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A guide for PWSs on sampling and monitoring requirements for UCMR3 Suzanne Lindblom Laboratory Manager Mobile Area Water and Sewer System, Mobile, AL

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TOPICS COVERED Timeline Summary PWSs affected by this Ruling Contaminate List and Methods Sampling Requirements Frequency of Sampling Sampling Locations Approved Laboratories Reporting

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PREVIOUS DEADLINES Letter notifying PWS of monitoring requirements. Mobile Water must Monitor for List 1 & List 2 Safe Drinking Water Accession and Review System (SDWARS) registration July 31, 2012 entered Contact info into SDWARS November 29, 2012 review and update sample location and if needed, revise monitoring schedule. Questions? Contact CDX Help Desk @ 1-888-890-1995

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SCHEDULE ON SDWARS

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UCMR 3 TIMELINE OF EVENTS

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TIMELINE Monitoring Data Deadlines Large Systems Laboratory must post data to SDWARS within 120 days after collection PWS must review, approve and submit data to State and EPA within 60 days of laboratory submittal 2016 allows for systems whose last sampling event was late 2015 to report and approve data.

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APPLICABILITY OF UCMR3 TO PWS BY TYPE AND SIZE SYSTEM TYPESERVING >10,000SERVING10,000 ASSESSMENT MONITORING (List 1) CWS&NTNCWSAll must monitor800 randomly selected EPA pays TNCWSNo requirement SCREENING SURVEY (List 2) CWS&NTNCWSSystems >100,000 must monitor. 320 randomly selected 10,001-100,000 No requirements TNCWSNo requirements PRE-SCREEN TESTING (List 3) CWS, NTNCWS, TNCWS No requirements800 randomly selected. Non-disinfecting ground water wells. EPA pays

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COST OF UCMR3 Large systems must budget 100% of cost labor, sample collection, analysis and shipping. Systems serving

PWS >10,000 PEOPLE SERVED The PWS must coordinate sample analysis with an approved laboratory and is responsible for all costs. Laboratory sends data to the SDWARS system. Contact local third party lab who currently does utilities required testing. They may be able to coordinate with an approved lab. Get quotes from several different labs.

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PWS