40 CFR § 141.91 National Primary Drinking Water Regulations

§ 141.91 Recordkeeping requirements.

Current through Aug 22, 2025 · Read all of Part 141

⚠ 4 pending changes to Part 141

Any system subject to the requirements of this subpart shall retain on its premises original records of all sampling data and analyses, reports, surveys, letters, evaluations, schedules, State determinations, and any other information required by §§ 141.81 through 141.88, 141.90, 141.92, and 141.93. Each water system shall retain the records required by this section for no fewer than 12 years.

[86 FR 4306, Jan. 15, 2021]

← § 141.90 Reporting requirements.§ 141.92 Monitoring for lead in schools and child care facilities. →