Unit Conversions
Move between the units used in wastewater calculations.
Practice Unit ConversionsChoose a Topic
Focus on one kind of wastewater math at a time.
Area & Volume
Find the space inside common tanks, basins, and channels.
Practice Area & VolumeDetention Time
Connect basin volume, flow, and time.
Practice Detention TimeLoading / Pounds
Calculate the pounds carried or applied in a process.
Practice Loading / PoundsPercent Removal
Compare influent and effluent values as a percent removed.
Practice Percent RemovalFlow Rate Through a Channel
Use channel area and velocity to find flow.
Practice Flow Rate Through a ChannelDosage & Feed
Practice dose, flow, and chemical-feed problems.
Practice Dosage & FeedMixed Practice
Mix problems from several topics.
Start Mixed Practice