4. ConclusionIn order to increase t

4. Conclusion
In order to increase the quality of water to the population of the rural mountains of PNG a gravity feed water
treatment system that utilizes UVA radiation from the sun has been designed. The water treatment system can be
easily made from simple materials including timber, glass tubes and metalized plastic and as it has no moving parts
is easy to operate and maintain. Testing shows that a rudimentary system consisting of three modules can treat 34
Liters of water in 4 hours from an initial E. coli concentration of 8