Tag: Wastewater

1. Overview of Mississippi’s Wastewater Infrastructure Mississippi’s wastewater infrastructure landscape represents a critical intersection of historical municipal challenges and unprecedented modern investment. Regulated primarily by the Mississippi Department of Environmental Quality (MDEQ) under the purview of EPA Region 4, the state oversees hundreds of publicly owned treatment works (POTWs) ranging from small rural lagoon systems […]

1) INTRODUCTION In municipal and industrial biological treatment facilities, operating entirely on “operator intuition” is a guaranteed path to compliance violations, wasted energy, and biological upsets. A critical specification mistake engineers frequently make during plant upgrades is separating process design from the instrumentation meant to control it. To maintain process stability and regulatory compliance, engineers […]

INTRODUCTION Historically, municipal and industrial wastewater facilities were designed with a single goal: meet baseline discharge permits to protect receiving waters. Today, the engineering paradigm has shifted from basic disposal to active resource recovery. Driven by water scarcity, stringent regulatory limits on emerging contaminants (PFAS, endocrine disruptors), and the rise of indirect and direct potable […]

INTRODUCTION In municipal water, wastewater, and industrial fluid transport systems, gate valves are the quintessential isolation mechanism. However, a common misconception plagues piping design: the assumption that because gate valves are typically operated either fully open or fully closed, calculating their flow coefficient is unnecessary. This oversight makes Gate Valves Sizing and Selection: Cv one […]

INTRODUCTION Water and wastewater pump station failures, pipe ruptures, and operator injuries often trace back to a seemingly simple, yet notoriously misapplied component: the check valve. An incorrect valve selection at the pump discharge can lead to destructive water hammer, severe valve slam, chronic ragging, and premature mechanical failure. For consulting and utility engineers, understanding […]

Understanding ozonation meaning is the practical foundation operators and engineers need before they specify or operate an ozone system for drinking water or wastewater. This article cuts the chemistry down to what matters on site — how molecular ozone and hydroxyl radical pathways drive oxidation versus disinfection, and how that translates into generator choice, contactor […]

Introduction In municipal and industrial water systems, sediment accumulation is a silent efficiency killer. While automatic flushing for potable water distribution systems is a mature technology, applying similar concepts to raw water, wastewater, and industrial slurries presents a drastically different set of engineering challenges. A surprising number of capital projects fail prematurely because specifications rely […]

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 […]

Introduction The modern wastewater stream has undergone a radical transformation in the last two decades. The proliferation of non-dispersible synthetic fabrics—commonly known as “flushable” wipes—combined with water conservation mandates that reduce transport velocities, has created a perfect storm for municipal and industrial operators. For engineers involved in lift station design and treatment plant operations, the […]

FACILITY BASIC INFORMATION Plant Name: Northside Wastewater Treatment Plant Location: 5628 N. 105th E. Ave, Tulsa, Tulsa County, Oklahoma Operating Authority: Tulsa Metropolitan Utility Authority (TMUA) / City of Tulsa Design Capacity: 42.6 MGD (Million Gallons per Day) Current Average Flow: ~28-30 MGD Population Served: Approx. 165,000 residents Service Area: North Tulsa, Owasso, Catoosa, and […]