The surface and subsurface area surrounding a source of drinking water (a water well, wellfield, or surface water intake), supplying a public water system, through which contaminants are reasonably likely to move toward and reach the source of drinking water.
(subsurface area; surrounding; a source of drinking water) (The surface and subsurface area; supplying; a public water system, through which contaminants are reasonably likely to move toward and reach the source of drinking water) (contaminants; are; reasonably likely to move toward and reach the source of drinking water; L:a public water system) (contaminants; to move; toward) (contaminants; to reach; the source of drinking water)
subsurface area The surface and subsurface area contaminants contaminants contaminants
surrounding supplying are to move to reach
a source of drinking water
a public water system, through which contaminants are reasonably likely to move toward and reach the source of drinking water
reasonably likely to move toward and reach the source of drinking water L:a public water system
toward
the source of drinking water