Underground stormwater pipes are easy to forget because they stay out of sight. Many property managers, HOAs, and local governments only notice a problem after standing water, sinkholes, or drainage backups appear. When this happens, they must decide whether the pipe can be repaired or needs to be replaced. Many repair methods used for sanitary sewer systems can also be used for stormwater pipes. These include pipe lining and other methods that repair pipes with little diggin
