Where does sewage go on an island?
Where does sewage go on an island? There are sewage treatment plants at all (at least I think so) islands... All islands have their own sewage treatment plants. The pipes are hung underneath the wooden walkways - both inbound and outbound.
Why is the water in Hawaii so clean?
The natural currents continually bring a fresh supply of ocean water to the island. Warm surface water in tropical areas have low nutrient concentrations. This limits the amount of zooplankton and phytoplankton which would otherwise cloud the water some.