IT IS LOCATED AT BAN KAENG SUEA TEN, TAMBON NONG BUA, AMPHOE PHATTHANA NIKHOM,LOPBURI.THE PA SAK JOLASID DAM OR PA SAK JOLASID DAM IMPOUNDS THE PA SAK RIVER AT BAN KAENG SUEA TEN, TAMBON NONG BUA, PHATTHANA NIKHOM DESTRICT, LOPBURY PROVINCE, THAILAND. IT IS THE BIGGEST RESERVOIR IN CENTRAL THAILAND.