The ornamental design for the water control device, as shown and described.
FIG. 1 is a perspective view of a water control device in accordance with an embodiment of the present invention;
FIG. 2 is a front view of the water control device of FIG. 1;
FIG. 3 is a back view of the water control device of FIG. 1;
FIG. 4 is a right side view of the water control device of FIG. 1;
FIG. 5 is a left side view of the water control device of FIG. 1;
FIG. 6 is a top view of the water control device of FIG. 1; and,
FIG. 7 is a bottom view of the water control device of FIG. 1.
The broken lines of FIGS. 1-7 are illustrative of the visible environmental structure of the water control device and form no part of the claimed design.