Unregulated Contaminant Monitoring Rule (UCMR) Meetings and Materials
UCMR 5 meetings
UCMR 5 final rule public webinars – March 2022
EPA hosted two identical virtual meetings (via webinar) on March 16 and 17, 2022, to provide public water systems (PWSs), states, laboratories, and other stakeholders with a comprehensive overview of the UCMR 5 program. The meetings addressed: a general introduction to the UCMR program, PWSs subject to UCMR 5 requirements, the analytes to be monitored, monitoring locations and frequency, reporting requirements, ground water representative monitoring plans (GWRMPs), and the laboratory approval program.
40 CFR (Code of Federal Regulations, Title 40) Part 141: Final Rule - Revisions to the Unregulated Contaminant Monitoring Rule (UCMR 5) for Public Water Systems and Announcement of Public Meetings (PDF) (27 pp, 650 K, About PDF)
UCMR 5 proposal public webinars – April 2021
EPA hosted two identical webinars on April 6 and 7, 2021, to discuss the proposed UCMR 5. The meeting scope included the proposed monitoring requirements, analyte selection, analytical methods, laboratory approval process, and ground water representative monitoring plans (GWRMPs).
40 CFR (Code of Federal Regulations, Title 40) Part 141: Proposal - Revisions to the Unregulated Contaminant Monitoring Rule (UCMR 5) for Public Water Systems and Announcement of a Public Meeting (PDF) (27 pp, 440 K, About PDF)
EPA hosted a public meeting and webinar in July 2019 in Cincinnati, Ohio to discuss potential approaches to developing the proposal for UCMR 5 and allow for early stakeholder engagement.
- July 2019 Meeting Material - Development of the Proposed UCMR 5: Public Meeting and Webinar (PDF) (140 pp, 1.2 MB, About PDF)
Methods in development – June 2018
EPA hosted a public meeting and webinar in June 2018 designed to spark innovation on analytical testing procedures for unregulated contaminants in drinking water.