The answer to 'sewer line rusty water' is that rusty water coming from a sewer line is usually caused by corrosion of the pipe material, often due to age or exposure to certain types of soil. This can lead to the release of iron and other minerals into the water, causing a reddish-brown discoloration.
Some common symptoms of a rusty sewer line include stained plumbing fixtures, a metallic taste in the water, and reduced water pressure. In some cases, the rust can also clog the pipe and cause backups or slow draining. The best solution is to have a professional plumber inspect the line and determine the extent of the corrosion. Depending on the severity, they may recommend pipe relining, replacement, or other remediation methods.