In the early stages, the symptoms of ALS -- also called Lou Gehrig's disease -- include: 1  Increasing weakness in one limb, especially in a hand. 2  Difficulty walking. 3  Clumsiness of the hands. 4  Fasciculations, which are subtle, light twitches under the skin.  Impaired speech.
The Safe Drinking Water Act (SDWA) Section 1417(a)(1) required that after June 19, 1986 only lead free pipe, solder or flux could be used in the installation or repair of any plumbing in residential or non-residential facility providing water for human consumption, which is connected to a Public Water System.
There are two other types of water supply pipe that should be removed immediately no matter how old they are. Lead pipes, used in the early 1900s, have a life expectancy of 100 years, but they can leach lead into your drinking water, a serious health hazard.