1. Line powered drain-field and/or tank: Leachfields, Area beds, Sand filters, Cesspools etc. with permanent hardwired connections. Monitoring for management and early detection of high levels and other problems, demonstrate excess capacity, long term documentation of performance and maintenance history for future property transfer. Includes septic tank only installations for early detection of high levels to warn of potential backups, detection of high levels indicating effluent filter needing cleaning, documentation of pump-out history.