{"id":1458,"date":"2024-09-02T22:47:39","date_gmt":"2024-09-02T22:47:39","guid":{"rendered":"http:\/\/castco.wpenginepowered.com\/?post_type=case-study&#038;p=1458"},"modified":"2025-10-21T12:43:27","modified_gmt":"2025-10-21T12:43:27","slug":"water-rangers-community-lab-at-zero-guildford","status":"publish","type":"case-study","link":"https:\/\/castco.org\/case-study\/water-rangers-community-lab-at-zero-guildford\/","title":{"rendered":"Water Rangers Community Lab at ZERO Guildford"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<div class=\"wp-block-group block is-layout-constrained wp-block-group-is-layout-constrained\">\n<h4 class=\"wp-block-heading has-text-align-left\">Summary<\/h4>\n\n\n\n<p>In Guildford, the Water Rangers Community Lab at ZERO Guildford, co-developed with the River Wey Trust, has built a method and space for anyone to take E. coli samples following the ISO-certified IDEXX Colilert method. The University of Surrey has lent the project equipment, ZERO Climate Action Centre has provided the space, South East Rivers Trust has provided its expertise, and the River Wey Trust and Water Rangers have built the infrastructure to allow this program to be managed by volunteers. It also introduces some key ideas around accessing data at the right time and place, as well as some key project sustainability ideas.\u00a0<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<div class=\"wp-block-cover vid-player has-primary-color has-text-color has-link-color\"><img decoding=\"async\" width=\"1280\" height=\"720\" class=\"wp-block-cover__image-background wp-image-1471 lazyload\" alt=\"\" data-src=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/maxresdefault.jpg\" data-object-fit=\"cover\" data-srcset=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/maxresdefault.jpg 1280w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/maxresdefault-640x360.jpg 640w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/maxresdefault-1024x576.jpg 1024w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/maxresdefault-768x432.jpg 768w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/maxresdefault-50x28.jpg 50w\" data-sizes=\"(max-width: 1280px) 100vw, 1280px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1280px; --smush-placeholder-aspect-ratio: 1280\/720;\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-primary-background-color has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\"> \n<div block-main-4454f2f408259f6d52d9b20167e17e11   class=\"block block-icons block-0 play\" id=\"block-main-4454f2f408259f6d52d9b20167e17e11\">\n    <svg class=\"icon icon-play\" role=\"presentation\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 71.71 71.71\"><desc>play<\/desc><circle cx=\"35.86\" cy=\"35.85\" r=\"35.86\" fill=\"currentColor\"\/><path fill=\"#fff\" d=\"M29.86 22.41c.63.04 1.24.27 1.74.66l16 10.99c1 .5 1.4 1.72.89 2.72-.19.38-.51.7-.89.89l-16 10.98c-.5.4-1.11.63-1.74.65-1.15 0-2.07-.94-2.07-2.09 0-.07 0-.13.01-.2v-22.3c-.12-1.14.71-2.17 1.85-2.29.07 0 .14-.01.21-.01z\"\/><\/svg>\n<\/div>\n\n\n<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"embed-container\"><iframe title=\"Introducing the Water Rangers Community Water Lab at ZERO Guildford!\" width=\"500\" height=\"281\" data-src=\"https:\/\/www.youtube-nocookie.com\/embed\/j2Lkzi3eiGA?feature=oembed&amp;enablejsapi=1&amp;rel=0\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" data-load-mode=\"1\"><\/iframe><\/div>\n<\/div><\/figure>\n<\/body><\/html>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group no-margin has-bg-alt-2-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center\">The <strong>context<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-b0c428d9 wp-block-group-is-layout-constrained\">\n<p><\/p>\n\n\n\n<p class=\"has-text-align-center has-medium-font-size\">Water Rangers, River Wey Trust, and ZERO Guildford have been testing for baseline water chemistry for a few years. Many of our volunteers who care about the local river&#8217;s health also enjoy swimming and boating: they had questions about water health related to their own health. <\/p>\n\n\n\n<p class=\"has-text-align-center\">While the region continues to collect baseline chemistry data, this bacterial data is providing insights and providing more nuances to our understanding of the River Wey Catchment&#8217;s health. We use this data in the Wey Landscape Partnership to work collaboratively to improve water quality and share information with the public at the testing locations.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group block is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\"><strong>Who<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Led by Water Rangers, ZERO Guildford, and the River Wey Trust<\/li>\n\n\n\n<li>Expertise and resources from the University of Surrey and South East Rivers Trust&nbsp;<\/li>\n\n\n\n<li>Funded by local councillors and businesses<\/li>\n\n\n\n<li>Part of monitoring and restoration planning in the Wey Landscape Partnership, the local catchment partnership. Catchment partner, Affinity Water, also helped us with some validation sampling.