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Additional Green
Building Projects

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Bunker Interpretive Center – Calvin College

Grand Rapids, Michigan
  • Headquarters for Calvin College Biology department opened in 2004
  • Educational resource for visitors to college’s 35-acre eco-preserve
  • Center includes laboratory, multi-purpose room, and display hall
  • Designed by Wolverine Building Group to achieve LEED Gold certification
  • One large composting system with two foam-flush toilet fixtures
  • Composter can handle up to 65,000 uses annually
  • Clivus systems saves up to 100,000 gallons of water annually
  • Greywater system reuses washwater to irrigate indoor planter box

Hallo Bay

Katmai National Park, Alaska
  • Eco-tourism for bear viewing
  • Lat/Lon: 59.7° N 151.5° W
  • Average temperature 38°F
  • One commercial composter accommodates 30,000 uses per year
  • Waterless toilets eliminate the use of water for flushing

Islandwood – Puget Sound
Environmental Center

Bainbridge Island, Washington
  • Environmental school serving youth from Puget sound area
  • LEED Gold certified building
  • Two commercial systems with dry toilets use no water and serve 36,000 uses per year
  • Interior systems could save 60,000 gallons of water each per year
  • Four M54 trailheads serve 22,000 uses per year each and accommodate restroom needs on trails

KC Structural Steel

Kansas City, Missouri
  • 70,000 square feet of manufacturing space
  • Two commercial systems accommodate 40,000 uses each per year
  • Four Foam-flush toilets only six oz of water per use
  • 120,000 gallons saved each year
  • Shows the KC Steel’s commitment to sustainable practices

Maho Bay – Concordia Campgrounds

St. John, U.S. Virgin Islands
  • Eco-tourism location offers high-end tent accommodations
  • Long history with Clivus systems since 1979
  • Eliminate pollution in a sensitive ecosystem
  • 25 smaller composters each accommodate 5,000 uses per year (125,000 uses combined)

Mountain Equipment Co-op (MEC)

Winnipeg, Manitoba
  • Dedicated to supplying wilderness gear and apparel to members
  • Winnipeg store (opened in 2002) achieved LEED Gold certification
  • Winnipeg store uses one large composting system and two dry toilet fixtures
  • System rated for up to 40,000 uses annually
  • Saves up to 63,000 gallons of water annually
  • Use of composting toilet system reflects MEC's commitment to environmental leadership

Feature Sheet

Warren Wilson College – Eco-Dorm

Ashville, North Carolina
  • Dormitory serves 36 students
  • LEED Platinum certification
  • Two smaller systems handle 18,000 uses each per year
  • Composting systems save almost 30,000 gallons of water per year