than current technologies.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cWaterStart, which works closely with the <\/span><a href=\"http:\/\/nevadadashboard.com\/\"><span style=\"font-weight: 400;\">Nevada Governor\u2019s Office of Economic Development<\/span><\/a><span style=\"font-weight: 400;\">, aims to diversify and grow the Nevada economy by creating a hub for water technology innovation,\u201d remarks Dr. Gerrity. \u201cThey give water technology companies an opportunity to pursue matching funds to pilot their products and collaborate with water and wastewater stakeholders in the Southwest.\u201d<\/span><\/p>\n<div id=\"attachment_29927\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-29927\" class=\"size-large wp-image-29927\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2018\/08\/BACT_control-600x433.jpg\" alt=\"BACTcontrol\" width=\"600\" height=\"433\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT_control-600x433.jpg 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT_control-300x216.jpg 300w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT_control-768x554.jpg 768w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT_control-1536x1108.jpg 1536w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT_control-2048x1477.jpg 2048w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT_control-940x678.jpg 940w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-29927\" class=\"wp-caption-text\"><span style=\"color: #808080;\">The BACTcontrol unit. (Credit: microLAN, http:\/\/www.microlan.nl\/monitoring-products\/bactcontrol-online-monitor-of-total-and-specific-bacteria-activity-in-water\/)<\/span><\/p><\/div>\n<p><span style=\"font-weight: 400;\">The microLAN team specializes in using light measurements to develop early warning systems for monitoring water quality. Their range of online monitoring devices take on a variety of tasks, from safeguarding drinking water quality to detecting chemical and bacteria pollution and monitoring process and surface waters for algae.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cAll water and wastewater agencies have a need to identify bacterial contamination of treated water as quickly as possible to ensure public health protection and to comply with various regulations,\u201d details Dr. Gerrity. \u201cThis is critically important for finished drinking water, but it is also important for treated wastewater that is discharged to the environment, used for irrigation (i.e., nonpotable reuse), or even used to augment drinking water supplies (i.e., potable reuse).\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Monitoring water for bacterial contamination is required for all water and wastewater agencies, so technologies that enable the detection of specific bacteria that cause infections and disease are common. The presence of specific \u201cindicator\u201d bacteria such as total coliform bacteria and E. coli should serve as a warning to agencies that the water may be contaminated with other pathogens\u2014necessitating technology for frequent, routine testing.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The BACTcontrol technology is unique primarily in how fast it returns results.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cFor most [water monitoring] applications, the tests should come back as &#8216;non-detects,&#8217;\u201d Dr. Gerrity describes. \u201cThe problem is that the standard methods require at least 18 hours of incubation time before results are obtained, which means contaminated water may be released for hours before a problem is identified. The BACTcontrol actually relies on a similar method, but the sensor is much more sensitive so it can detect a &#8216;positive&#8217; sample in as little as an hour\u2014rather than the typical 18-24 hours.\u201d<\/span><\/p>\n<h3><span style=\"color: #808080;\">Detecting that \u201cunhealthy glow\u201d<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The microLAN early warning monitoring system is based on light measurements.<\/span><\/p>\n<div id=\"attachment_29925\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-29925\" class=\"size-large wp-image-29925\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2018\/08\/BACT__close_up-600x400.jpg\" alt=\"BACTcontrol\" width=\"600\" height=\"400\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__close_up-600x400.jpg 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__close_up-300x200.jpg 300w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__close_up-768x512.jpg 768w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__close_up-1536x1025.jpg 1536w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__close_up-2048x1367.jpg 2048w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__close_up-940x627.jpg 940w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-29925\" class=\"wp-caption-text\"><span style=\"color: #808080;\">Close up view of the BACTcontrol unit. (Credit: microLAN, http:\/\/www.microlan.nl\/monitoring-products\/bactcontrol-online-monitor-of-total-and-specific-bacteria-activity-in-water\/)<\/span><\/p><\/div>\n<p><span style=\"font-weight: 400;\">\u201cBacteria can produce an assortment of enzymes that are used to break down &#8216;food&#8217; and generate energy, and most E. coli can produce an enzyme called \u03b2-glucuronidase that is used to break down certain carbohydrates,\u201d states Dr. Gerrity. \u201cThe BACTcontrol spikes a chemical that only E. coli can metabolize, but the key is that there is also a fluorescent component of that chemical. When the chemical is intact, there is no fluorescence, but when E. coli break it down, the fluorescent component is activated. The BACTcontrol then uses a light source to make the fluorescent compound &#8216;glow,&#8217; which the sensor can detect at very low levels.