Using geographic information systems to link population estimates to wastewater surveillance data in New York State, USA

Dustin T. Hill, David A. Larsen

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Sewer systems provide many services to communities that have access to them beyond removal of waste and wastewater. Understanding of these systems’ geographic coverage is essential for wastewater-based epidemiology (WBE), which requires accurate estimates for the population contributing wastewater. Reliable estimates for the boundaries of a sewer service area or sewershed can be used to link upstream populations to wastewater samples taken at treatment plants or other locations within a sewer system. These geographic data are usually managed by public utilities, municipal offices, and some government agencies, however, there are no centralized databases for geographic information on sewer systems in New York State. We created a database for all municipal sewersheds in New York State for the purpose of supporting statewide wastewater surveillance efforts to support public health. We used a combination of public tax records with sewer access information, physical maps, and municipal records to organize and draw digital boundaries compatible with geographic information systems. The methods we employed to create these data will be useful to inform similar efforts in other jurisdictions and the data have many public health applications as well as being informative for water/environmental research and infrastructure projects.

Original languageEnglish (US)
Article numbere0001062
JournalPLOS Global Public Health
Volume3
Issue number1
DOIs
StatePublished - Jan 2023

ASJC Scopus subject areas

  • Critical Care and Intensive Care Medicine
  • Public Health, Environmental and Occupational Health

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