Results
U.S. Department of Energy
03/12/2026 | News release | Distributed by Public on 03/12/2026 12:31
Floodplain Assessment for Storm Water Controls in Effluent, Mortandad, North Ancho, and Potrillo Canyons (March 2026)
Floodplain Assessment for Storm Water Controls in Effluent, Mortandad, North Ancho, and Potrillo Canyons (March 2026)
DOE issued a notice of proposed floodplain action and floodplain assessment for storm water controls in Effluent, Mortandad, North Ancho, and Potrillo Canyons within Los Alamos National Laboratory. Public comment period closes March 27, 2026.
Office of NEPA Policy and Compliance
March 12, 2026
min minute read time
Floodplain Assessment for Stormwater Controls in Effluent, Mortandad, North Ancho, and Potrillo Canyons; Los Alamos County, New Mexico
The U.S. Department of Energy (DOE) Environmental Management Los Alamos Field Office (EM-LA) is issuing this notice of proposed floodplain action for the installation of storm water controls within the 100-year floodplains of Effluent, Mortandad, North Ancho, and Potrillo Canyons within Los Alamos National Laboratory (LANL). The proposed action would include the installation of rock check dams, rock plunge pools, coir logs, erosion control blankets, straw wattles, compost logs, and/or log check dams.
The 15-day public comment period for this proposed floodplain action will end on March 27, 2026. EM-LA will then reevaluate alternatives to the proposed floodplain action and the mitigating measures, taking into account all substantive comments received, and prepare a floodplain statement of findings.
Submit written comments via:
Email:
[email protected] with subject line Installation of Storm Water Controls Comment
U.S. Mail:
EM-LA NEPA Document Manager
U.S. DOE Environmental Management Los Alamos Field Office
1200 Trinity Drive, Suite 400
Los Alamos, NM 87544
U.S. Department of Energy published this content on March 12, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on March 12, 2026 at 18:32 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]