ground water
preferred label: آب زیرزمینی @fa
type: Concept
related: nonpoint source

pollution
preferred label: آلودگی @fa
type: Concept
related: nonpoint source

point source
preferred label: منبع نقطه‌ای @fa
type: Concept
related: nonpoint source

nonpoint source
related: point source
related: water quality
related: pollution
related: ground water
related: surface water
preferred label: منبع غیرنقطه‌ای @fa
type: Concept

water quality
preferred label: کیفیت آب @fa
type: Concept
related: nonpoint source

surface water
preferred label: آب سطحی @fa
type: Concept
related: nonpoint source