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column has-bg-color has-secondary-background-color has-text-color has-background has-link-color wp-elements-c313ee18794aca49b46c01f7caa9dd35 is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group block is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">Where<\/h2>\n\n\n\n<p>Based in Guildford, Surrey to serve the River Wey and surrounding catchments&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-medium is-resized\"><img decoding=\"async\" width=\"640\" height=\"979\" data-src=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/guildford-640x979.png\" alt=\"Map of the UK with target on Guildford.\" class=\"wp-image-2501 lazyload\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/979;width:200px\" data-srcset=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/guildford-640x979.png 640w, https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/guildford-1024x1566.png 1024w, https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/guildford-768x1175.png 768w, https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/guildford-33x50.png 33w, https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/guildford-1004x1536.png 1004w, https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/guildford.png 1152w\" data-sizes=\"(max-width: 640px) 100vw, 640px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n\n\n\n<p>\u202f<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n \n<div block-main-6dae37d1e0b745ab5d46d31fac13df6a   class=\"block block-image-slider block-0 block--style-full-image-width\" id=\"block-main-6dae37d1e0b745ab5d46d31fac13df6a\">\n    \n<div class=\"slider\" data-flickity='{\"autoPlay\":false,\"selectedAttraction\":0.025,\"prevNextButtons\":true,\"wrapAround\":true,\"arrowShape\":\"M59.4,63.5c-0.8-1.2-14.3-10.7,0.1-27L76,19.1L58,0l-20,21.1C19.1,41,19.4,59.4,38.5,79.4L58,100L76,80.9L59.5,63.5 c0,0,0,0-0.1-0.1L59.4,63.5z\",\"contain\":true,\"pageDots\":true,\"adaptiveHeight\":true}'>    <figure class=\"slide slide-1\">\n            <figcaption><p>The lab is officially open every week to process samples, with results published Saturday morning, with special event testing possible during the week. <\/p><\/figcaption>\n            <a href=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510.jpg\" title=\"The lab is officially open every week to process samples, with results published Saturday morning, with special event testing possible during the week. \" class=\"gallery-item\"><img decoding=\"async\" width=\"4032\" height=\"3024\" data-src=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510.jpg\" class=\"attachment-xl size-xl lazyload\" alt=\"Two women in lab coats in the Water Rangers community lab, sliding an IDEXX colilert sample through the sealing machine.\" data-sizes=\"(min-width: 1420px) 1420px, 100vw\" data-srcset=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510-640x480.jpg 640w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510-1024x768.jpg 1024w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510-768x576.jpg 768w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510-50x38.jpg 50w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510-1536x1152.jpg 1536w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510-2048x1536.jpg 2048w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510-1280x960.jpg 1280w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510-1600x1200.jpg 1600w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510-1920x1440.jpg 1920w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510-2560x1920.jpg 2560w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510-3840x2880.jpg 3840w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2510.jpg 4032w\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 4032px; --smush-placeholder-aspect-ratio: 4032\/3024;\" \/><\/a>\n    <\/figure>    <figure class=\"slide slide-2\">\n            <figcaption><p>Signs at popular locations, sponsored by local businesses, allow people to view results right next to the river, as soon as they\u2019re published.<\/p><\/figcaption>\n            <a href=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/WhatsApp-Image-2024-09-05-at-04.41.01.jpeg\" title=\"Signs at popular locations, sponsored by local businesses, allow people to view results right next to the river, as soon as they\u2019re published.\" class=\"gallery-item\"><img decoding=\"async\" width=\"768\" height=\"1024\" data-src=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/WhatsApp-Image-2024-09-05-at-04.41.01.jpeg\" class=\"attachment-xl size-xl lazyload\" alt=\"Sign attached to a bridge railing that says, &quot;How&#039;s your water quality&quot;. It has a QR code, text and a sponsor logo.