adjective
- relating to pollution that comes from many diffuse sources rather than a single identifiable source
Usage: environmental science
Examples
- Nonpoint source pollution from agricultural runoff affects water quality.
- The EPA regulates both point and nonpoint sources of contamination.
- Urban stormwater is a major nonpoint pollution source.
- Nonpoint pollution is harder to control than point source pollution.
- Fertilizers from lawns contribute to nonpoint nutrient pollution.
- The watershed study focused on nonpoint source impacts.