4.1. ERMUSR 01-08-2013 - Laserfiche WebLink

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The Drinking Water Supply Management Area (DWSMA) is shown in Figure 1 and is the focus of this plan. The vulnerability of the DWSMA to contamination is based upon an assessment of the 1) geologic protection covering the aquifer, 2) rate at which the aquifer is recharged, and 3) groundwater chemistry including the presence of contaminants of human origin. The ERMU has assigned priorities for managing potential contaminant sources that have been inventoried within its DWSMA. The inventory was based on 1) the DWSMA vulnerability, 2) the information contained in various state agency databases, and 3) information that the ERMU collected about current and historical land uses. Potential contamination sources that were assigned a high risk were given priority for inventory in the highly vulnerable portion of the DWSMA. The risk assigned to the potential source was based on 1) evidence that contaminants are present in the water supply, 2) the potential health impacts of the contaminant and (30) the quantity of potential contaminant attributed to the source contaminant's toxicity to people. Wellhead Protection Goals for the ERMU — • Maintain a safe and adequate drinking water supply for community residents that continues to meet the safe drinking water requirements for protecting the public's health, safety and general welfare of the community • Educate the general public regarding the principals and importance of water conservation and collecting additional data to support future delineation in order to promote the proper use of drinking water resources and monitor the geologic condition of Well ft 5. The following table illustrates action items that the ERMU has identified to meet the goals of its WHP plan. Further discussion of them and those of state and local government are presented in the Objectives and Plan of Action section of this plan. Summary of Wellhead Protection Actions Wellhead Protection Action Item Descriptions IN Cr e c x n r N n N C C N e n Provide ERMU residents with a pamphlet or bill stuffer that explains the importance of WHP and the need to seal priority unused wells and the Annually ERMU's willingness to support programs to find funding available. Request assistance from MRWA. Distribute materials to property owners in and outside of the ERMU limits within the DWSMA relating to the proper management of wells Continue to provide tours of the water plant to educate school children on the importance of WHP, conservation and protection Annually vii