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Proposed Copper Criteria for Pajarito Plateau Surface Waters

The proposed rule is a third-party petition by Newport News Nuclear BWXT-Los Alamos; Triad National Security, LLC; and the U.S. Department of Energy, Office of Environmental Management, Los Alamos Field Office. The New Mexico Environment Department are not a petitioner in this matter but have participated in the development of the proposal by providing comment and feedback since the beginning of the project.

The Petitioners prepared a demonstration for the proposed Copper Site-Specific Water Quality Criteria (Cu SSWQC) for the Pajarito Plateau and accepted comments and feedback during their 45-day public comment period. In July of 2024, the petitioners asked the Water Quality Control Commission (WQCC) for a hearing to consider adopting their proposed Cu SSWQC. Initially the hearing was scheduled for October 8, 2024, but was subsequently rescheduled for January 14, 2025. The full public notice, participation details, and supplemental rulemaking information may be found at the links below.

Documents and Links:

WQCC Docketed Matters Webpage
Events Calendar01/14/2025
Public Comment Portal10/07/2024
Petition for Rulemaking to Amend 20.6.4.900 NMAC5/23/2024
Supplement to Petition for Rulemaking-Proposed Amendments to 20.6.4 NMAC7/16/2024
Public Notice (English)10/22/2024
Public Notice (Spanish)10/22/2024
Second Pre-hearing Order9/11/2024
Notice of Cancellation – October Hearing9/11/2024
Public Involvement Plan09/26/2024
Limited English Proficiency Analysis09/26/2024
Return to Water Quality Standards Webpage

Contact us

Ph: 505-827-0187 Find a list of Surface Water Quality staff contacts here.

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