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Study guide

The Long Island Sound (LIS) Watershed

Quiz date: Friday, February 4

Important vocabulary:

Watershed Wetland

Groundwater Surface runoff

Estuary Nonpoint source pollution

Point source pollution Hypoxia

Sewage treatment plant Pathogen

Septic system

Label the following diagrams:

$ the Housatonic River watershed

$ the 8 watershed basins that drain into LIS

$ a simplified water cycle diagram

$ a typical septic system

$ a tertiary sewage treatment plant

Describe:

1.  What criteria are used to determine the boundaries of a watershed.

2.  What force carries molecules of matter into a watershed basin.

3.  Explain how nonpoint source pollution differs from point source pollution.

4.  Identify at least 2 types of nonpoint source pollution and 2 types of point source pollution.

5.  What types of things should NEVER be put “down the drain.”

Evalute:

1.  Explain the role of septic and sewage systems on the quality of surface and groundwater.

2.  Explain how most precipitation that falls on Connecticut eventually reaches LIS.

3.  Compare and contrast the general structures, processes and limitations of a septic system to a secondary wastewater treatment plant.

4.  Explain how human activity (especially point and nonpoint source pollution) may impact water resources (ponds, rivers, the LIS ecosystem) in Connecticut.

5.  Describe the effects of excessive nutrients (especially nitrogen) in an aquatic ecosystem.