Someone dug a fish pond at the back of my house. I heard that it has an impact on the geomantic omen of my house. What should I do?

If you sit in a house facing north to south, the fish pond is built in the north of your house. According to the four images, the north belongs to mysterious water, so the water is heavier. According to the five elements, it is Tuke water. However, there are many differences between soil and water, so it is not good to prescribe the right medicine without knowing the details. Recommend to find a gentleman to distinguish the situation