Nutrient pollution can have various effects on human health, the environment and the economy.

Nutrient pollution and harmful algal blooms cause major environmental damage as well as serious health problems in people and animals.

Nutrient pollution and algal blooms also take a toll on the economy, hurting industries and sectors that depend on clean water. Federal, state and local governments spend billions of dollars per year to combat nutrient pollution or prevent its effects.

Learn more about:

• Human health effects
• Environmental effects
• Economic effects