Echelon Institute
Canadian Water & Wastewater
๐ Home
๐ OIT Practice
๐ OIT Mock Exam
๐ง C1 Water Practice
๐ C1 Water Mock
๐ C1 Water Formulas
๐ง C2 Water Practice
๐ C2 Water Mock
๐ C2 Water Formulas
๐ฆ C1 WW Practice
๐ C1 WW Mock
๐ C1 WW Formulas
โป๏ธ C2 WW Practice
๐ C2 WW Mock
๐ C2 WW Formulas
๐ง C3 Water Practice
๐ C3 Water Mock
๐ C3 Water Formulas
๐ง C4 Water Practice
๐ C4 Water Mock
๐ C4 Water Formulas
๐ญ C3 WW Practice
๐ C3 WW Mock
๐ C3 WW Formulas
๐ญ C4 WW Practice
๐ C4 WW Mock
๐ C4 WW Formulas
๐งช WQA Practice
๐ฌ WQA Mock Exam
๐ WQA Formulas
๐ WPI โ BC / AB / SK / MB
๐ WPI C1 Water Practice
๐ WPI C1 Water Mock
๐ WPI C1 Water Formulas
๐ WPI C2 Water Practice
๐ WPI C2 Water Mock
๐ WPI C2 Water Formulas
๐ WPI C3 Water Practice
๐ WPI C3 Water Mock
๐ WPI C3 Water Formulas
๐ WPI C4 Water Practice
๐ WPI C4 Water Mock
๐ WPI C4 Water Formulas
๐ WPI C1 WW Practice
๐ WPI C1 WW Mock
๐ WPI C1 WW Formulas
๐ WPI C2 WW Practice
๐ WPI C2 WW Mock
๐ WPI C2 WW Formulas
๐ WPI C3 WW Practice
๐ WPI C3 WW Mock
๐ WPI C3 WW Formulas
๐๏ธ WPI C4 WW Practice
๐ WPI C4 WW Mock
๐ WPI C4 WW Formulas
๐ WPI Overview
๐ Formulas
๐ญ Process Guide
โป๏ธ Wastewater
โ๏ธ Pumping
๐งฎ Math Practice
๐งช Chem Calc
๐ฌ Lab
๐บ๏ธ Career Map
๐ Mock Exam
โน๏ธ About
๐ซ My Passes
๐ WPI โ BC / AB / SK / MB ยท CLASS III WATER TREATMENT
Class III Formula Sheet
Advanced treatment, membranes, process control & regulatory calculations for the WPI Class III exam
โก
Ozone & UV Disinfection
๐ฌ
Membrane Filtration
โ๏ธ
Advanced Coagulation & Process Control
๐ง
Hydraulics & Pumping
๐
Regulatory & QMS Calculations
๐๏ธ
Sludge & Residuals Management
โก Quick Reference โ Class III Key Values
Ozone CT (3-log Giardia, 25ยฐC)2.0 mgยทmin/L
UV Dose (4-log Crypto)40 mJ/cmยฒ
MF/UF Typical Flux20โ80 LMH
RO Typical Recovery70โ85%
Rapid Mix G300โ1000 sโปยน
Flocculation G10โ75 sโปยน
Flocculation Gt10,000โ100,000
Sedimentation SOR (conventional)20โ40 m/d
TTHM MAC (RAA)0.100 mg/L
HAA5 MAC (RAA)0.080 mg/L
Giardia log removal (filtration credit)2-log
Cryptosporidium log removal (filtration credit)2.5-log
Virus log removal (filtration credit)2-log
Alum alkalinity consumption0.5 mg CaCOโ per mg alum
Minimum residual alkalinity (coagulation)> 30 mg/L as CaCOโ