\" data-sizes=\"(min-width: 1420px) 1420px, 100vw\" data-srcset=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/WhatsApp-Image-2024-09-05-at-04.41.01-640x853.jpeg 640w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/WhatsApp-Image-2024-09-05-at-04.41.01-38x50.jpeg 38w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/WhatsApp-Image-2024-09-05-at-04.41.01.jpeg 768w\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 768px; --smush-placeholder-aspect-ratio: 768\/1024;\" \/><\/a>\n    <\/figure>    <figure class=\"slide slide-3\">\n            <figcaption><p>The systems and protocols have many fail-safes built in to allow us to follow rigorous methods but also to include new volunteers every week. Plus we love welcoming experts to help us improve!<\/p><\/figcaption>\n            <a href=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_0389.jpg\" title=\"The systems and protocols have many fail-safes built in to allow us to follow rigorous methods but also to include new volunteers every week. Plus we love welcoming experts to help us improve!\" class=\"gallery-item\"><img decoding=\"async\" width=\"3024\" height=\"4032\" data-src=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_0389.jpg\" class=\"attachment-xl size-xl lazyload\" alt=\"Volunteer holding a sealed IDEXX colilert sample and laughing. She&#039;s wearing a lab coat, gloves and safety goggles.\" data-sizes=\"(min-width: 1420px) 1420px, 100vw\" data-srcset=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_0389-640x853.jpg 640w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_0389-1024x1365.jpg 1024w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_0389-768x1024.jpg 768w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_0389-38x50.jpg 38w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_0389-1152x1536.jpg 1152w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_0389-1536x2048.jpg 1536w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_0389-1280x1707.jpg 1280w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_0389-1600x2133.jpg 1600w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_0389-1920x2560.jpg 1920w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_0389-2560x3413.jpg 2560w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_0389.jpg 3024w\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 3024px; --smush-placeholder-aspect-ratio: 3024\/4032;\" \/><\/a>\n    <\/figure>    <figure class=\"slide slide-4\">\n            <figcaption><p>It\u2019s a resource available to everyone! The lab has processed samples as part of blitz events in the Ribble, the Severn, and the Mole. Plus, we\u2019ve had inquiries from other places to replicate our model <\/p><\/figcaption>\n            <a href=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/together.jpg\" title=\"It\u2019s a resource available to everyone! The lab has processed samples as part of blitz events in the Ribble, the Severn, and the Mole. Plus, we\u2019ve had inquiries from other places to replicate our model \" class=\"gallery-item\"><img decoding=\"async\" width=\"1092\" height=\"739\" data-src=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/together.jpg\" class=\"attachment-xl size-xl lazyload\" alt=\"Three people processing samples wearing safety equipment (lab coat, gloves, safety goggles\/glasses)\" data-sizes=\"(min-width: 1420px) 1420px, 100vw\" data-srcset=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/together-640x433.jpg 640w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/together-1024x693.jpg 1024w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/together-768x520.jpg 768w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/together-50x34.jpg 50w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/together.jpg 1092w\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1092px; --smush-placeholder-aspect-ratio: 1092\/739;\" \/><\/a>\n    <\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-top has-highlight-background-color has-background is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top has-bg-alt-2-background-color has-background is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group block is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\"><strong>Methods<\/strong><\/h2>\n\n\n\n<p>We are using the ISO-certified IDEXX Colilert 2000 MPN method for testing E. coli. This test type has been used for many years, and as it&#8217;s a recognised method, it increases the trustworthiness of our results.<\/p>\n\n\n\n<p>The University of Surrey lent us the equipment for sealing samples and incubating tests, and we process samples in a dedicated space in ZERO Guildford, a climate action centre. We continuously welcome experts to review our protocol.<\/p>\n\n\n\n<p>Undiluted samples have a &#8220;most probable number&#8221; (MPN) reading up to 2,420CFU\/100mL. For samples consistently above 2400CFU\/100mL, we dilute the sample with 50% mineral water to be able to read up to 4840CFU\/100mL. For high probability polluted samples, we also dilute up to 90%.