{"id":{"repo_id":"unt","oai_identifier":"info:ark/67531/metadc2630"},"canonical_url":"https://search.dev.ndltd.org/etd/unt/info:ark/67531/metadc2630","repository":{"repo_id":"unt","name":"University of North Texas","base_url":"https://digital.library.unt.edu/oai/"},"display":{"title":"Assessing the Spatial and Temporal Distribution of MTBE and BTEX Compounds in Lake Lewisville, Texas February 1999 - February 2000","abstract":"The spatial and temporal distribution of Methyl Tertiary-Butyl Ether (MTBE) and BTEX (Benzene, Toluene, Ethylbenzene, Xylenes) compounds were assessed in a multipurpose reservoir, Lake Lewisville, Texas between February 1999 and February 2000. Concentrations of MTBE ranged from 0.0 - 16.7 mg/L. Levels of MTBE in the lake were related to watercraft. BTEX concentrations were never detected above 2.0 mg/L during the sampling period. Finished drinking water from Denton and the Upper Trinity Regional Water District (UTRWD) Treatment Plants were also tested for MTBE and BTEX. MTBE and BTEX were not detected in UTRWD water samples. Denton's finished water samples never exceeded 2.2 mg/L for MTBE and BTEX was not detected except for one replicate of 1.1 mg/L toluene.","abstract_html":"The spatial and temporal distribution of Methyl Tertiary-Butyl Ether (MTBE) and BTEX (Benzene, Toluene, Ethylbenzene, Xylenes) compounds were assessed in a multipurpose reservoir, Lake Lewisville, Texas between February 1999 and February 2000. Concentrations of MTBE ranged from 0.0 - 16.7 mg/L. Levels of MTBE in the lake were related to watercraft. BTEX concentrations were never detected above 2.0 mg/L during the sampling period. Finished drinking water from Denton and the Upper Trinity Regional Water District (UTRWD) Treatment Plants were also tested for MTBE and BTEX. MTBE and BTEX were not detected in UTRWD water samples. Denton's finished water samples never exceeded 2.2 mg/L for MTBE and BTEX was not detected except for one replicate of 1.1 mg/L toluene.","abstract_has_math":false,"creators":["Lee, Anne W."],"institution":"University of North Texas","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Dickson, Kenneth L.","Beitinger, Thomas L.","Waller, William T."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2000,"date_issued":"2000-08","date_published":"2000-08","updated_at":"2026-07-24T05:34:52Z","subjects":["Water quality -- Texas -- Garza-Little Elm Reservoir.","Water -- Pollution -- Texas -- Garza-Little Elm Reservoir.","Garza-Little Elm Reservoir (Tex.)","MTBE","Methyl Tertiary-Butyl Ether","toluene","Denton","water quality","Lake Lewisville"],"languages":["English"],"rights":["Public","Copyright","Lee, Anne W.","Copyright is held by the author, unless otherwise noted. All rights reserved."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["oclc: 49930668","untcat: b2374746","https://digital.library.unt.edu/ark:/67531/metadc2630/","ark: ark:/67531/metadc2630"],"render_values":[{"text":"oclc: 49930668","href":null,"code":true},{"text":"untcat: b2374746","href":null,"code":true},{"text":"https://digital.library.unt.edu/ark:/67531/metadc2630/","href":"https://digital.library.unt.edu/ark:/67531/metadc2630/","code":true},{"text":"ark: ark:/67531/metadc2630","href":null,"code":true}]}]},"links":{"outbound_url":"https://doi.org/10.12794/metadc2630","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Dickson, Kenneth L.","Beitinger, Thomas L.","Waller, William T."]},{"key":"dc:creator","label":"Author","values":["Lee, Anne W."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:coverage","label":"Dc Coverage","values":["United States - Texas - Denton County - Lewisville","1999/2000"]},{"key":"dc:date","label":"Dc Date","values":["2000-08"]},{"key":"dc:publisher","label":"Institution","values":["University of North Texas"]},{"key":"dc:type","label":"Dc Type","values":["Thesis or Dissertation"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Water quality -- Texas -- Garza-Little Elm Reservoir.","Water -- Pollution -- Texas -- Garza-Little Elm Reservoir.","Garza-Little Elm Reservoir (Tex.)","MTBE","Methyl Tertiary-Butyl Ether","toluene","Denton","water quality","Lake Lewisville"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]},{"key":"dc:rights","label":"Dc Rights","values":["Public","Copyright","Lee, Anne W.","Copyright is held by the author, unless otherwise noted. 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MTBE and BTEX were not detected in UTRWD water samples. Denton's finished water samples never exceeded 2.2 mg/L for MTBE and BTEX was not detected except for one replicate of 1.1 mg/L toluene."]},{"key":"dc:format","label":"Dc Format","values":["Text"]},{"key":"dc:title","label":"Title","values":["Assessing the Spatial and Temporal Distribution of MTBE and BTEX Compounds in Lake Lewisville, Texas February 1999 - February 2000"]}]}],"canonical_facts":{"dc:contributor":["Dickson, Kenneth L.","Beitinger, Thomas L.","Waller, William T."],"dc:coverage":["United States - Texas - Denton County - Lewisville","1999/2000"],"dc:creator":["Lee, Anne W."],"dc:date":["2000-08"],"dc:description":["The spatial and temporal distribution of Methyl Tertiary-Butyl Ether (MTBE) and BTEX (Benzene, Toluene, Ethylbenzene, Xylenes) compounds were assessed in a multipurpose reservoir, Lake Lewisville, Texas between February 1999 and February 2000. Concentrations of MTBE ranged from 0.0 - 16.7 mg/L. Levels of MTBE in the lake were related to watercraft. BTEX concentrations were never detected above 2.0 mg/L during the sampling period. Finished drinking water from Denton and the Upper Trinity Regional Water District (UTRWD) Treatment Plants were also tested for MTBE and BTEX. MTBE and BTEX were not detected in UTRWD water samples. Denton's finished water samples never exceeded 2.2 mg/L for MTBE and BTEX was not detected except for one replicate of 1.1 mg/L toluene."],"dc:format":["Text"],"dc:identifier":["oclc: 49930668","untcat: b2374746","doi: 10.12794/metadc2630","https://digital.library.unt.edu/ark:/67531/metadc2630/","ark: ark:/67531/metadc2630"],"dc:language":["English"],"dc:publisher":["University of North Texas"],"dc:rights":["Public","Copyright","Lee, Anne W.","Copyright is held by the author, unless otherwise noted. All rights reserved."],"dc:subject":["Water quality -- Texas -- Garza-Little Elm Reservoir.","Water -- Pollution -- Texas -- Garza-Little Elm Reservoir.","Garza-Little Elm Reservoir (Tex.)","MTBE","Methyl Tertiary-Butyl Ether","toluene","Denton","water quality","Lake Lewisville"],"dc:title":["Assessing the Spatial and Temporal Distribution of MTBE and BTEX Compounds in Lake Lewisville, Texas February 1999 - February 2000"],"dc:type":["Thesis or Dissertation"]},"updated_at":"2026-07-24T05:34:52Z"}