Carver County Environmental Services Grant Projects
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Technical Report: Scientific Evaluation of Potential Environmental Impacts of Contact Water Generated from Composting Source Separated Organics MaterialCarver County Environmental Services received three separate grants from the Minnesota Pollution Control Agency in 2006, 2008, and 2012 to conduct research at two different Demonstration Compost Sites at the University of Minnesota Landscape Arboretum in Chanhassen, Minnesota. The research goal was to begin characterization of potential environmental impacts of contact water and storm water generated from compost facilities accepting yard waste, food scraps, and non-recyclable paper. Below are the final reports for those research projects.
Report Appendices:Appendix A: MPCA Grant Agreement & RFP
Appendix B: Arboretum Demonstration Compost Facility Site Operation Plan Appendix C: Braun Intertec - Compost Pad Permeability Report (Dec 2013) Appendix D: Grant Sampling Analysis Plan Appendix E: C.B. Wilson. EOR, Inc. Pad and Infiltration Characteristics (Apr 2014) Appendix F: MPCA Review of Technical Report & Project Teams Response Appendix G: R. Kaiser, American Engineering Testing - Comments to MPCA Rule (Apr 2014) Lab Reports: |
Additional Reports & Articles
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Carver County Pilot Project Final Grant Report to the Minnesota Pollution Control Agency 2008:
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Carver County Demonstration Project Final Grant Report to the Minnesota Pollution Control Agency 2012:
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BioCycle: Adding SSO to Yard Trimmings Composting Operations
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BioCycle: Understanding the Chemistry of Compost Contact Water
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The first phase of research at a Minnesota composting site suggests that environmental risk to groudwater is relatively low from addition of source separated organics.
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This research study analyzed groundwater coming into contact with active composting piles - both yard trimmings only and yard trimmings with food waste and paper.
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