{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,11]],"date-time":"2026-01-11T00:51:31Z","timestamp":1768092691395,"version":"3.49.0"},"reference-count":66,"publisher":"IWA Publishing","issue":"6","license":[{"start":{"date-parts":[[2021,9,20]],"date-time":"2021-09-20T00:00:00Z","timestamp":1632096000000},"content-version":"vor","delay-in-days":2,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["iwaponline.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2021,12,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Recreational water use is an important source of human enteric illness. Enhanced (episodic) surveillance of natural recreational waters as a supplement to beach monitoring can enrich our understanding of human health risks. From 2011 to 2013, water sampling was undertaken at recreational sites on a watershed in eastern Canada. This study compared the prevalence and associations of human enteric pathogens and fecal indicator organisms. Beach water samples had lower pathogen presence than those along the main river, due to different pollution sources and the hydrological disposition. Pathogen profiles identified from the beach sites suggested a more narrow range of sources, including birds, indicating that wild bird management could help reduce public health risks at these sites. The presence and concentration of indicator organisms did not differ significantly between beaches and the river. However, higher concentrations of generic Escherichia coli were observed when Salmonella and Cryptosporidium were present at beach sites, when Salmonella was present at the river recreational site, and when verotoxigenic E. coli were present among all sites sampled. In this watershed, generic E. coli concentrations were good indicators of potential contamination, pathogen load, and elevated human health risk, supporting their use for routine monitoring where enhanced pathogen testing is not possible.<\/jats:p>","DOI":"10.2166\/wh.2021.021","type":"journal-article","created":{"date-parts":[[2021,9,20]],"date-time":"2021-09-20T05:59:43Z","timestamp":1632117583000},"page":"975-989","update-policy":"https:\/\/doi.org\/10.2166\/iwapcrossmarkpolicypage","source":"Crossref","is-referenced-by-count":7,"title":["Microbial water quality at contrasting recreational areas in a mixed-use watershed in eastern Canada"],"prefix":"10.2166","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8668-0761","authenticated-orcid":false,"given":"Ainslie J.","family":"Butler","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katarina","family":"Pintar","sequence":"additional","affiliation":[{"name":"Natural Resources Canada, Canada, Ottawa, ON, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Janis L.","family":"Thomas","sequence":"additional","affiliation":[{"name":"Environmental Monitoring and Reporting Branch, Ontario Ministry of Environment, Conservation and Parks, Toronto, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Manon","family":"Fleury","sequence":"additional","affiliation":[{"name":"Centre for Food-borne, Environmental and Zoonotic and Infectious Diseases, Public Health Agency of Canada, Guelph, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5070-248X","authenticated-orcid":false,"given":"Stefanie","family":"Kadykalo","sequence":"additional","affiliation":[{"name":"Centre for Food-borne, Environmental and Zoonotic and Infectious Diseases, Public Health Agency of Canada, Guelph, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kim","family":"Ziebell","sequence":"additional","affiliation":[{"name":"National Microbiology Laboratory at Guelph, Public Health Agency of Canada, Guelph, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2925-8710","authenticated-orcid":false,"given":"John","family":"Nash","sequence":"additional","affiliation":[{"name":"National Microbiology Laboratory at Toronto, Public Health Agency of Canada, Toronto, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David","family":"Lapen","sequence":"additional","affiliation":[{"name":"Science and Technology Branch, Agriculture and Agri-Food Canada, Ottawa, ON K1A 0C6, 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