Drain Field Home › Forums › Archives › Old Bulletin Board Archives › Drain Field This topic has 0 replies, 1 voice, and was last updated 25 years, 9 months ago by allvintagefinder. Viewing 0 reply threads Author Posts 28 Jun 1998 at 12:27 am #281729 allvintagefinder I would like to separate my grey water from my septic system. I need information on how to install a grey water drain field. Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.