Frequent Questions

In the Safe Drinking Water Act, 1417(a)(4)(B) exemptions for lead content include water distribution main gate valves that are 2 inches in diameter or larger. Does this apply to all water distribution valves over 2" (especially butterfly valves) or just g

Butterfly valves are not exempt from the Reduction of Lead in Drinking Water Act. The specific items listed in that passage are the exempted materials. The exempted items specified in the passage are "toilets, bidets, urinals, fill valves, flushometer valves, tub fillers, shower valves, service saddles, or water distribution main gate valves that are 2 inches in diameter or larger" (SDWA 1417(a)(4)(B))."





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