Proposed DNR Rules On Solid Waste Composting

The WDNR will hold a public hearing on December 13 on repeal and amendments to State rules relating to composting of solid waste. The proposed rule revisions would (1) expand the types and quantities of decomposable organic materials that could be composted with minimal regulation, and (2) provide a voluntary set of quality standards for certain finished compost products, allowing commercial and municipal composters to distinguish their high-quality compost products in the marketplace.

The proposed rules do not require generators of compostable materials to compost or to alter their current arrangements for waste disposal. However, many generators of compostable materials, including small-to-medium size groceries and large national food retailers, hospitals, event sponsors, restaurants and institutions, have encountered difficulties finding an outlet for diverting food scraps from landfill disposal. In facilitating the development of composting businesses and infrastructure, the proposed rule would provide generators with additional options for disposing of unwanted materials, some of which might cost less than landfill disposal.

The DNR has made a preliminary determination that adoption of the proposed rules would not involve significant adverse environmental effects and would not need an environmental analysis under Chapter NR 150, Wis. Adm. Code. However, an environmental analysis may be prepared before proceeding. This analysis would summarize the Department’s consideration of the impacts of the proposal and any reasonable alternatives.

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