How frequently is sampling typically required for Phase I, II, and V contaminants?

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Sampling for Phase I, II, and V contaminants is generally required every three years as part of monitoring and ensuring compliance with regulatory standards for water quality. This frequency allows for timely detection of any contaminants that could pose a risk to public health and the environment. It ensures that systems can react swiftly to any changes in contaminant levels, helping maintain the safety of water supplies. Regular sampling supports the identification of potential problems before they can escalate into more significant issues, promoting proactive management of water resources.

Other frequencies, such as every year, five years, or ten years, do not meet the regulatory requirements or the need for consistent monitoring that is critical in managing water quality effectively.

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