{"id":345631,"date":"2026-06-03T23:49:08","date_gmt":"2026-06-03T23:49:08","guid":{"rendered":"https:\/\/www.newsbeep.com\/us-ca\/345631\/"},"modified":"2026-06-03T23:49:08","modified_gmt":"2026-06-03T23:49:08","slug":"california-state-water-board-revises-notification-and-response-levels-for-presence-of-manganese-in-drinking-water-news","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us-ca\/345631\/","title":{"rendered":"California State Water Board revises notification and response levels for presence of manganese in drinking water | News"},"content":{"rendered":"<p>SACRAMENTO, Calif. &#8211; The State Water Resources Control Board is lowering the notification and response levels for manganese in drinking water based on data evaluating potential health risks to formula-fed infants.<\/p>\n<p>Public water systems must now take certain actions when manganese levels are exceeded.<\/p>\n<p>Notification and response levels are non-regulatory health-based thresholds used for contaminants that do not currently have a state-established primary maximum contaminant level. Public notification or additional actions may be warranted to reduce exposure.<\/p>\n<p>Manganese is a naturally-occurring trace mineral that can lead to neurological issues at high levels in drinking water. It can also cause discoloration of water, plumbing fixtures and laundry.<\/p>\n<p>The revised health-based notification level for manganese is 0.05 milligrams per liter. The revised response level is 0.20 milligrams per liter.<\/p>\n<p>When water sampling indicates that manganese exceeds the new notification level, water systems must notify their governing body within 30 days.<\/p>\n<p>When sampling indicates an exceedance of the manganese response level, water systems must now notify customers to use an alternative water source, such as bottled water, when preparing infant formula.<\/p>\n<p>Officials say that as the first step toward establishing a primary maximum contaminant level for manganese, the State Water Board has requested that the Office of Environmental Health Hazard Assessment develop a Public Health Goal for manganese.<\/p>\n<p>More information about manganese and drinking water notification and response levels is available on the State Water Board&#8217;s website.<\/p>\n","protected":false},"excerpt":{"rendered":"SACRAMENTO, Calif. &#8211; The State Water Resources Control Board is lowering the notification and response levels for manganese&hellip;\n","protected":false},"author":2,"featured_media":36753,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[3671,100,121,123,122],"class_list":["post-345631","post","type-post","status-publish","format-standard","has-post-thumbnail","category-sacramento","tag-covering-california","tag-news","tag-sacramento","tag-sacramento-headlines","tag-sacramento-news"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts\/345631","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/comments?post=345631"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts\/345631\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/media\/36753"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/media?parent=345631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/categories?post=345631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/tags?post=345631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}