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dr. Gerrity explains that the current version of the BACTcontrol can detect total coliform bacteria, E. coli, enterococci, and \u201ctotal bacterial activity\u201d by spiking different chemicals and incubating at different temperatures. \u201cTotal coliform bacteria and enterococci are also types of &#8216;indicator&#8217; bacteria,\u201d adds Dr. Gerrity.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ultimately, although direct potable reuse isn&#8217;t on the menu in Nevada yet, it may be soon, and indirect potable reuse is critical to the state, making the kind of testing the BACTcontrol does essential.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cIn fact, all of our treated wastewater eventually returns to Lake Mead and makes up a small portion of our drinking water supply,\u201d remarks Dr. Gerrity. \u201cWithout those &#8216;<\/span><a href=\"https:\/\/www.snwa.com\/water-resources\/where-water-comes-from\/index.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">return flow credits<\/span><\/a><span style=\"font-weight: 400;\">,&#8217;Las Vegas probably wouldn\u2019t be able to exist like it does today. With direct potable reuse, the lake would essentially be bypassed, and the water could be delivered directly to the consumer.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Coming next from this project we can expect to see the BACTcontrol unit tested in practical wastewater settings.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cAfter preliminary testing in my lab at UNLV, we will be installing the BACTcontrol unit at several water and wastewater facilities in Nevada (and maybe Arizona and California in the future),\u201d explains Dr. Gerrity. \u201cThe primary goal is to evaluate whether the sensor improves upon the standard bacterial detection methods currently employed by the industry. If successful, broad implementation of this type of sensor could provide even greater public health protection by identifying contamination events in near-real-time.\u201d<\/span><\/p>\n<div id=\"attachment_29926\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-29926\" class=\"size-large wp-image-29926\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2018\/08\/BACT__controlled_wastewater-600x600.png\" alt=\"BACTcontrol\" width=\"600\" height=\"600\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__controlled_wastewater-600x600.png 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__controlled_wastewater-300x300.png 300w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__controlled_wastewater-150x150.png 150w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__controlled_wastewater-768x768.png 768w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__controlled_wastewater-940x940.png 940w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2018\/08\/BACT__controlled_wastewater.png 1000w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-29926\" class=\"wp-caption-text\"><span style=\"color: #808080;\">A BACTcontrol unit is installed at this wastewater treatment plant in France. (Credit: microLAN, http:\/\/www.microlan.nl\/successfully-installed-bactcontrol-waste-water-treatment-plant-agon-coutainville\/)<\/span><\/p><\/div>\n<p><span style=\"font-weight: 400;\">As water monitoring capabilities get closer and closer to real-time with better accuracy and higher sensitivity, we may all start thinking about water differently.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cAs we continue toward broad adoption of direct potable reuse, the time (and distance) between raw sewage and finished drinking water will become shorter and shorter,\u201d remarks Dr. Gerrity. \u201cAlthough the science demonstrates that this practice is safe, real-time sensors like the BACTcontrol provide even greater levels of protection and reduce the possibility of failures that could compromise public health.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Moving forward, Dr. Gerrity and his team may also be applying the technology in other ways.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cBeyond potable reuse, a technology like the BACTcontrol could be invaluable to other industries,\u201d Dr. Gerrity points out. \u201cThe current E. coli outbreak linked to romaine lettuce is still being investigated so the cause is still unclear. However, a real-time sensor that could detect spikes in bacterial contamination in irrigation or wash water could possibly reduce the likelihood of future outbreaks. This is another area I\u2019d like to pursue in the future.\u201d<\/span><\/p>\n<p><em><span style=\"color: #808080;\">Top image: Inside the BACTcontrol unit. (Credit: microLAN, http:\/\/www.microlan.nl\/monitoring-products\/bactcontrol-online-monitor-of-total-and-specific-bacteria-activity-in-water)<\/span><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>UNLV, the WaterStart program, and company microLAN are collaborating on a pilot project to test BACTcontrol, a light-based water monitoring technology.<\/p>\n","protected":false},"author":31,"featured_media":29924,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,6,8,52,510],"tags":[889,891,75,60,895,890,109,894,893,503,892],"class_list":["post-29922","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-featured-articles","category-monitoring_tech-htm","category-newsfeed","category-technology","category-water-quality","tag-bactcontrol","tag-e-coli","tag-epa","tag-featured","tag-las-vegas","tag-microlan","tag-news-ticker","tag-potable-reuse","tag-unlv","tag-water-quality","tag-waterstart"],"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>Pilot Program Testing Speedy Water Monitoring Technology<\/title>\n<meta name=\"description\" content=\"UNLV, 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