Dike

Dike: A low wall that can act as a barrier to prevent a spill from spreading.
Diluent: Any liquid or solid material used to dilute or carry an active ingredient.

DIKE
An embankment to confine or control water; for example, one built along the banks of a river to prevent overflow or lowlands; a levee.
DISCONNECTED IMPERVIOUS SURFACES ...

Crest: The top of a dam, dike, or spillway, which water must reach before passing over the structure; the summit or highest point of a wave; the highest elevation reached by flood waters flowing in a channel ...

Impoundment: A body of water or sludge confined by a dam, dike, floodgate, or other barrier.
In Situ: In its original place; unmoved unexcavated; remaining at the site or in the subsurface.

A body of water or sludge confined by a dam, dike, floodgate, or other barrier.
Source: Terms of the Environment
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crest 1)The highest stage or level of a flood wave as it passes a point. 2)The top of a dam, dike, spillway, or weir, to which water must rise before passing over the structure. 3) The highest point in a propagating or standing wave.

See also: Water, Liquid, Treatment, Reduce, Site