{"id":6278,"date":"2022-11-16T12:18:05","date_gmt":"2022-11-16T18:18:05","guid":{"rendered":"https:\/\/www.iowawatercenter.org\/?post_type=news&#038;p=6278"},"modified":"2022-11-16T12:18:05","modified_gmt":"2022-11-16T18:18:05","slug":"sioux-city-drinking-water-exceeds-health-advisory-levels-for-forever-chemicals","status":"publish","type":"news","link":"https:\/\/www.iowawatercenter.org\/news\/sioux-city-drinking-water-exceeds-health-advisory-levels-for-forever-chemicals\/","title":{"rendered":"Sioux City drinking water exceeds health advisory levels for \u2018forever chemicals&#8217;"},"content":{"rendered":"<p>Dangerous chemicals, known as PFAS, have been detected in one of Sioux City\u2019s drinking water sources, with contamination levels that now warrant a health advisory.<\/p>\n<p>In January, the Iowa Department of Natural Resources detected the presence of per-and polyfluoroalkyl substances (PFAS) at the Southbridge Water Treatment plant. At the time, those levels did not meet the Environmental Protection Agency\u2019s threshold for a health advisory.<\/p>\n<p>But, the EPA drastically lowered those thresholds this summer. They dropped from 70 parts per trillion to 0.004 parts per trillion for Perfluorooctane Sulfonate (PFOS) and 0.002 parts per trillion for Perfluorooctanoic Acid (PFOA). More than a dozen Iowa communities\u2019 water sources surpass this level.<\/p>\n<p>Sioux City\u2019s levels are at 4.4 parts per trillion for PFOS and 5.7 for PFOA. The contamination likely came from a nearby Iowa Air National Guard Base, where levels in groundwater were\u00a0<u><a class=\"Link\" href=\"https:\/\/www.iowapublicradio.org\/health\/2019-02-19\/military-report-shows-groundwater-contamination-at-sioux-city-national-guard-base?nopop=1#stream\/0\" target=\"_blank\" rel=\"noopener\">detected\u00a0<\/a><\/u>as high as 8,610 parts per trillion nearly three years ago. The chemicals, existent in firefighting foams, are believed to have migrated off-site and into the drinking water.<\/p>\n<p>Read the entire article <a href=\"https:\/\/www.iowapublicradio.org\/environment\/2022-11-15\/sioux-city-drinking-water-exceeds-health-advisory-levels-for-forever-chemicals\">here<\/a>.<\/p>\n<p><a href=\"https:\/\/www.iowapublicradio.org\/kendall-crawford\"><em>Reporting by Iowa Public Radio&#8217;s Kendall Crawford<\/em><\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dangerous chemicals, known as PFAS, have been detected in one of Sioux City\u2019s drinking water sources, with contamination levels that now warrant a health advisory. In January, the Iowa Department [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-6278","news","type-news","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sioux City drinking water exceeds health advisory levels for \u2018forever chemicals&#039; - Iowa Water Center<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.iowawatercenter.org\/news\/sioux-city-drinking-water-exceeds-health-advisory-levels-for-forever-chemicals\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sioux City drinking water exceeds health advisory levels for \u2018forever chemicals&#039; - Iowa Water Center\" \/>\n<meta property=\"og:description\" content=\"Dangerous chemicals, known as PFAS, have been detected in one of Sioux City\u2019s drinking water sources, with contamination levels that now warrant a health advisory. 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