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The Ground Water Rule and the Implications in Drinking Water Treatment: A Case Study

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The recently promulgated Ground Water Rule, which was published on November 8, 2006, will impact drinking water systems across the United States. The goal of the Ground Water Rule is to provide increased protection against microbial pathogens in Public Water Systems (PWSs) that use ground water source(s). All PWSs that serve ground water, including those that blend with surface water, must comply with the rule.

The presentation will focus on a case study from California Water Service Company (CalWater). CalWater currently manages and/or operates 64 systems in the State of California. All but a few of these systems rely on ground water and therefore may be highly impacted by the Rule and its monitoring and possible treatment requirements. For this project, CalWater worked together with Malcolm Pirnie to develop an approach that would identify systems that could be impacted by the Rule and the costs associated with meeting the Rule's requirements.

Document Type: Research Article


Publication date: January 1, 2008

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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