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City of Davis Constructed Wetland Performance Evaluation

wastewater plant tissue sampling soil sampling Salinity & Nutrients

Land IQ conducted a performance evaluation of constructed wetlands, known as overland flow cells, to provide recommendations on optimizing nutrient removal as part of a wastewater treatment process. The evaluation included collecting and interpreting analytical data from plant tissue and soil samples within the overland flow cells and in control areas, as well as observing site conditions. To provide recommendations to the City of Davis for improving site performance, Land IQ considered grass varieties, managing for optimum yield, managing grass clippings from mowing, irrigating for optimum performance, and monitoring. The overland flow cells provide secondary treatment for the wastewater collected, treated and discharged by the City of Davis wastewater pollution control plant.