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esm223_02_Lecture_Notes_smallsize - Spring 2007 Norm Brown...

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1 ESM 223 Lecture 2 – Overview of Soil and Groundwater Resource Management Spring 2007, Norm Brown 2 Administrative Reminders: Office Hours BH3408 – 11.50-13.30 MW or by appointment Duplicate posting of lecture notes and other digital documents: http://waterresourcescience.com * A comment about lecture notes… Email : [email protected] Library Reference Materials: Watts; Reader 3 Todd and Mays, 2005 4 Summary • Water Quality Constituents Managed –Chem is t ry – Operations and Management Strategies – Spatial Distribution & Migration • Differences between soil, vadose and drinking water supply aquifer wrt management options • Localized v. Distributed
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Summary (continued) Management Goals – Focus on end result: Monitoring, Prevention, Load Reduction, Waste Management, Remediation, Restoration – Focus on supply: Monitoring, Supply utilization and efficiency, Reliability Water Quality Management integrates defined contaminant and supply goals with financial, legal & institutional considerations. Adaptive management. Timeframes, sustainability and energy implications 6 Summary (continued) Getting it done: Who takes the lead? – Different parties with different problems and goals – Authorities and institutional mechanisms – Technical considerations Addressing uncertainty – E.g., PPCPs; see NYT article with next reading 7 Water Quality Standards • Drinking water standards • Maximum contaminant levels • National recommended water quality criteria • California Toxics Rule • Goals v. Standards; Surface water – Groundwater • Testing requirements – Different classes of site or water use 8 CVRWQCB, 2003 Note there are differences between surface water and groundwater; e.g., CTR & NTR are for aquatic life and exposure to surface water and are not applicable to groundwater drinking water sources. However, for
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