a public water system which serves a residential population such as a municipality, mobile home park or nursing home
A public water system which serves at least 15 service connections used by year-round residents or that regularly serves at least 25 year-round residents. Compare non-community water system.
A public water system that serves year-round residents of a community, subdivision, or mobile home park that has 15 service connections or an average of 25 residents for 60 days/year.