Estimated Service Area Map for Tennessee Community Water Systems FIGURE 1
FIGURE 2
Creating Geospatial Community Water System Representation
Database & Management
Verification
Digitization
Data use agreement and memorandum of understanding Secure server and file transfer protocols Define user access levels Security
DWJ Lab quality assurance Partner review Merge, review, and refine overlaps, and repeat the process
Digitized maps are compiled in geospatial software Methodology developed in consultation with partners
Database content Database structure Database software
Coordinate collection and scanning of hand-drawn maps and physical maps Coordinate transfer of PDFs and shapefiles Data Collection
Partner-driven attribute and symbology standardization process Document metadata Standardization
DWJ Lab = Vanderbilt University Drinking Water Justice Lab.
information of a CWS, including recently posted monitoring data and violation history. Having the CWS boundaries in an interac- tive map addresses important public health
gaps by highlighting potential environmen- tal health hazards during drinking water advisories or boil water notices. Often resi- dents might not know which water utility
their home is connected to, and government agencies have no way of quickly identifying which portions of counties are impacted dur- ing drinking water emergencies or large-scale
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July/August 2024 • Journal of Environmental Health
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