An opening through a seawall, set low on the face, that lets water trapped behind the wall drain out as the tide falls. Without drainage, water pressure builds on the land side and pushes on the wall. Weep holes are normally backed with filter fabric or a gravel filter so that water passes and soil does not. A weep hole running muddy water, or a sinkhole forming behind the wall, can mean soil is escaping through it. A blocked weep hole is a problem too, because the pressure it was there to relieve has nowhere to go. Both are worth photographing and showing to whoever inspects the wall.
Which agencies are involved, what each one wants, and the order they want it in.
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