The ornamental design for the partition for a wastewatertreatmentcontainer, as shown and described.
FIG. 1 is a front elevational view of a partition for a waste water
treatment container showing my design;
FIG. 2 is a top plan view thereof, the bottom being identical in
appearance; and
FIG. 3 is a rear elevational view thereof.
The pattern continues uniformly throughout the length and width of the
partition and is shown broken-away for ease of illustration and to
indicate indetermine size.