Tag: management
Introduction One of the most persistent and costly issues in municipal wastewater management is not the failure of the pump itself, but the mismatch between the pump’s hydraulic design and the system’s actual operating requirements. Industry data suggests that nearly 70% of centrifugal pumps in wastewater applications operate significantly outside their preferred operating region (POR). […]
Introduction In municipal water treatment and industrial wastewater processing, the chemical metering pump is often the smallest piece of rotating equipment with the highest disproportionate impact on process reliability. When a main lift pump fails, redundancy often covers the gap. When a chemical metering pump fails, regulatory compliance regarding disinfection, coagulation, or pH adjustment is […]
Understanding primary secondary tertiary treatment is where permits, budgets, and operations collide for municipal plants. This article gives municipal engineers, licensed operators, and equipment manufacturers concise, practitioner-focused guidance: quantitative performance ranges, key design and control parameters, sizing rules of thumb, and the retrofit tradeoffs that actually determine project success. Expect actionable monitoring strategies, common failure […]
Introduction to High-Volume Pumping Systems In the realm of municipal stormwater management and large-scale raw water intake, the axial flow (propeller) pump is the workhorse of the industry. However, these high-flow, low-head machines are notoriously sensitive to installation conditions and hydraulic environments. A surprising statistic from reliability studies indicates that nearly 60% of premature failures […]
INTRODUCTION The vast majority of municipal flood control and large-scale raw water intake infrastructure in North America was constructed between the 1950s and 1980s. Today, engineers face a critical ticking clock: massive concrete volute or vertical column axial flow pumps are reaching the end of their second or third lifecycle. The challenge is rarely as […]
Effluent Discharge Standards: Compliance and Best Practices Article Overview Article Type: How-To Guide Primary Goal: Equip municipal managers, plant operators, design engineers, and equipment manufacturers with a practical, technically rigorous roadmap to interpret effluent discharge standards, design and operate treatment systems to meet permits, implement reliable monitoring and reporting, and future-proof facilities for emerging contaminants […]
1. Introduction In the water and wastewater industry, the failure of screw pumps—whether large Archimedes lift pumps or progressive cavity sludge pumps—often stems not from hydraulic inadequacy, but from thermal mismanagement of the drive system. A surprising statistic from motor reliability studies indicates that for every 10°C rise in operating temperature above the rated limit, […]
FACILITY BASIC INFORMATION Plant Name: Utoy Creek Water Reclamation Center (WRC)Location: Atlanta, Fulton County, GeorgiaOperating Authority: City of Atlanta Department of Watershed Management (DWM)Design Capacity: 44 MGD (Max Month Daily Flow)Current Average Flow: ~24-30 MGDPopulation Served: Approx. 250,000+ residentsService Area: Southwest Atlanta, portions of Fulton County, City of East PointReceiving Water Body: Chattahoochee River (via […]
FACILITY BASIC INFORMATION Plant Name: Northeast Water Resource Recovery Facility (NE WRRF)Location: 7000 N. 70th Street, Lincoln, Lancaster County, NebraskaOperating Authority: City of Lincoln Transportation and Utilities (LTU) – Wastewater SystemDesign Capacity: 22.0 MGD (Expanded Average Daily Flow)Current Average Flow: ~12 – 15 MGD (Variable with load shifting)Population Served: Serves Northern/Eastern Lincoln (City Total: ~295,000)Service […]
Location: Lincoln, Lancaster County, NebraskaOperating Authority: City of Lincoln – Lincoln Transportation and Utilities (LTU)Design Capacity: 27.6 MGD (Average Daily)Service Area: Central and Southern LincolnReceiving Water Body: Salt Creek (Sub-basin of the Platte River)NPDES Permit Number: NE0020290 1. Introduction The Theresa Street Water Resource Recovery Facility (WRRF) serves as the primary wastewater treatment hub for […]