I took out the filter of my whirlpool dishwasher to clean it. The filter and the well were coated with soft gunk, even tho I cleaned them about 2 months ago. I noticed that the well that the filter sits in was full of water. (Photo 1 shows the well, Photo 2 gives some perspective, and Photo 3 is the label showing the model number, after much cleaning.) Is water in the well normal or a symptom? If a symptom, what should I do to get the dishwasher to drain it out?