<\/p>\n\n\n\n<p>We are collaborating with the <a href=\"https:\/\/castco.org\/case-study\/severn-bacteria\/\" data-type=\"case-study\" data-id=\"367\" target=\"_blank\" rel=\"noreferrer noopener\">Severn Demo on testing methods<\/a> and experimenting with remote sampling using another method, where participants can incubate themselves. <\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top has-primary-color has-highlight-background-color has-text-color has-background has-link-color wp-elements-7d75e1df831ac7d2d1400ac47333270b is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group block is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"no-margin-bottom has-large-font-size\"><strong>100%<\/strong><\/p>\n\n\n\n<p class=\"no-margin-top\"><strong>Funded by local councillors, businesses, and donations&nbsp;<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"no-margin-bottom has-large-font-size\"><strong>90%<\/strong><\/p>\n\n\n\n<p class=\"no-margin-top\"><strong>Samples where results were higher than the recommended levels for swimming, but also at surprising spots. It&#8217;s prompting further investigations&nbsp;<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"682\" data-src=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/DSF6129_2k-1024x682.jpg\" alt=\"Wall display with 4 frames. They're showing photographs of a river location and then the corresponding water test using the community lab.\" class=\"wp-image-1470 lazyload\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/682;width:646px;height:auto\" data-srcset=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/DSF6129_2k-1024x682.jpg 1024w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/DSF6129_2k-640x427.jpg 640w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/DSF6129_2k-768x512.jpg 768w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/DSF6129_2k-50x33.jpg 50w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/DSF6129_2k-1536x1024.jpg 1536w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/DSF6129_2k-1280x853.jpg 1280w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/DSF6129_2k-1600x1066.jpg 1600w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/DSF6129_2k-1920x1280.jpg 1920w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/DSF6129_2k.jpg 2000w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Inspiring interdisciplinary engagement<\/h2>\n\n\n\n<p>We welcome many students into the lab as part of monitoring. For example, Will Dickson is completing his master&#8217;s of photography, finding beauty in (sometimes not so good) water quality.<\/p>\n\n\n\n<p>You can view his mini-exhibition, which combines the places people are visiting with the test results at ZERO Guildford and Kiln Photo in Badshot Lea.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Data systems<\/h2>\n\n\n\n<p>Our super-star trustees have prototyped and built data systems to checkout sample collection bags, smooth out data entry during our rigorous protocol and post results. We publish results in three places: on the Water Rangers results page, the River Wey Trust hub results, as well as on the open data platform at <a href=\"https:\/\/app.waterrangers.ca\" target=\"_blank\" rel=\"noreferrer noopener\">Water Rangers<\/a>. This prototyping work is informing the next iteration of the data platform, some features that are being <a href=\"https:\/\/castco.org\/case-study\/thames21-empower-rivers\/\" data-type=\"case-study\" data-id=\"997\">co-developed with the Thames21 team<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Innovative approach<\/h2>\n\n\n\n<p>While many communities are testing for E.coli, they rely on a lab to get their results. This lab is the first of its time to empower communities to collect and process results using a rigorous ISO-certified method. It is based in a Climate Action Centre, ZERO Guildford, allowing them to benefit from space and community support. Plus, its model is aimed at sustainable testing, with local businesses sponsoring testing locations.&nbsp;<\/p>\n\n\n\n<p>The project continues to prototype and innovate, combining the development of &#8216;home labs&#8217; for those volunteers who can&#8217;t easily reach the lab each week. <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" data-src=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2689-1024x768.jpeg\" alt=\"Three volunteers processing samples. One is opening a Whirl-pak bag, the other two are smilling at her. They're all wearing lab coats, glasses, and gloves. You can see silver buckets that have additional samples in them.\" class=\"wp-image-1469 lazyload\" data-srcset=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2689-1024x768.jpeg 1024w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2689-640x480.jpeg 640w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2689-768x576.jpeg 768w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2689-50x38.jpeg 50w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2689-1536x1152.jpeg 1536w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2689-2048x1536.jpeg 2048w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2689-1280x960.jpeg 1280w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2689-1600x1200.jpeg 1600w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2689-1920x1440.jpeg 1920w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2689-2560x1920.jpeg 2560w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2689-3840x2880.jpeg 3840w, https:\/\/castco.org\/wp-content\/uploads\/2024\/11\/IMG_2689.jpeg 4032w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/768;\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\"><\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center has-secondary-background-color has-background is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-cover is-light wp-duotone-unset-1\" style=\"min-height:502px;aspect-ratio:unset;\"><img decoding=\"async\" width=\"1920\" height=\"971\" class=\"wp-block-cover__image-background wp-image-370 lazyload\" alt=\"Two volunteers are preparing the labels on the sample processing.