Within what time frame must Tier 3 public notification of a primary contaminant violation be communicated?

The correct answer is that Tier 3 public notifications of a primary contaminant violation must be communicated within three months. This requirement is established to ensure that the public is informed of potential health risks in a timely manner.

Tier 3 notifications relate to violations that are not likely to cause adverse health effects but still require communication to ensure that consumers are aware of the water quality status. The three-month time frame allows water suppliers sufficient time to assess the situation, address the violation, and prepare an appropriate notification to the public, thus promoting transparency and trust in the drinking water system.

Understanding the timeline for notifications is crucial as it underscores the importance of public awareness regarding drinking water safety and helps consumers make informed decisions about their water consumption.