Microbial water quality of Lake Qarun, Fayoum, Egypt
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Abstract
The standard (heterotrophic) plate count proved the most valuable and sensitive tool for routine moni-toring of water quality and treatment efficiency. The highest bacterial counts in Lake Qarun water during
summer and spring were in parallel with high water temperatures during these seasons. The bacterial counts increased with increasing turbidity (low transparency) especially in El-Batts and El-Wadi Drains and
at mixing areas in the lake, in front of the discharging points of both drains.