Originally Posted By: KenK

My thought would be that when you bury the business end of the hydrant rather than just fill it in with clay, you line the pit with landscaping cloth, and then fill the pit with some kind of "sharp" gravel with limited "fines".


The pit was filled - per the manufacturer's recommendations - with pea gravel. I think that the answer is a MUCH larger drain area for it...time to borrow a backhoe again...