seepage

The science shows the pollution problem in Lough Neagh comes largely from agriculture, with some from wastewater processing, septic tank seepage and industrial pollution around the shores.

The accident took place after a slab of concrete covering seepage on the roof slipped and fell off.

The samples are more characteristic of “freshly produced” oil typical of natural seepage, according to officials.

March 11, 2024An earlier version of this article stated that a Coast Guard official said the oil spill was caused by natural seepage from the ocean floor off Huntington Beach.

“We don’t know what caused the natural seepage to be so much.”