▁cause ▁of ▁imp air ment ▁in ▁la kes , ▁p onds , ▁and ▁res er voir s . ▁ ▁Water ▁politics ▁by ▁country ▁ ▁O E CD ▁countries ▁▁ ▁With ▁nearly ▁ ▁of ▁water ▁used ▁per ▁person ▁per ▁year , ▁the ▁United ▁States ▁leads ▁the ▁world ▁in ▁water ▁consumption ▁per ▁cap ita . ▁Among ▁the ▁developed ▁O E CD ▁countries , ▁the ▁U . S . ▁is ▁highest ▁in ▁water ▁consumption , ▁then ▁Canada ▁with ▁ ▁of ▁water ▁per ▁person ▁per ▁year , ▁which ▁is ▁about ▁twice ▁the ▁amount ▁of ▁water ▁used ▁by ▁the ▁average ▁person ▁from ▁France , ▁three ▁times ▁as ▁much ▁as ▁the ▁average ▁German , ▁and ▁almost ▁eight ▁times ▁as ▁much ▁as ▁the ▁average ▁D ane . ▁A ▁ 2 0 0 1 ▁University ▁of ▁Victoria ▁report ▁says ▁that ▁since ▁ 1 9 8 0 , ▁overall ▁water ▁use ▁in ▁Canada ▁has ▁increased ▁by ▁ 2 5 . 7 %. ▁This ▁is ▁five ▁times ▁faster ▁than ▁the ▁overall ▁O E CD ▁increase ▁of ▁ 4 . 5 %. ▁In ▁contrast , ▁nine ▁O E CD ▁nations ▁were ▁able ▁to ▁decrease ▁their ▁overall ▁water ▁use ▁since ▁ 1 9 8 0 ▁( Sw eden , ▁the ▁Netherlands , ▁the ▁United ▁States , ▁the ▁United ▁Kingdom , ▁the ▁Czech ▁Republic , ▁Luxemb ourg , ▁Poland , ▁Finland ▁and ▁Den mark ). ▁ ▁India ▁ ▁India – B ang l adesh ▁ ▁The ▁G anges ▁is ▁disput ed ▁between ▁India ▁and ▁Bang l adesh . ▁The ▁water ▁res erves ▁are ▁being ▁quickly ▁de