INTRODUCTION The axially split case centrifugal pump remains the workhorse of the water and wastewater industry. Its robust design, high flow capabilities, and relative ease of maintenance—allowing access to rotating assemblies without disturbing piping—make it a staple in raw water intakes, high-service pump stations, and large-scale cooling loops. However, despite their inherent durability, these assets […]
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 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 […]
Anoxic Zones in Wastewater Treatment: Nitrogen Removal Explained Article Overview Article Type: Informational Primary Goal: Explain how anoxic zone treatment removes nitrogen in municipal and industrial wastewater, covering microbial mechanisms, common process configurations, design and operational parameters, monitoring and control strategies, retrofit options, technology vendors, and real world examples so engineers and operators can design, […]
FACILITY BASIC INFORMATION Plant Name: Hanover Park Water Reclamation Plant (WRP) Location: Hanover Park, Cook County, Illinois Operating Authority: Metropolitan Water Reclamation District of Greater Chicago (MWRD) Design Capacity: 12.0 MGD Current Average Flow: ~8.5 MGD Population Served: ~59,000 residents Service Area: Northwest Cook County (Hanover Park, Schaumburg, Hoffman Estates, Streamwood) Receiving Water Body: West […]
Authoritative Technical Guide for Engineers and Industry Professionals FACILITY BASIC INFORMATION Plant Name: South Cross Bayou Water Reclamation Facility (SCBWRF) Location: 7401 54th Avenue North, St. Petersburg, FL 33709 Operating Authority: Pinellas County Utilities (PCU) Design Capacity: 33.0 MGD (Annual Average Daily Flow) Current Average Flow: ~22-24 MGD Population Served: Approximately 300,000 residents Service Area: […]
FACILITY BASIC INFORMATION Plant Name: North District Wastewater Treatment Plant (NDWWTP) Location: 2575 NE 151st Street, North Miami, Miami-Dade County, Florida Operating Authority: Miami-Dade Water and Sewer Department (WASD) Design Capacity: 120.0 MGD (Annual Average Daily Flow) Current Average Flow: ~85-95 MGD Population Served: Approx. 2.4 million (System-wide), NDWWTP serves Northern region Service Area: North […]
Facility Basic Information Operating Authority Philadelphia Water Department Location Philadelphia, PA Design Capacity 194 MGD Peak Hydraulic Capacity 300+ MGD Population Served ~1.2 Million (Regional) Receiving Water Delaware River (Estuary Zone 4) NPDES Permit PA0026671 Year Commissioned 1954 (Major Expansion 1980) 1. Introduction The Southwest Water Pollution Control Plant (SWWP) is a critical component of […]
Location: Staten Island, New York | Authority: NYC Department of Environmental Protection (DEP) FACILITY BASIC INFORMATION Plant Name: Oakwood Beach Wastewater Resource Recovery Facility (WRRF) Location: 751 Mill Road, Staten Island, Richmond County, NY 10306 Operating Authority: New York City Department of Environmental Protection (NYC DEP) Design Capacity (Dry Weather): 40 MGD Wet Weather Capacity: […]
Introduction In high-volume municipal flood control, stormwater management, and industrial water transport, the axial flow “propeller” pump is the workhorse of the hydraulic world. However, their unique specific speed characteristics and sensitivity to intake conditions make them prone to issues that differ significantly from standard centrifugal pumps. Engineers and operators frequently overlook the subtle precursors […]