\" data-src=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/community-lab-1.jpg\" data-object-fit=\"cover\" data-srcset=\"https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/community-lab-1.jpg 1920w, https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/community-lab-1-640x324.jpg 640w, https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/community-lab-1-1024x518.jpg 1024w, https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/community-lab-1-768x388.jpg 768w, https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/community-lab-1-50x25.jpg 50w, https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/community-lab-1-1536x777.jpg 1536w, https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/community-lab-1-1280x647.jpg 1280w, https:\/\/castco.org\/wp-content\/uploads\/2024\/09\/community-lab-1-1600x809.jpg 1600w\" data-sizes=\"(max-width: 1920px) 100vw, 1920px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1920px; --smush-placeholder-aspect-ratio: 1920\/971;\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#707664\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-right has-large-font-size\"><\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center has-bg-color has-secondary-background-color has-text-color has-background has-link-color wp-elements-5395ec21735cfdf07be50583db43b543 is-layout-flow wp-block-column-is-layout-flow\">\n<blockquote class=\"wp-block-quote block is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u201cThere is a lot of local support to protect and monitor our local rivers. It\u2019s really great that we now have the Community Water Lab within our premises at ZERO Guildford so that team of volunteers can do that really important work in testing and share results.\u201d&nbsp;<\/p>\n\n\n\n<p><strong>&#8211; Steph Bleach, ZERO Guildford&nbsp;<\/strong><\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote block is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u201cBy using this lab and allowing the people to keep track of bacterial pollution in the river is a huge leap in the right direction, and it should be something that we should all be proud of.\u201d&nbsp;<\/p>\n\n\n\n<p><strong>&#8211; Dr. Lewis Campbell, South East Rivers Trust<\/strong><\/p>\n<\/blockquote>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-style-no-margin has-bg-alt-2-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<h2 class=\"wp-block-heading has-text-align-left is-style-no-margin-bottom\">Supporting <strong>material<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><a href=\"https:\/\/waterrangers.com\/community-water-lab\/\" target=\"_blank\" rel=\"noreferrer noopener\">Water Rangers&#8217; Community Lab page<\/a><\/td><\/tr><tr><td><a href=\"https:\/\/www.zerocarbonguildford.org\/river-quality-testing\" target=\"_blank\" rel=\"noreferrer noopener\">ZERO Guildford&#8217;s river monitoring page<\/a><\/td><\/tr><tr><td><a href=\"https:\/\/www.riverweytrust.org.uk\/hubs\/lab\/\" target=\"_blank\" rel=\"noreferrer noopener\">River Wey Trusts&#8217; Community Lab page<\/a><\/td><\/tr><tr><td><\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><a href=\"https:\/\/waterrangers.com\/wp-content\/uploads\/2024\/03\/Water-Rangers-UK-impact-2023.pdf?v=5435c69ed3bc\" target=\"_blank\" rel=\"noreferrer noopener\">Water Rangers UK 2023 Impact Report (pdf)<\/a><\/td><\/tr><tr><td><\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<h2 class=\"wp-block-heading\">In the <strong>media<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><a href=\"https:\/\/www.bbc.com\/news\/articles\/cgxw4w3l5g1o\" target=\"_blank\" rel=\"noreferrer noopener\">BBC News: New water quality lab opens to help monitor river<\/a><\/td><\/tr><tr><td><a href=\"https:\/\/www.bbc.com\/news\/articles\/cn8jl95l896o\" target=\"_blank\" rel=\"noreferrer noopener\">BBC Article: Swimmers stop using rivers over E. coli levels<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A novel approach to community-led bacterial monitoring in Guildford, co-developed with the River Wey Trust<\/p>\n","protected":false},"featured_media":1471,"template":"","case_study_tag":[],"class_list":["post-1458","case-study","type-case-study","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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