Discuss how the principle of sand filtration has evolved and the impact that it has had in conjunction with chlorination on the occurrence of waterborne diseases.

ENVM 585: WATER AND WASTEWATER TREATMENT

Each question is worth 10 points.

1. Discuss how you would go about collecting data for an analysis of the water budget of a region.
2. Discuss how the principle of sand filtration has evolved and the impact that it has had in conjunction with chlorination on the occurrence of waterborne diseases.
3. Discuss the differences in the quality of water obtained from groundwater sources and water obtained from surface water sources.
4. Discuss thermal stratification, how it may cause a water quality issue that needs to be addressed and a treatment method to deal with the problem.