Abstract
Edku lake lay on the west branch of rashid, 40 km from Alexandria governorate, the lake relate
to northern side of the western Mediterranean Sea through Almadia Bogaz. As for the sources of
water supply is from salt and fresh water. This paper aims to shed light on the effect of Edku lake
pollution and compute the effect on lake pollution on income and Maximum sustainable yield
and the expected production under these conditions in 2015.