The ornamental design for a lid for a utilityenclosure, as shown and described.
FIG. 1 is a front, left, bottom perspective view of a lid for a utility enclosure showing our new design;
FIG. 2 is a top plan view thereof, in which the broken lines shown in FIG. 2 depicts portions of the lid for a utility enclosure that form no part of the claimed design;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevational view thereof, which is identical to a rear elevational view; and,
FIG. 5 is a left side elevational view thereof, which is identical to a right side elevational view.
The broken lines shown in FIGS. 2 and 3 depict portions of the lid for a utility enclsoure that form no part of the claimed design.