MWUA Water Calculators

On this page, you can find 20+ water calculators for use in the field, office, or anywhere in between. From administrative to treatment to distribution, we’ve developed some of the most commonly used calculations into an online and mobile friendly format.

Simply bookmark this page on your desktop or mobile device to keep it at your fingertips.

Questions about one of the calculators or ideas for the future, reach out to us today. And, be on the lookout for future calculators later this year!

Select A Calculator Category

Chemical Feed Pump Calculators

Chemical Feed Pump Disinfection Calculator

Chemical Feed Pump Setting Stroke Calculator

Disinfection & Treatment Calculators

Pipe and Tank Disinfection Calculator (Sodium Hypo)

Pipe and Tank Disinfection Calculator (Calcium Hypo)

Blending Calculator

Filter Loading Rate Calculator

Emergency, Safety & Security Calculators 

Asset Security Calculator

Asset Risk Calculator (Selection Type)

Water Loss Calculators

Unaccounted for Water Calculator

Hole in Pipe Calculator

Rectangular Break Calculator

Circular Break Calculator

PUC Calculators

Simple Cash Flow Calculator

Conversion Calculators

Cubic Feet and Gallons

MGD to Minutes and Seconds

Cubic Feet per Second to MGD and GPM

Feet of Water to PSI

Gallons of Water to Weight

Miles to Feet

Percent Concentration to mg/L

Tank Volume Calculator

A big thanks to the Maine DWP!

This project would not have been possible without generous financial support, input and review, as well as guidance from the Maine Drinking Water Program and its staff. We’d also like to take the time to thank our many industry experts, contributors, and beta-testers. If you find these tools useful, please take a moment to say thanks as we’re sure they’d love to hear from you.