if the sink plumbing gas pipe are designed correctly
A good many cities do not want homeowners using gray water outside the home. However, this doesn't make much sense because often there's nothing wrong with that water, and it could be used on the landscaping. Many cities have a terrible time with drought issues, and we need to be thinking here more and more. Sometimes, it doesn't seem as if the sink plumbing Gas Pipe are designed correctly to help separate out the dirty water and debris from the mostly clean gray water.