% ▁rely ▁on ▁water ▁k ios ks ▁and ▁stand pip es . ▁Conc ern ing ▁san itation , ▁only ▁ 1 9 % ▁of ▁the ▁urban ▁population ▁are ▁connected ▁to ▁se wers ▁while ▁another ▁ 6 0 % ▁are ▁served ▁by ▁sept ic ▁t anks ▁or ▁improved ▁household - level ▁lat r ines . ▁ ▁Source : ▁J oint ▁Mon itor ing ▁Program ▁for ▁Water ▁and ▁San itation ▁of ▁W HO ▁and ▁UN ICE F ▁ ▁A ▁key ▁data ▁sources ▁for ▁these ▁access ▁figures ▁is ▁the ▁Sen eg al ese ▁survey ▁as ▁part ▁of ▁the ▁W HO ' s ▁World ▁Health ▁Survey ▁of ▁ 2 0 0 3 . ▁The ▁figure ▁for ▁access ▁to ▁an ▁improved ▁source ▁of ▁water ▁in ▁urban ▁areas ▁reported ▁in ▁the ▁survey ▁( 9 2 %) ▁is ▁somewhat ▁lower ▁than ▁the ▁figure ▁reported ▁by ▁the ▁utility ▁S DE ▁and ▁subsequently ▁quoted , ▁among ▁others , ▁by ▁the ▁World ▁Bank ▁( 9 8 %). ▁ ▁Service ▁quality ▁▁ ▁Water ▁supply ▁in ▁most ▁cities ▁in ▁Dak ar ▁and ▁most ▁other ▁cities ▁in ▁Sen eg al ▁is ▁continuous . ▁In ▁ 1 9 9 4 , ▁service ▁was ▁still ▁provided ▁ 1 6 ▁hours ▁per ▁day ▁on ▁average . ▁Fac ed ▁with ▁an ▁increasing ▁demand ▁from ▁newly ▁connected ▁users ▁and ▁constraints ▁on ▁water ▁resources , ▁the ▁private ▁operator ▁initially ▁only ▁distributed ▁the ▁supply ▁inter ru ptions ▁more ▁equ it ably ▁among ▁neighborhood s ▁in ▁Dak ar . ▁However , ▁the ▁average ▁hours ▁of ▁supply ▁per ▁day ▁were ▁increased ▁to ▁ 1 9