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Ensc 402: Water And Sanitation. Question Paper

Ensc 402: Water And Sanitation.

Course:Bachelor Of Science In Environmental Science

Institution: Egerton University question papers

Exam Year:2018

EGERTON UNIVERSITY EXAMINATION,NJORO CAMPUS.

FIRST SEMESTER-SESSION I 2017/2018 ACADEMIC YEAR.

FOURTH YEAR EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN ENVIRONMENTAL SCIENCE.

ENSC 402:WATER AND SANITATION.

TIME:2HOURS.

INSTRUCTIONS.
(i) Answer All questions in Section A and any Two in Section B.
(ii) Use illustrations where necessary.

SECTION A[40MARKS].

Question One.
(1) Egerton university uses oxidation lagoons coupled with a constructed wetland for wastewater treatment.Describe the wastewater treatment processes in the facility that contributes to pathogen,nutrient and heavy metal removal.[10marks]

Question Two.
Many of the geologic formations within Nakuru and Baringo counties host elevated levels of arsenic and fluoride.Outline the likely impacts of these two elements on water quality, and human and environmental health.[10marks]

Question Three.
(3) Describe the urine-diverting dry-toilets (UDDTs) technology in human waste management including its advantage and limitations. [10marks]

Question Four.
(4)Describe the following waterborne and water-related diseases in terms of:cause, effects and interventions:
(a) Dengue Hemorrhagic Fever.[3marks]
(b) Dracunnculiasis.[3marks]
(c) Schistosomiasis.[4marks]

SECTION B[30MARKS].

Question Five.
(5) The International Conference on Water and Environment of 1992 submitted the Dublin statement on water and sustainable development. Outline and discuss the Dublin Principles and their impact in the development and management of water in Kenya.[15marks]

Question Six.
(6) Discuss the concept of Integrated Water Resources Management outlining and describing the key principles and the conditions for its implementation.[15marks]

Question Seven.
(7) Discuss the redefined roles and responsibilities for management,development, and regulation of water resources and water services for the following bodies established under the 2016 Water Act:[15marks]
(a) Water Tribunal
(b) Water Sector Trust Fund.
(c) National Water Storage Authority.
(d) Water Resource Authority.
(e) Basin Water Resource Committee.
(f) Water Resource Users Association.
(g) Water Services Regulatory Board
(h) Water Works Development Agencies.

Ensc 402: Water And Sanitation. Question Paper

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