A reference built for the plant floor.
Every operational discipline, organized into eight operator-relevant categories — with filtering, learning paths, calculators, and in-depth articles written for licensed operators, superintendents, and process engineers.
Learning paths that pull the library together.
Curated tracks for new operators, nutrient removal, wet weather, certification, and solids handling — each one an ordered sequence through the topics that matter most.
Eight disciplines cover the whole plant.
Process Control
Activated sludge biology, nutrient removal, settling, lab data, and the process math that keeps effluent in permit.
Equipment
How pumps, blowers, clarifiers, digesters, valves, odor systems, and electrical gear actually work — and what fails.
Compliance & Permits
NPDES limits, DMRs, pretreatment, SSOs, and the realities of staying in compliance month after month.
Operations & Wet Weather
Shift routines, wet-weather response, emergency operations, and the safety culture that keeps the plant running.
Biosolids & Solids Handling
Thickening, digestion, dewatering, and biosolids management from feed sludge to haulable cake.
Collection Systems
Gravity mains, force mains, lift and pump stations, I/I, and SSO prevention out in the system.
Certification & Career Development
Exam prep, certification progression, supervision, and moving from operator to superintendent.
Technology & Plant Upgrades
SCADA, instrumentation, asset management, energy optimization, and water reuse.
Find exactly what you need.
15 Resources
Operator math, worked for your plant.
F/M, MCRT, detention time, chlorine CT, clarifier loading, pump horsepower — plug in your own numbers for an accurate result, mobile-friendly.
The industry's most useful newsletter, straight from the plant floor.
One email. No fluff. New lessons, equipment breakdowns, and process control notes, delivered when there's something worth reading.