2022

• Fiscal Year 2022 High-Performance Sustainable Building Award: Weldon Spring Site Interpretive Center.
• Green Space: Weldon Spring Site Interpretive Center.
• 2022 Sustainable Climate-Ready Sites Program Pilot: Weldon Spring Site, Missouri.
• 2022 Sustainable Climate-Ready Sites Program Pilot: Shirley Bason South, Wyoming, Disposal Site and Weldon Spring Site, Missouri.
• 2022 Sustainable Climate-Ready Sites Program Pilot: Shirley Basin South, Wyoming, Disposal Site.

2021

• 2021 Federal Facility Excellence in Site Reuse Award at both the Rocky Flats Site and former Grand Junction processing site (now Las Colonias Park) in Colorado.
• GreenBuy Award at the Weldon Spring Site in Missouri.
• Electronic Product Environmental Assessment Tool (EPEAT) Purchaser Awards. This program recognizes excellence in the green procurement of electronics.
   

2020

• The 2020 Federal Facility Excellence in Site Reuse Award was awarded to the Weldon Spring Site. This award recognizes noteworthy restoration and reuse of federal facility sites through innovative thinking and cooperation among federal agencies, states, tribes, local partners, and developers.

2019

• The 2019 Federal Facility Excellence in Site Reuse Award was awarded to the Fernald Preserve Site. This award recognizes noteworthy restoration and reuse of federal facility sites through innovative thinking and cooperation among federal agencies, states, tribes, local partners, and developers.
• Electronic Product Environmental Assessment Tool (EPEAT) Purchaser Awards. This program recognizes excellence in the green procurement of electronics.

2018

• Conservation Educator of the Year Award. Fernald Preserve, Ohio, honored by the Butler Soil and Water Conservation District.
• ENERGY STAR Charter Tenant Space Recognition. Westminster, Colorado, office recognized by the U.S. Environmental Protection Agency.
• Electronic Product Environmental Assessment Tool (EPEAT) Purchaser Awards. This program recognizes excellence in the green procurement of electronics.

2017

• Electronic Product Environmental Assessment Tool (EPEAT) Purchaser Awards

2016

• GreenGov Presidential Award. Keeping It Clean Award. Faced with the need to treat groundwater at a former nuclear weapons production facility, the DOE Office of Legacy Management developed and installed an innovative groundwater treatment system at Rocky Flats, Colorado. The battery-powered system recharges with solar power and its design enhances safety, improves groundwater treatment reliability, reduces long-term maintenance and costs, and reduces waste. 
• Electronic Product Environmental Assessment Tool (EPEAT) Purchaser Awards 
• Department of Energy Sustainability Project Award. "Sustainability Innovations Improve Groundwater Treatment while Reducing Waste and Pollution" at the Rocky Flats, Colorado, Site in the Waste Reduction and Pollution Prevention category (2015 project)

2015

• Electronic Product Environmental Assessment Tool (EPEAT) Purchaser Awards

2012

• U.S. Department of Energy Sustainability Award. Winner for the Office of Legacy Management's Environmental Management System (EMS) program, Not Just Your Average EMS. LM was 1 of the 20 winners selected out of 137 nominations.
• National Asphalt Pavement Association (NAPA) Quality in Construction Award (used reclaimed asphalt pavement and recycled asphalt shingles in the project mixes).

2011

• Federal Electronics Challenge (FEC) Bronze Award
• The Office of Legacy Management Business Center (LMBC) received a Recycling Award from the Monongalia County Solid Waste Authority for keeping a large amount of waste out of West Virginia landfills.

2010

• U.S. Department of Energy Management Award honoring the Office of Legacy Management's (LM) outstanding achievements in energy, water, and fleet management for Fiscal Year 2009. The award recognizes LM's System Operation and Analysis at Remote Sites (SOARS).

2009

• U.S. Department of Energy Management Award for the Fernald Preserve Visitors Center project. The Organization Award honors outstanding achievements in implementing sustainable practices for high-performance buildings.
• U.S. Department of Energy's Federal Energy and Water Management Awards for Fernald Preserve Visitors Center in Ohio. These awards honor individuals and organizations making significant contributions to the efficient use of energy and water resources in the federal government.
• U.S. Department of Energy's (DOE) Environmental Sustainability (EStar) Awards. The EStar competition recognizes exemplary environmental sustainability practices across DOE; the awards and honorable-mention designations are awarded for demonstrated excellence in pollution prevention and sustainable environmental stewardship.
• Waste Management Blue Ribbon Award (First Place) for Sustainable Design and Construction of the Fernald Preserve Visitors Center poster.

2005

• Pollution Prevention Star Award for recycling equipment and supplies during laboratory closure, Grand Junction.

2010

• United States Green Building Council (USGBC), Leadership in Energy and Environmental Design (LEED) Double Gold Certification for Legacy Management Business Center; the first double-gold building in West Virginia. Core and Shell Gold Certification. Commercial Interiors Gold Certification.

2008

• United States Green Building Council (USGBC), Leadership in Energy and Environmental Design (LEED) Platinum Certification for Fernald Preserve Visitors Center; the first platinum project in Ohio, the second for the U.S. Department of Energy (DOE), and 93 in the United States. New Construction Platinum Certification.