Innovative Wastewater Technologies - WEc2 Implementation Water-Conserving Fixtures Installed waterless urinals Installed water-conserving dual-flush toilets 3.0 to 4.8 lpf (0.8 to 1.3 gpf) Installed a second 7.5 m3 (1,982 gal) cistern to store rainwater for flushing toilets Required to reduce potable water use for sewage conveyance by 50% Actual potable water use reduction is 82%