CRH Americas Materials, Inc.
Stoneco, Denniston Quarry
Monroe, Michigan, United States
Certified through 2024
Project Name
Project Type
Denniston Bioswales
Landscaped
Pollinators Denniston
Pollinators
About the Program
CRH Americas Materials Inc, an aggregates producer in North America, operates 18 quarries, sand and gravel pits, and rail yards across Michigan’s lower peninsula. The Stoneco, Denniston Quarry in Monroe, Michigan is implementing two projects focused on supporting pollinators. Local partners are engaged in implementating and developing these projects.
Practices and Impacts
CRH Americas Materials Inc, an aggregates producer in North America, operates 18 quarries, sand and gravel pits, and rail yards across Michigan’s lower peninsula. The Stoneco, Denniston Quarry in Monroe, Michigan is implementing two projects focused on supporting pollinators. Local partners are engaged in implementating and developing these projects.
Practices and Impacts
- The team is restoring habitat for pollinators, including monarch butterflies and bees, by planting native species such as butterfly weed, purple coneflower and milkweed. insect houses, rocks and mulch provide shelter for pollinators.
- Monthly maintenance, weeding and invasive species management ensure the area remains healthy.
- The bioswales are regularly inspected for erosion as well as drainage function. Limestone was added to prevent erosion and runoff.
- The team has observed pollinators on-site, including monarchs, as well as a variety of bird species.
