Prior to January 1, 2014, what was the maximum lead content allowed in pipe and fittings for public water supply?

The maximum lead content allowed in pipes and fittings for public water supply prior to January 1, 2014, was indeed 8.0%. This standard was established in response to concerns over the health effects associated with lead exposure, particularly in drinking water systems. Lead can leach into water from lead-containing plumbing materials, causing serious health risks, especially in vulnerable populations such as children and pregnant women.

The regulations reflect a growing awareness and regulatory scrutiny regarding lead in drinking water supplies. Reducing the allowable lead content in plumbing materials was part of broader efforts to ensure safer drinking water. The choice of 8.0% was a compromise balancing the technical feasibility for manufacturers and the urgent need to minimize lead exposure in public drinking water. Options with higher percentages would have allowed for more lead to be present, contradicting the efforts to safeguard public health.

Understanding this historical context emphasizes the importance of regulations that govern materials used in drinking water systems and highlights ongoing efforts to improve water quality and public health protections.