1. Introduction In the architecture of modern municipal and industrial water and wastewater treatment infrastructure, instrumentation serves as the central nervous system. While pumps, blowers, and valves perform the physical work of moving and treating fluids, it is the instrumentation—flow meters, level sensors, pressure transmitters, and analytical probes—that provides the data necessary to control these […]
A Technical Profile of Brooklyn’s Critical East River Infrastructure FACILITY BASIC INFORMATION Plant Name: Red Hook Wastewater Resource Recovery Facility (WRRF) Location: 63 Flushing Avenue, Brooklyn, NY (Vinegar Hill/Navy Yard) Operating Authority: NYC Department of Environmental Protection (NYC DEP) Design Capacity: 60 MGD (Dry Weather) Wet Weather Capacity: ~120 MGD Current Average Flow: ~30-45 MGD […]
Introduction Aeration systems consume approximately 50% to 70% of a typical activated sludge wastewater treatment plant’s total energy budget. Consequently, the selection of aeration hardware is one of the most consequential decisions a consulting engineer or plant director can make. A difference of merely 1-2% in Standard Oxygen Transfer Efficiency (SOTE) or a marginal increase […]
Introduction In the modern era of wastewater infrastructure, the shift toward submersible pumping technology has been substantial. However, a significant percentage of municipal lift stations and treatment plants rely on the durability and accessibility of conventional dry pit pumps. Engineers frequently overlook the long-term operational benefits of separating the driver from the hydraulic fluid, particularly […]
1. Introduction In the modern landscape of municipal and industrial water and wastewater treatment, the electric valve actuator serves as the critical interface between the control room (SCADA) and the physical process. While the valve body itself—whether a gate, butterfly, plug, or ball valve—dictates the hydraulic characteristics of the system, the electric actuator determines the […]
FACILITY BASIC INFORMATION Plant Name Bowery Bay Wastewater Treatment Plant (WRRF) Location Astoria, Queens, New York Operating Authority New York City Department of Environmental Protection (NYC DEP) Design Capacity 150 MGD (Dry Weather) Wet Weather Capacity 300 MGD (2x Design) Population Served ~850,000 residents Service Area Northwest Queens (Astoria, Long Island City, Sunnyside) Receiving Water […]
Introduction: The State of Kansas Water Infrastructure Kansas presents a unique dichotomy in wastewater infrastructure, characterized by sophisticated, high-capacity biological nutrient removal (BNR) facilities in the rapid-growth corridors of Johnson County and Wichita, contrasted with hundreds of lagoon systems serving rural communities. For municipal consulting engineers and utility managers, the Kansas market is currently defined […]
Last Updated: October 2023 1. Introduction Louisiana’s wastewater infrastructure operates within one of the most hydro-geologically complex environments in the United States. Managing treatment capacity in a state defined by high water tables, subsidence, and significant industrial activity presents unique challenges for utility managers and consulting engineers. The state’s infrastructure is overseen by the Louisiana […]
1. Introduction North Carolina stands at a critical juncture in water infrastructure management. With one of the fastest-growing populations in the United States—driven by the rapid expansion of the Charlotte metro area and the Research Triangle (Raleigh-Durham)—the state’s wastewater treatment capacity is under significant pressure. The North Carolina Department of Environmental Quality (NC DEQ) oversees […]
Introduction In the design of water and wastewater treatment facilities, the rapid and uniform dispersion of chemicals—coagulants, disinfectants, and neutralizing agents—is a fundamental determinant of process efficiency. A surprising statistic in the municipal sector indicates that up to 30% of chemical costs are wasted due to inefficient mixing, leading to overdosing to achieve regulatory compliance. […]