Table 1. Review primary terms, term descriptions and search terms used for literature identification, study screening and final database development.

Primary Term	Term Description	Search Terms
Population
Groundwater	Environment/Pathway of interest	Groundwater; Aquifer; Well; Waterborne
Jurisdiction	Geographical area of interest	USA/Canada/North America
Outcome
Contamination	Outcome of interest	Contamination; Pollution; Runoff; Faecal Ingress, Presence
Agent
Pathogen	Organisms of interest	Pathogen(ic); Enteric; Virus; Protozoa; Bacteria;Microbial, Indicator, Giardia; Cryptosporidium; Shigella; STEC; VTEC; E. coli; Adenovirus;Enterovirus Campylobacter; Norovirus; Rotavirus