First take a sample of the water in a jar and set it on the shelf for a week. If it clears then your problem is physical agitation such as wind/rain/erosion. If it does not clear then your problem is water chemistry and you can consider adding gypsum in bulk. You should also consider a water test for total hardness...if less than 50ppm then gypsum is a good agent for clearing water, if more than 50ppm then gypsum is hit or miss. We will test your water at no charge. We supply gypsum in bulk and spread the product as well. Please PM if interested. Hope this helps.