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What are the public education requirements for non-transient, non-community water systems (NTNCWSs) that have exceeded the lead action level?

Answer: 

When there is a lead action level exceedance, non-transient, non-community water systems (NTNCWSs) must post informational posters on lead in drinking water in public places or common areas in buildings they serve. NTNCWSs must also distribute informational pamphlets and/or brochures on lead in drinking water to each person they serve. These materials must include information on the health effects of lead, sources of lead, steps consumers can take to reduce exposure to lead in drinking water, why there are elevated levels of lead in the system’s drinking water and what the system is doing to reduce lead levels, who to contact for more information, and information on lead service lines if the system has any. NTNCWSs must carry out these public education requirements within 60 days after the end of the tap sampling period in which the exceedance occurred. NTNCWSs that exceed the action level must conduct public education in accordance with the requirements in 40 CFR 141.85. 

Question (23002-32404)

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Last updated on October 28, 2025
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