@MISC{14purpose, author = {}, title = {Purpose}, year = {2014} }
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Abstract
The purpose of this memorandum is to provide additional information requested by WDNR on the public health and environmental impacts of water supply alternatives for the City of Waukesha, Wisconsin. This memorandum has been updated from a draft provided May 23, 2012 to summarize information included in Section 11 of the Water Supply Service Area Plan (Volume 2 of the Application) and the Environmental Report (Volume 5 of the Application). The changes to impacts are limited to clarification on baseflow reductions in surface water streams and addressing comments on subsequent groundwater modeling. The water supply average day demand has been adjusted from 10.9 million gallons per day (mgd) to 10.1 mgd. Analysis Approach The public health and environmental information for evaluation of water supply alternatives were developed to compare the relative impacts of one water supply alternative to another. Documentation of how this information was defined and evaluated is included below. Public Health Microbiological All water sources have some microbiological pathogenic risk. As a result, disinfection is included for all water supply alternatives to reduce this risk and meet drinking water regulations. While data were not available for