Assessment of fecal pollution in Lake Pontchartrain, Louisiana
Water quality in Lake Pontchartrain was deteriorating and recreational activities along the beach were restricted by the end of the 20th Century. A microbial source tracking (MST) study was conducted to determine the fecal contamination sources at public beach of the lake, so that effective pollutio...
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| Veröffentlicht in: | Marine pollution bulletin 2018-04, Vol.129 (2), p.655-663 |
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| creator | Xue, Jia Lin, Siyu Lamar, Frederica G. Lamori, Jennifer G. Sherchan, Samendra |
| description | Water quality in Lake Pontchartrain was deteriorating and recreational activities along the beach were restricted by the end of the 20th Century. A microbial source tracking (MST) study was conducted to determine the fecal contamination sources at public beach of the lake, so that effective pollution control strategies can be developed. Water samples were collected over an eight-month period at ten locations along the lake in 2016 and 2017. E. coli and Enterococcus were detected in 90.6% (culture) and 97.5% (qPCR), 95.8% (culture) and 91.8% (qPCR) of water samples from all sampling sites, respectively. Significant positive relationship between E. coli and Enterococcus results was observed for both qPCR and culture methods. HF183 marker was detected in 94.3% water samples (149 of 158), with concentrations ranging from 29.0 to 6073.5GC/100ml and from 129.8 to 38,465.6GC/100ml in summer and winter, respectively. The results also indicate that significant rainfall events have the potential to supply considerable loads of fecal bacteria to lake waters. Further research is needed to determine the contribution of other animals to fecal contamination in the region.
•All sites showed fecal pollution.•Human associated genetic marker was detected in 94.3% water samples.•High fecal indicator levels are associated with rainfall events. |
| doi_str_mv | 10.1016/j.marpolbul.2017.10.053 |
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Lin, Siyu ; Lamar, Frederica G. ; Lamori, Jennifer G. ; Sherchan, Samendra</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c399t-9240402c4a6bc0d98a3e38681de9f5f402522476a70cb5a9a8da7ddd8e4b23c63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Animals</topic><topic>Antimicrobial agents</topic><topic>Bacteria</topic><topic>Beaches</topic><topic>Contamination</topic><topic>CowM3</topic><topic>Culture</topic><topic>E coli</topic><topic>Enterococci</topic><topic>Enterococcus</topic><topic>Enterococcus - isolation & purification</topic><topic>Environmental assessment</topic><topic>Environmental Monitoring - methods</topic><topic>Escherichia coli - isolation & purification</topic><topic>Fecal coliforms</topic><topic>Fecal contamination</topic><topic>Feces</topic><topic>Feces - microbiology</topic><topic>HF183</topic><topic>Humans</topic><topic>Lakes</topic><topic>Lakes - chemistry</topic><topic>Lakes - microbiology</topic><topic>Louisiana</topic><topic>Marine pollution</topic><topic>Microbial source tracking</topic><topic>Microorganisms</topic><topic>Pollution</topic><topic>Pollution control</topic><topic>Pollution effects</topic><topic>Pollution sources</topic><topic>Rain</topic><topic>Rainfall</topic><topic>Recreation</topic><topic>Water analysis</topic><topic>Water Microbiology - standards</topic><topic>Water pollution</topic><topic>Water Pollution - analysis</topic><topic>Water Quality</topic><topic>Water quality assessments</topic><topic>Water sampling</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xue, Jia</creatorcontrib><creatorcontrib>Lin, Siyu</creatorcontrib><creatorcontrib>Lamar, Frederica G.</creatorcontrib><creatorcontrib>Lamori, Jennifer G.</creatorcontrib><creatorcontrib>Sherchan, Samendra</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Oceanic Abstracts</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Marine pollution bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xue, Jia</au><au>Lin, Siyu</au><au>Lamar, Frederica G.</au><au>Lamori, Jennifer G.</au><au>Sherchan, Samendra</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Assessment of fecal pollution in Lake Pontchartrain, Louisiana</atitle><jtitle>Marine pollution bulletin</jtitle><addtitle>Mar Pollut Bull</addtitle><date>2018-04</date><risdate>2018</risdate><volume>129</volume><issue>2</issue><spage>655</spage><epage>663</epage><pages>655-663</pages><issn>0025-326X</issn><eissn>1879-3363</eissn><abstract>Water quality in Lake Pontchartrain was deteriorating and recreational activities along the beach were restricted by the end of the 20th Century. A microbial source tracking (MST) study was conducted to determine the fecal contamination sources at public beach of the lake, so that effective pollution control strategies can be developed. Water samples were collected over an eight-month period at ten locations along the lake in 2016 and 2017. E. coli and Enterococcus were detected in 90.6% (culture) and 97.5% (qPCR), 95.8% (culture) and 91.8% (qPCR) of water samples from all sampling sites, respectively. Significant positive relationship between E. coli and Enterococcus results was observed for both qPCR and culture methods. HF183 marker was detected in 94.3% water samples (149 of 158), with concentrations ranging from 29.0 to 6073.5GC/100ml and from 129.8 to 38,465.6GC/100ml in summer and winter, respectively. The results also indicate that significant rainfall events have the potential to supply considerable loads of fecal bacteria to lake waters. Further research is needed to determine the contribution of other animals to fecal contamination in the region.
•All sites showed fecal pollution.•Human associated genetic marker was detected in 94.3% water samples.•High fecal indicator levels are associated with rainfall events.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>29126560</pmid><doi>10.1016/j.marpolbul.2017.10.053</doi><tpages>9</tpages></addata></record> |
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| subjects | Animals Antimicrobial agents Bacteria Beaches Contamination CowM3 Culture E coli Enterococci Enterococcus Enterococcus - isolation & purification Environmental assessment Environmental Monitoring - methods Escherichia coli - isolation & purification Fecal coliforms Fecal contamination Feces Feces - microbiology HF183 Humans Lakes Lakes - chemistry Lakes - microbiology Louisiana Marine pollution Microbial source tracking Microorganisms Pollution Pollution control Pollution effects Pollution sources Rain Rainfall Recreation Water analysis Water Microbiology - standards Water pollution Water Pollution - analysis Water Quality Water quality assessments Water sampling |
| title | Assessment of fecal pollution in Lake Pontchartrain, Louisiana |
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