As you know Wastewater Math Solutions are valuable training tools!


I have a YouTube Channel with Playlist of Wastewater Math Solutions & some “Math Solutions” are embedded in articles I have published on Water Online Web Site in a Series of “Math Solutions”.

New videos should be published at least once weekly on my YouTube Channel. 


New articles should be published at least once monthly on Water Online Web Site!


View the “Math Solutions” by clicking any link/image below:

YouTube Channel:

Time required to fill the Tank & pounds of Total Metals in the Tank

 Tnak-Time Metals-1

Alkalinity required for conversion of ammonia


Wastewater Dan’s Math Solutions (60+ Videos) on YouTube

 Math Solution-Videos-1

Water Online-Articles with videos:

Wastewater Dan’s Math Solutions article “Intro”

 Math Intro-1

Wastewater Dan’s Math Solutions article “Waste Activated Sludge”

Math WAS-1

Wastewater Dan’s Math Solutions article “Flow Rate Conversions”

Math Flow-1

Wastewater Dan’s Math Solutions article “Volume Calculations”

 Volume Calculations-1


Wastewater Dan’s Math Solutions “Pump Performance/Efficiency Calculations

Math Pumps-1

“Math Solution” calculations also available for others & the following:


1-How many gallons of sludge can be applied to one acre of land?


2 What is the Trickling Filter Recirculation Ratio?


3 Having no short circuiting, when did the metered wastewater enter the clarifier?


4 Calculate the pounds of lime required per day!


5 Determine suspended solids removal efficiency and the concentration factor!


6 Calculate Press Sludge Cake Solids Produced in Cubic Yards!


7 How many mL/min of liquid alum will be needed in the waste stream to produce the jar test results?


8 What percentage is the side stream Suspended Solids to the influent load of the secondary treatment plant?


9 Calculate the flow rate of wastewater in cubic feet per second!



Dan Theobald-Environmental Services Simpsonville, South Carolina




About Dan Theobald:

Known in the industry as “Wastewater Dan,” Daniel L. Theobald, proprietor of Environmental Services, is a professional wastewater and safety consultant/trainer. He has more than 24 years of hands-on industry experience operating many variants of wastewater treatment processing units and is eager to share with others his knowledge about water conservation. (www.Conserve-On-Water.com).

Theobald serves as an active consultant for industries looking to achieve and maintain improved wastewater treatment at reduced cost. He is a Lifetime Member of the Who’s Who Registry of Professionals and holds numerous certifications from wastewater management regulatory boards and professional organizations. Theobald contributed one chapter to the Water Environment Federation’s (www.wef.org) Manual of Practice # 37 (MOP-37), a technical manual resource guide for biological nutrient removal, published the summer of 2013. He also publishes educational videos (https://www.youtube.com/user/wastewaterdan/)

and authors two Blogs; Wastewater Education; (http://TheWastewaterWizardBlog.com/)

and a Water Status;


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