Open drain is a big concern for the society now-a-days because they create unhygienic conditions. It provides favourable conditions to flies, mosquitoes and other insects to breed and spread a number of diseases.
State whether the following statements are True or False. In case a statement is false, write the correct statement. Where underground sewerage systems and refuse disposal systems are not available, the high cost on-site sanitation system can be adopted.
Answer
False.
Where underground sewerage systems and refuse disposal systems are not available, the low cost onsite sanitation system can be adopted.
State whether the following statements are True or False. In case a statement is false, write the correct statement.
Sewage is a solid waste which causes water pollution and soil pollution.
Answer
False.
Sewage is a liquid waste which causes water pollution and soil pollution.
One can avoid the addition of the load in $WWTP$. Justify.
Answer
By following proper sanitation and house-keeping practices, by creating less waste at an individual level, we can avoid the addition of the load in wastewater treatment plant.
Why chemicals should not be released in the drain?
Answer
Chemicals like paints, solvents, insecticides should not be thrown down the drain as it may kill the useful microbes that help to decompose the waster present in the sewage.