▁The ▁Alliance ▁for ▁Water ▁E ffic iency ▁is ▁a ▁non - pro fit ▁group ▁that ▁prom otes ▁the ▁efficient ▁and ▁sust ain able ▁use ▁of ▁water . ▁The ▁group ' s ▁activities ▁include ▁advoc acy , ▁research , ▁and ▁training . ▁The ▁group ▁received ▁early ▁support ▁from ▁the ▁U . S . ▁Environment al ▁Prote ction ▁Agency . ▁ ▁Member ▁organizations ▁ ▁The ▁Alliance ' s ▁network ▁of ▁members ▁includes ▁nearly ▁ 5 0 0 ▁st ake hold ers ▁( including ▁American ▁R ivers , ▁Koh ler ▁Company , ▁Metropolitan ▁Water ▁District ▁of ▁Southern ▁California , ▁Rain ▁Bird , ▁Southern ▁Nev ada ▁Water ▁Author ity , ▁and ▁T oto ▁USA ) ▁working ▁to ▁improve ▁water ▁efficiency ▁and ▁conservation ▁nation wide . ▁ ▁Awards ▁▁ ▁U . S . ▁Environment al ▁Prote ction ▁Agency ▁Water S ense ▁Ex cell ence ▁Award ▁for ▁Str ateg ic ▁Coll abor ation , ▁ 2 0 1 2 , ▁ 2 0 1 7 , ▁ 2 0 1 8 ▁ ▁U . S . ▁Water ▁Alliance , ▁U . S . ▁Water ▁Prize , ▁ 2 0 1 4 ▁ ▁See ▁also ▁▁ ▁Water ▁E ffic iency ▁ ▁Water ▁Conserv ation ▁ ▁Water ▁Supp ly ▁and ▁San itation ▁in ▁the ▁United ▁States ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Official ▁website ▁ ▁Home ▁Water ▁Works ▁( A ▁project ▁of ▁the ▁Alliance ▁for ▁Water ▁E ffic iency ) ▁ ▁Fin ancing ▁S ust ain able ▁Water ▁( A ▁project ▁of ▁the ▁Alliance ▁for ▁Water ▁E ffic iency ▁ ▁Category