Monitoring Unregulated Drinking Water Contaminants

Unregulated Contaminant Monitoring Rule (UCMR) Meetings and Materials

UCMR 4 meetings

UCMR 4 public meeting and webinar for the final rule – April 12, 2017

EPA will host a public meeting and webinar on April 12, 2017 to provided public water systems, state UCMR coordinators, laboratories, and other stakeholders with a comprehensive overview of the UCMR 4 program.

Along with a general introduction to the UCMR program, EPA will address:

  • Who is subject to UCMR requirements
  • The contaminants monitored
  • The monitoring and reporting requirements
  • The laboratory approval program

Federal Register Notice: Final - Revisions to the Unregulated Contaminant Monitoring Rule (UCMR 4) for Public Water Systems and Announcement of a Public Meeting.

UCMR 4 webinar for proposal - January 2016

EPA hosted a webinar in January 2016 to discuss the proposed UCMR 4 monitoring requirements, analyte selection and rationales, analytical methods, laboratory approval process and other aspects of the proposed rule.

Federal Register Notice: Proposal - Revisions to the Unregulated Contaminant Monitoring Rule (UCMR 4) for Public Water Systems and Announcement of a Public Meeting.

January 2016 meeting materials.

Approach to UCMR 4  - June 2014

EPA hosted a public meeting and webinar in June 2014 in Arlington, Virginia, to discuss the anticipated approach to UCMR 4 for public drinking water systems and allow for early stakeholder engagement.

Federal Register Notice of Public Meeting and Webinar: Revisions to the Unregulated Contaminant Monitoring Rule (UCMR 4).

June 2014 meeting materials.

Methods in development - May 2013

EPA hosted a public meeting and webinar in May 2013 in Cincinnati, Ohio, to describe methods in development for Contaminant Candidate List (CCL) analytes.

Federal Register Notice of Public Meeting and Webinar: EPA Method Development Update on Drinking Water Testing Methods for Contaminant Candidate List analytes.

May 2013 meeting materials.

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