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Common Pollutants

Did You Know?

Have you ever stopped to think about the effects stormwater has on our rivers and streams? It may not seem like a big deal but stormwater can have major negative effects on our waterways, mainly because its runoff can carry many pollutants. Nutrient rich materials and pathogens are two of the most common pollutants infecting our waterways.

The nutrients nitrogen and phosphorus are the primary pollutants in stormwater. Each can cause plant and algae blooms some of which pose a fatal risk to swimmers or pets. These materials lower oxygen levels, which is dangerous for fish and other aquatic life. Common sources include fertilizer and eroded soil.

Pathogens such as bacteria, protozoa, and viruses are also found in stormwater. They come from animal sources including improperly disposed pet waste and livestock manure as well as ailing home septic systems.

You can help prevent these types of pollutants from entering our waterways. Applying nutrients at the right time of year, in the right amounts can help control nitrogen and phosphorus runoff. It is also best to avoid using such materials in high-risk spots such as near waterways, sinkholes and wells. Pathogens can be controlled by cleaning up pet waste, managing manure properly and by pumping septic tanks regularly, before they reach capacity.

Thank you for doing your part in keeping Germantown’s waterways safe and healthy for all to enjoy.

What you can do in your yard

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