Assertion: aquifer's groundwater | /r/HasProperty | vulnerable
Facets:
value: highly
type: DEGREE
value: to pollution
type: CAUSE
Source sentences:
text: Where the weathered aquifer and groundwater levels are shallow, groundwater is vulnerable to microbiological and nitrate contamination from latrines.
text: Groundwater is stored underground in aquifers, and is highly vulnerable to pollution.