Crapshoot Flashcards
What year were sewage systems invented?
600 BC
What do Canadian dump their sewage into?
Coastlines
What happens if pollution or waste enters our water system?
Marine and land animals consume it
How have sewage systems changed over time?
The collection of waste, water is able to transport waste, during the 19th century toilets could be flushed anywhere
Issues with the Ganges River
Water pollution, more sewers are joining the river and collecting the sewage to make the river water septic, water isn’t safe to consume or bathe in, the dissolved oxygen level is going down, it’s hard for aquatic life to survive
Reclaimed water
water that has been reused and treated for use in agriculture and irrigation, potable water supply, groundwater replenishment, industrial activities, and environmental rehabilitation
Sludge
after treatment, sewage sludge is dried and disposed of in a landfill, used as fertilizer for agriculture, or bagged and sold as “biosolid compost” for use in agriculture and landscape