Safe Water Drinking Act — Lead/Copper: Environmental Health Division Test Results, Analytical Data, Sample Submission Records

To meet all general contracts and grant requirements, sample test results for lead and copper must be retained for 12 years.

UI retention guidelines

Calendar year plus 12 years, per Environmental Protection Agency

Confidential
Yes
Vital
Yes
Year updated
2025
Administrative unit responsible for establishing retention criteria
State Hygienic Laboratory
Official files maintained by
State Hygienic Laboratory
Record category
State Hygienic Laboratory