Stormwater runoff from parking lots, washdown pads, and other hard-packed or paved surfaces has the potential to carry a significant amount of pollutants into our waterbodies. Runoff from land-based harbor and boating activities can contain metals, oils and grease, bacteria, suspended solids, and other pollutants into harbor basins. The highest concentrations of these pollutants occurs in the runoff from the first half to one inch of rainfall, depending on the intensity of a storm event.
Reducing the impacts of stormwater runoff can be done in 2 important ways:
- Minimizing the flow of rain water directly into the harbor
- Reducing the pollutants on land that could be carried by rain water