View all text of Subpart I [§ 141.80 - § 141.93]

§ 141.91 - Recordkeeping requirements.

Link to an amendment published at 86 FR 4306, Jan. 15, 2021. Link to an amendment published at 86 FR 14002, Mar. 12, 2021, delaying the above amendment.

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. Each water system shall retain the records required by this section for no fewer than 12 years.