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SAFE DRINKING WATER

SAFE DRINKING WATER. GENERAL UPDATE TO CHAPTER 109 June 19, 2007. Bureau of Water Standards and Facility Regulation. Purpose of Proposed Rulemaking. Obtain and/or maintain primacy Improve data quality Coordinate efforts with other regulatory packages Other clarifications. Primacy Status.

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SAFE DRINKING WATER

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  1. SAFE DRINKING WATER GENERAL UPDATE TO CHAPTER 109 June 19, 2007 Bureau of Water Standards and Facility Regulation

  2. Purpose of Proposed Rulemaking • Obtain and/or maintain primacy • Improve data quality • Coordinate efforts with other regulatory packages • Other clarifications

  3. Primacy Status

  4. Phase II/IIB/V • Monitoring requirements for IOCs/VOCs/SOCs • New source sampling requirements • Criteria for increased & reduced monitoring: • MCL exceedances vs. detections

  5. Phase II/IIB/V • Criteria for increased & reduced monitoring (cont) • Reliably/consistently below MCL: • Nitrate/nitrite – means <50% of MCL • IOCs/VOCs/SOCs – means <80% of MCL

  6. Phase II/IIB/V • Criteria for increased & reduced monitoring (cont) • Monitoring waiver criteria: • IOC 9-year waivers • VOC 3-year use waivers • SOC 3-year use & susceptibility waivers

  7. Phase II/IIB/V IOC Waiver Criteria: • Previous analytical results • Other factors that may affect concentrations, such as changes in: • Groundwater pumping rates • System configuration • Operating procedures • Stream flows or characteristics

  8. Phase II/IIB/V • Compliance determinations: • Quarterly: Running annual average • Annual or less frequent: Average of routine and confirmation sample

  9. LCR Rule Minor revisions to: • Monitoring requirements for nontransient noncommunity water systems • Reporting requirements (sample site location plans)

  10. RADs Rule Clarification: Bulk water hauling or vended water systems that serve at least 25 of the same persons year-round or over 6-months per year shall comply with the monitoring requirements for community or noncommunity water systems, as appropriate

  11. FBRR Rule Clarification: Reporting and record maintenance violations under the FBRR require the issuance of Tier 3 PN

  12. Improve Data Quality • QA/QC requirements for on-line instrumentation are being amended to clarify the requirements for calibration. • Reporting requirements are being amended to mandate electronic reporting of self-monitoring data.

  13. Electronic Reporting • DWELR is a secure web application • Available since 2003 • Currently receives @ 70% of data voluntarily • Error detection programs • Water systems can view data

  14. Other Reg Packages • Lab Accreditation • Operator Certification

  15. Other Clarifications • Incorporate how compliance is determined • Clarify that brief description forms must be filed prior to construction

  16. Public Outreach • Worked with EPA Region III staff from 2003 – 2005 • Worked with DEP field staff from 2004 - 2005 • Advisory Committee Activity: • TAC - November 17, 2005 • WRAC - May 10, 2006 • CPAC - November 17, 2006

  17. TAC Comments • Clarify turbidity monitoring and calibration requirements • Use preamble to describe cost and impact of mandatory electronic reporting • Extend implementation date for electronic reporting by water suppliers • Clarify that water suppliers can defer reporting to their lab

  18. Questions?

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