Wisconsin or berm mound septic systems Home › Forums › Archives › Old Bulletin Board Archives › Wisconsin or berm mound septic systems This topic has 0 replies, 1 voice, and was last updated 25 years, 8 months ago by Kenneth Beesley. Viewing 0 reply threads Author Posts 5 Aug 1998 at 2:49 pm #281084 Kenneth Beesley Where can I find specs and design information on mound type septic systems. thanks! Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.