Lake Region
E2 pH (Q) Aswan Dam Depth [m] Jun 1976 Mar 1984 Jul 1985 Sep 1986 Surface 8.2 7.0 (Nov) - - 1 - 8.1 7.9 - 15 - - - 8.0 20 - - 7.5 - 22 - 8.1 - - 28 - - - 8.0 Bottom - - 7.9 -