Yes, water pooling on your concrete is bad. This is because it increases the chance of your concrete cracking or crumbling. It can also lead to the growth of mold and mildew. One way to stop water from pooling on your patio, path or driveway is to try and seal the area. This will help to create a barrier against the water and stop it from seeping through. You can use a variety of different products to do this, such as concrete sealer, paving sealer, or waterproofing membrane. Related: A Few Ways To Clean A Concrete Patio Without Killing Your Grass