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- Can degrade some contaminants
- Maintain ecosystem balance
UNLESS:
- Too many pollutants
- Pollutants are extremely toxic
Definition: the process by which natural waters lose their oxygen because of an excessive accumulation of organic matter and nutrients
Point Source: known origin of pollution
Non-Point Source: spread pollution, hard
to locate exact location
- Added warm water raises overall
water temperature
- Reduces oxygen concentration
of water
- Harms fish etc
- Endanger the quality of drinking water
- Damage ecosystems
- Reduce the natural beauty of landscapes