bill wiegand

Pre-Sedimentation Solutions and Benefits for Water Treatment Facilities By Bill Wiegand, PE & Jeff Ashley, PE Pre-sedimentation (pre-sed) is an effective water treatment method, often utilized with source waters that have high solids, turbidity, and/or organics during certain times of the year, such as spring runoff. The pre-sed process helps reduce these materials from the raw water to more acceptable levels. As a result, other primary treatment processes such as high-rate settling and filtration are greatly improved and optimized. Pre-sed systems can be built to site specific needs to address unique raw water quality in lakes, rivers and streams. The pre-sed process can involve fairlyRead More →