In an ef­fort to ad­dress de­fi­cien­cies in the Wa­ter and Sew­er­age Au­thor­i­ty's (WASA) ser­vice to un­der-served ar­eas in T&T, the au­thor­i­ty will be con­duct­ing a house-to-house sur­vey in the San Fran­cique area on Mon­day.The sur­vey, which al­so func­tions as a cus­tomer ver­i­fi­ca­tion ex­er­cise, will be con­duct­ed by WASA field of­fi­cers.The ex­er­cise, which spans a three-month pe­ri­od has al­ready been con­duct­ed in Bon Air, Arou­ca, Tacarigua, Fyz­abad, Dow Vil­lage and Siparia.