Tag: water management

Mar 07
Hydrant Flushers for Slurry and High-Solids Service: What Works and What Fails

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 […]

Mar 05
Fail Positions

Introduction In the hierarchy of critical decisions a process engineer makes during the design of a water or wastewater treatment facility, few specifications have as immediate a safety impact as fail positions. While pump curves and pipe sizing dictate the system’s efficiency during normal operation, the fail position of control valves and actuators dictates the […]

Mar 03
Water Reclamation Facilities: Sustainable Water Reuse Infrastructure

When reuse moves from planning to practice, the water reclamation facility becomes the system-level enabler that dictates cost, energy, and regulatory risk. This guide gives engineers, utility managers, and plant operators a practical framework for planning, designing, financing, and operating modern reclamation facilities, with technology tradeoffs, measurable performance benchmarks, and procurement examples for MBRs, RO, […]

Mar 01
Progressive Cavity Seal Failures: Causes

Introduction For municipal and industrial engineers, few equipment failures are as frustrating—or as messy—as a mechanical seal breach on a progressive cavity (PC) pump. While the stator and rotor are generally viewed as the primary wear components, the shaft seal is frequently the weakest link in the reliability chain. A seal failure in a sludge […]

Feb 28
Preventive Maintenance Plan for Split Case (Intervals Spares Work Orders)

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 […]

Feb 27
Non-Clog Wastewater Pumps Pump Curve Reading for Operators (BEP Runout Shutoff and Control)

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). […]

Feb 26
Commissioning Propeller Pump: Startup Checklist and Acceptance Tests

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 […]

Feb 24
Anoxic Zones in Wastewater Treatment: Nitrogen Removal Explained

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, […]

Feb 24
Metropolitan Water Reclamation District Hanover Park Water Reclamation Plant

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 […]

Feb 23
Pinellas County South Cross Bayou Water Reclamation Facility

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: […]