Covers for liquid containment apparatuses and systems that include the same

A liquid containment system comprising:

• an apparatus configured to contain liquids comprising an opening over at least a portion of a top of the apparatus;
• and
• one or more covers positioned over at least a portion of the opening of the apparatus, the covers each independently comprising:
• a platform comprising a top surface, a first end, a second end opposite the first end, and two opposing sides that extend between the first and second ends;
• a front wall extending down from the first end of the platform;
• a back wall extending down from the second end of the platform;
• side walls extending down from the opposing sides of the platform;
• and
• engagement members extending out from a bottom of the side walls in a lateral direction from the platform and which are configured to engage a surface of a substrate,
• wherein the platform comprises a plurality of holes, and wherein the side walls comprise a plurality of notches that form a weir for distributing liquids,
• wherein a width of both the front wall and back wall of the covers are wider than a width of the platform measured between the two opposing sides, and the engagement members of the covers are positioned between the side walls and lateral edges of the front and back walls.