Public Water Supplies

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Originator: New Hampshire Department of Environmental Services
Publication_Date: 20050630
Title: Public Water Supplies
Geospatial_Data_Presentation_Form: vector digital data
Other_Citation_Details:: To obtain this data, please download from the New Hampshire Department of Environmental Services GIS One-Stop Site: <URL:http://www.des.state.nh.us/gis/onestop/>
Online_Linkage:: <URL:http://www.granit.sr.unh.edu/cgi-bin/nhsearch?dset=publicwatersupplies/nh>

Description:

Abstract:: This dataset is a point database representing wells, surface water, or treatment entities that are part of a public water supply system in New Hampshire permitted through the Water Supply Engineering Bureau of NHDES. Public water system is defined under the Federal Safe Drinking Water Act. Initial development of the Public Water Supplies coverage was performed by a private contractor (NUS Corporation) for the U.S. EPA, Region 1 during the summer field season of 1991. Following receipt of the data, the NHDES Water Supply and Pollution Control Division's Water Supply Engineering and Groundwater Protection Bureaus performed substantial quality control/quality assurance. In addition, the Water Supply Engineering Bureau and the Water Resources Division's Water Management Bureau located numerous sources that had been missed during the initial data collection or had subsequently been constructed or discovered. Most of the dataset was acquired by GPS and differentially corrected, however a small amount was acquired with various paper reference maps.
Purpose:: Dataset is used by several programs at NHDES to help maintain other water resources, such as source water protection areas and well head protection areas.

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