The main water supply pipe brings water from the street to the home. This type of pipe corrodes internally and may not deliver the volume of water now needed throughout the house. Excessive pressure can wear on valves, fittings, fixtures and appliances. 24 - Water Supply Lines Copper, galvanized, plastic and lead piping have all been used at some time for water systems of residences. Old galvanized piping typically requires replacement due to internal restriction.
Lead pipes present a possible health hazard if the lead leaks into the drinking water.
Your inspector is only able to tell you of the condition of the visible piping. No water quality tests are performed during this inspection. These pipes carry the waste from the house to the sewer system. It is impossible to predict waste line blockages as these can occur at any time during use. 26 - Fuel System Natural gall is delivered to the house through underground pipes.