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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.
TCR Sample Summary Results Monitoring Period Begin Date
From the help published with Drinking Water Watch 3.5, reproduced as delivered.
Monitoring Period Begin
Date is the first day of the monitoring period (e.g., monthly, quarterly)
that is appropriate for a public water system's TCR samples.