Septic systems
True or false - Septic systems provide treatment for multiple houses
FALSE
True or false- Treatment plants only provide treatment for individual houses
FALSE
How do oil spills harm drinking water sources?
Oil spills leave a residue and chemicals that are impossible to fully clean up. It also damages the sea life with possibilities of ingestion and physical contact.
What do the water loving plants that grow in wetlands do?
They filter and purify water.
True or False- The treatment plant is the most expensive facility in most communities
TRUE
How do factories harm the drinking water sources?
Foreign chemicals from factories are a danger to sea life
Where are Septic systems usually found?
Rural houses
What is a wetland?
Land that's saturated with water for long periods of time
What does air pollution do to harm drinking water sources?
Polluted water from precipitation falls on the waters surface
Name the two things that filter out contaminants
Roots and soil
How much does a treatment plant cost for 50,000 people?
$40,000,000
How do power stations harm drinking water sources?
Sometimes they release warm water, which harms sea life. The warm water also causes excessive plant growth, which can change entire ecosystems and their biodiversity.
Explain the 5 step process for Septic system treatment
1- Collected wastewater enters septic tank
2- Bacteria within break down the wastewater into sludge, scum, or rest
3- Sludge sinks, scum floats, and rest flows in perforated pipe
4- The pipes lead to soil, and bacteria digest the waste remaining
5- Filtered water returns to groundwater supply
Explain the 5-step process for Wastewater treatment
1- Wastewater passes screens to get rid of garbage
2- Grit chamber gets rid of small particles
3- Solids sink and scum is skimmed in the primary tank
4- Organic waste is removed in the Aeration tank
5- Water cleaned with chlorine and returned to rivers
What does Run-off from farms contain and how does it harm drinking water sources?
Run off from farms contain- Fertilizers, pesticides, and other unwanted chemicals. Fertilizers can cause excessive plant growth, disrupting the biodiversity of an ecosystem. Pesticides and other chemicals can kill or (fatally) damage aquatic animals and plants.