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Stormwater Runoff

Stormwater Runoff. Pollution enters water from stormwater runoff after rains Stormwater runoff from inside this line can end up in Tampa Bay via creeks, canals, or storm sewers. The “watershed” for Tampa Bay includes nearly ALL of Hillsborough County

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Stormwater Runoff

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  1. Stormwater Runoff • Pollution enters water from stormwater runoff after rains • Stormwater runoff from inside this line can end up in Tampa Bay via creeks, canals, or storm sewers. • The “watershed” for Tampa Bay includes nearly ALL of Hillsborough County • Pinpoint your school location and identify nearby creeks, canals, or lakes. Where does the water go? Direction of water flow This is a “Watershed Map”

  2. Nitrogen: Too Much is a Bad Thing! • Nitrogen • is an essential plant nutrient but • excess amounts of nitrogen cause algae growth that clouds water, robs it of oxygen, and causes seagrasses (and other plants) to die • Have you ever seen a green, scummy lake? It could be too much nitrogen!

  3. Nitrogen: Too Much is a Bad Thing! • How Nitrogen Enters the Bay: • wastewater (sewage) discharges • stormwater runoff carrying excess fertilizer residues. Nitrogen is a key ingredient in fertilizer. Stormwater runoff also carries pesticide residues, as well as trash, spilled gas and oil. • A significant amount of nitrogen in the bay also comes from air pollution--power plants and automobiles (NOX)

  4. Preparing your graphic organizer for notes on “Threats to the Bay”

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