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Home > Security > ERP Handbook > Record Retention List

Record Maintenance for Water Analyses

According to the Maine Rules Relating to Drinking Water at 10-144 Chapter 231 Section 5:

Any owner or operator of a system shall retain on his premises, or at a convenient location near his premises, the records as indicated below. Such records shall be made available to the public for their review.

  • Bacteria: 5 years
  • Chemical: 10 years
  • Lead/Copper: 12 years
  • Violations: 3 years
  • Sanitary Survey: 10 years
  • Variances and Exceptions: 5 years
  • Daily Operational Records: 7 years