WATER & WASTEWATER · BANGLADESH
Water and wastewater engineering in practice
I’m Arif Anwar (Ochin), a water and wastewater engineer in Bangladesh. I write about commissioning, operating, and improving industrial treatment plants, drawing on work in water reuse, project delivery, and technical training.
LATEST RESOURCE
Excel for ETP and WTP O&M
Four sample workbooks and a fillable checklist pack for shift rounds, water quality, maintenance, dosing, and report review.
Plant operations and field notes
Chapter 1. Effluent Treatment Plant (ETP)
Ten illustrated lessons on treatment flow, shift work, equipment, sampling, and troubleshooting.
1.1 Operations · 1.2 Maintenance · 1.3 Inspection · 1.4 Troubleshooting
The Day a Treatment Plant Really Starts. What the first operating shifts teach us after commissioning.
Interview preparation
Questions and sample answers for plant and environmental roles in Bangladesh.
ETP, RO & WTP Operator
Shift checks, process basics, and RO readings.
In-Charge & Manager
Plant performance, troubleshooting, costs, and teams.
ECR Officer & Compliance
Clearance, sampling, reporting, and responding to an exceedance.
Selected work and research
- Selected Work. Engineering experience in industrial treatment, project delivery, and water reuse.
- Hilsa — The Living Estuary. An interactive model of hilsa migration between the Bay of Bengal and the Meghna estuary.