Green Infrastructure

Combined sewer overflow events (CSOs) occur during heavy precipitation and can overwhelm sewer systems. During this event...

• untreated sewage, rain water & grey water are released into a body of water

• untreated sewage, groundwater & greenwater are released into a body of water

• just untreated rain water and runoff are released into a body of water

• just treated sewage is released into a body of water

Tags

NGSS.MS-ESS3-4

During a CSO event, dissolved oxygen levels decrease because...

• bacteria in biological waste use it for cellular respiration

• algae uses it for photosynthesis

• biological waste react with the dissolved oxygen

• runoff uses it up

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is a benefit of a sanitary sewer system?

• sewage is always sent to a waste water treatment plant no matter the weather

• rainwater and runoff is always returned directly back to a freshwater source

• these sewer systems cost more money to maintain two sets of pipes

What is a pitfall (negative) to having sanitary sewer systems? (Select all that apply)

• this system separates sewage from storm water

• rainwater and runoff goes untreated before it enters a body of water

• these sewer systems cost more money to maintain two sets of pipes

Where are nitrates and phosphates found?

• Fertilizer

• Manure

• Detergent

• Fecal matter

• All of the above

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Pollutants entering waterways from a general area, such as runoff from farmland or a parking lot from a suburban community are both examples of...

• decomposition

• point source pollution

• non-point source pollution

• turbidity

Tags

NGSS.MS-ESS3-4

What is the purpose of a rain garden? (Select all that apply)

• Reduce the amount of runoff

• Reduce the amount of pollutants entering our water ways

• Reduce the number of CSO events

• Increase the amount of runoff

• Increase the amount of impervious surfaces

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

What is this an image of?

• Rain barrel

• Rain garden

• Rain guard

• Biofuel container

Tags

NGSS.MS-ESS2-4

How does a rain barrel help maintain our fresh drinking water sources and aquatic ecosystems?

• Reduces the amount of storm water / runoff that enters these bodies of water

• Increases the value of a property

• Protects against thermal pollution

• Increases the ability for the homeowner to water their garden

Tags

NGSS.MS-LS2-1

Where would you expect to find rain gardens?

• In areas of low elevation to intercept runoff from collecting in combined or storm sewers

• In areas of high elevation to intercept runoff from collecting in combined or storm sewers

Tags

NGSS.MS-ESS3-4