Skimming the Surface: Options for Solids and Floatables Control
- Curtis D. Couter and Seth Bradley - Hazen and Sawyer
- Brandon C. Vatter - Sanitation District No. 1 of Northern Kentucky
More than 700 U.S. cities nationwide have combined-sewer systems. In recent years, there has been a flurry of consent orders and similar agreements requiring wastewater collection system operators to bring combined-sewer overflows (CSOs) into compliance with the U.S. Environmental Protection Agency 1994 Combined Sewer Overflow Control Policy and the Guidance for Nine Minimum Controls (NMC).
Many of these orders include provisions to control solids and floatables (S&F) from CSOs. As the Sanitation District No. 1 of Northern Kentucky (SD1) began this process, it developed a plan to consider the effectiveness and operations and maintenance (O&M) requirements for a range of simple S&F controls to meet the requirements of the NMC program…
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