Sewage pollution from last week's accidents is dissipating in places but growing worse in other areas as wastewater moves from a lagoon to the shoreline, environmental health officials said Monday.
At the same time, San Diego announced a cleanup plan for about 1 million gallons of sewage that have pooled in a tributary of Los Peñasquitos Lagoon.
Tests announced Monday showed the bacteria levels are still far above state standards at beaches near the lagoon mouth. Closures are likely to remain in place through the week at the hardest hit spots because health officials require two days of clean samples before they clear beaches for human use.
"Actually, a lot of the numbers are going up," Mark McPherson, chief of water quality of the county's Department of Environmental Health, said Monday afternoon. "We are still seeing the effects of the spill coming out of the lagoon.... It's going to take awhile."
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