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2/10/2017 6. How will I know if dioxin is in my drinking water? - Ground Water & Drinking Water My activities Submit a request Sign in i-, F'fkw nfl Prat*ssyiAgs.y Espaol ^ ^ : M f f ^ ^ : Learn the Issues Science & Technology Laws & Regulations About EPA Search EPA.gov Home _[ Frequent Questions^ _[ My StuffJ_ Ting Vit Contact Us Share Frequent Questions 2015 Request for Application Bottled Water Consumer Concerns Consumer Confidence Reports (CCRs) "' Contaminants and Standards ...Definitions Fact Sheets ...Facts, Figures, and Databases Filters/Home Water Treatment Units (HWTUs) (Household) Private Wells Lead and Copper Local Drinking Water Quality LT2/Stage 2 Rule ...Other ...Public Notification (PN) Source Water Protection/UIC Program Tap Water Testing - Water Utility (PWS) Compliance/Issues Ground Water & Drinking Water > Fact Sheets > Dioxin (2,3,7,8-TCDD) 6. How will I know if dioxin is in my drinking water? When routine monitoring indicates that dioxin levels are above the MCL, your water supplier must take steps to reduce the amount of dioxin so that it is below that level. Water suppliers must notify their customers as soon as practical, but no later than 30 days after the system learns of the violation. Additional actions, such as providing alternative drinking water supplies, may be required to prevent serious risks to public health. See EPA's public notification requirements for public water systems. If your water comes from a household well, check with your health department or local water systems that use ground water for information on contaminants of concern in your area. For more information on wells, go to EPA's website on private wells. Was this article helpful? ^^ 0 out of 0 found this helpful f r in 8+ Have more questions? Submit a request EPA Home Privacy and Security Notice Accessibility ry Hotline News Blog on Apps Widgets Social sites More social media at EPA https://safewater.zendesk.com/hc/en-us/artides/212076827-6-How-wiN-I-know-if-dioxin-is-in-my-drinking-water- 1/1