D.O. and B.O.D. Home › Forums › Public Forums › General Plumbing › D.O. and B.O.D. This topic has 1 reply, 2 voices, and was last updated 20 years, 10 months ago by mikeinpa. Viewing 1 reply thread Author Posts 18 Jun 2003 at 8:29 pm #276706 MasterPlumbersKeymaster Can somebody tell me what these abreviations mean from a water test- It is in a lake with fish in it. 18 Jun 2003 at 8:54 pm #294630 mikeinpaParticipant DO is the dissolved oxygen in the water and the BOD is the bio chemical demand ,which is used to find the bacteria levels in the water Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In