A comprehensive, practical reference bringing together WEF’s trusted Operator Essentials articles on treatment processes, equipment, maintenance, and safety.
TheOperator Essentials: What Every Operator Needs to Know gathers WEF’s trusted Operator Essentials articles into one comprehensive reference covering the knowledge operators rely on most. Organized for easy access, this collection explores essential treatment processes, equipment, maintenance, safety practices, and operational best practices through practical, straightforward articles written by experienced industry professionals.
Operator Essentials: What Every Operator Needs to Know includes
- New operators building foundational knowledge
- Experienced operators seeking quick refreshers
- Trainers and instructors supporting operator education
- Utilities looking to strengthen workforce development
Whether used in the classroom or on the plant floor, this compilation is a practical resource operators will reach for again and again.

Table of Contents:
Chapter 1 Preliminary and Primary Treatment
Chapter 2 Secondary Treatment
Chapter 3 Nutrient Removal and Tertiary Treatment
Chapter 4 Solids Management
Chapter 5 Collection Systems
Chapter 6 Instrumentation and Technology
Chapter 7 Energy and Reuse
Chapter 8 Workforce Development, Training, and Certification
Chapter 9 Maintenance
Chapter 10 Safety
Chapter 11 Utility Management and Finance