Project Overview

The City of Lake Butler’s permitted biosolids land application area did not meet Florida’s requirements. The City retained ATM to evaluate the existing system and develop a permittable alternative that took in to account the limited land available for land application in the vicinity of the City’s wastewater treatment plant.

ATM reviewed adjacent areas that could potentially meet Florida’s biosolids requirements and determined that utilizing the City’s existing sprayfield for land application of biosolids would save both trucking and land costs and would be the most economical long-term option for the City.

ATM initially determined the phosphorus index for the soils in the sprayfield and then developed a Comprehensive Nutrient Management Plan (CNMP) to determine land area needed for land application of the biosolids. The development of the CNMP required an analysis of nutrient in the wastewater applied to the sprayfield, crop uptake requirements and the development of an allowable biosolids loading rate. The sprayfield was permitted by FDEP and currently serves as the primary land application site for the City.

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