The invention provides a fluid retaining assembly. In accordance with one embodiment of the invention, the fluid retaining assembly may include a base assembly including a cavity and a reservoir assembly disposed in the cavity of the base assembly. The reservoir assembly may include a body portion having a well in which fluid is retainable and a membrane covering the well. The reservoir assembly may further include an absorbent strip disposed in the well and covered by the membrane. The base assembly may be provided to include at least one attachment member. The attachment member serves to attach the reservoir assembly to the base assembly. A plurality of reservoir assemblies may be retained by the base assembly.