Pollution Sources

Bacteria & Viruses
Bacteria is washed with animal excrement and leakage from sewers and septic tanks into waterways. These organisms can cause disease in both animals and humans. Biological contaminants come from litter, organic matter, and animal waste.

Businesses
Fuel, soap from equipment washing, waste process water, hazardous liquids.

Construction
Sediment, wash water from concrete mixers, used oils and solvents, landscaping materials (trees, shrubs, soil additives), vehicle fluids (oil, gas and antifreeze).

Floatables
Floatables are pieces of litter in the water. They may be contaminated with toxic chemicals and bacteria. Commonly observed floatables include cigarettes, plastic containers, wrappers, and cans. Floatables such as these are generally the result of careless handling practices or littering.