Flow through apparatus for UV disinfection of water

A system for disinfecting contaminated water comprising:

• a vessel for contaminated water and having a vessel inlet and a vessel outlet;
• an elongate housing disposed generally vertically in said vessel, said housing having a housing inlet, a housing outlet and a bottom wall, said housing outlet being in open communication with the interior of said vessel;
• an elongate, UV light assembly generally vertically disposed in said housing, said light assembly comprising a pair of vertically extending first and second partitions and an elongate UV bulb disposed between said first and second partitions, said first and second partitions and said UV bulb serving to divide said housing into a first portion in open communication with said housing inlet and a second portion in open communication with said housing outlet, said first portion defining a first vertically oriented first flow pathway, said second portion defining a second vertically oriented second flow pathway, said first flow pathway and said second flow pathway being opposite in direction to each other and both said first and second flow pathway are exposed to radiation from said elongate UV bulb, said first flow pathway being in open communication with said housing inlet for flow of contaminated water from said vessel and said second flow pathway being in open communication with said housing outlet and said first flow pathway for flow of water out of said housing and into said vessel;
• and
• a flow inducer aiding flow of at least some of said contaminated water from said vessel through said housing and out said housing outlet.