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10 Useful Wastewater Industry Apps

The following is a collection of mobile apps primarily for the wastewater industry. Please note: we have not personally tested each of these applications, but we have chosen well-reviewed products to include in this list. Don’t see your favorite app? Comment with what we may have missed!

Water Calculator by Mettler-Toledo Thornton

This water calculator app gives users the ability to do simple conductivity, resistivity, and flow calculations.







Wastewater Manager by H3 Apps

H3’s Wastewater Manager app is designed for wastewater operators, engineers, or anyone else who has a need for easy to use mathematical formulas relating to wastewater.




Wastewater Inflow Calculator by Missouri Rural Water Association

This app makes it easy for wastewater operators to calculate inflow for reporting or record keeping.



Waste Water Reclamation Plant from THInc

This app makes it easy to calculate MLSS, RAS, and WAS for those who work at Water Reclamation Facilities. 








Tank Drain by Michael LaRose

This is a calculator that operators can use in the field or office to determine the time it will take for a vertical cylindrical tank to drain from one level to another if a leak is developed.




Waterworld: Complete Coverage of Water and Wastewater

You can stay on top of the important issues affecting the water, wastewater, industrial water and storm water industries with this free app from WaterWorld.




National Rural Water Association App

The NRWA operations app contains suite of functions designed to aid operations specialists in the water and waste water industry. The app includes calculators for common water functions. It also includes an NRWA news feed and access to the NRWA on-line Resource Center.




Water Pipe Sizing – Pipe Sizer from .TT pocketEngineer SD

A quick design solution for pipe sizing + pipe friction loss, chilled-water flowrate, condenser water flowrate, hot water flowrate, drainage gravity flow, drainage pipe gradient, pump motor KW, etc.




Water Corrosion Analyzer

This app is your water corrosion consultant. It includes a user-friendly, interactive questionnaire designed to assist you with assessing your water system condition, associated risk, and generate practical solutions for corrosion related problems.




Sewer Rat Run

 Can’t get enough of the wastewater industry? Want to have some fun in the sewers? Find your way out with Sewer Rat Run!


TNphoto Tatsuya Nakagawa
Tatsuya Nakagawa is the VP of Marketing and co-founder of Castagra Products, a storage tank and wastewater coatings manufacturing company that is highly acclaimed for its sustainable coatings and cold weather coating applications. Castagra products are NSF-61 certified and are used by the world’s top water and wastewater contractors.