Definition of non-point source in English:

non-point source


  • A source of pollution that issues from widely distributed or pervasive environmental elements.

    ‘cattle are the leading non-point source of pollution in Canada today’
    Compare with point source
    • ‘As he points out, good forestry is part of the solution to nonpoint source pollution.’
    • ‘Water bodies can violate water quality standards because of either point source or nonpoint source pollution.’
    • ‘In its program, a state or territory describes how it will implement nonpoint source pollution controls, known as management measures.’
    • ‘Shallow curtain drains that intersect untreated wastewater are an important source of nonpoint source pollution in Ohio and should never be used.’
    • ‘These factors are consistent with nonpoint sources such as septic fields, residential lawn fertilizers, and agricultural fertilizers.’