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Delaware County, Ohio, which is located just north of Columbus, owns and operates two water reclamation facilities, the Olentangy Environmental Control Center (OECC) and the Alum Creek Water Reclamation Facility (ACWRF). Malcolm Pirnie was hired to develop a Residuals Master Plan (RMP) to assist the County make informed decisions with respect biosolids management. The RMP will serve as a “road map” that explores all management approaches. It must incorporate flexibility to allow the County to respond cost-effectively to future regulatory changes and disposal constraints.

This paper will expand on the project drivers and goals, the preliminary investigation, the continuing involvement of the County staff, shortlisting of available biosolids alternatives, evaluation criteria used, and recommendations.

Overall, this paper outlines how one utility is developing a Master Plan to resolve key issues and prepare for uncertain future scenarios tailored for their specific needs. Other utilities can identify with many of the same issues that Delaware County is faced with and use elements of this model to develop a biosolids management strategy that will “fit” their specific needs while being technically defensible and cost-effective.
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Document Type: Research Article

Publication date: 2004-01-01

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