Welcome to MRWA’s Water Tools! Simply click on a calculator you would like to use, enter your numbers and get the result.
A Note About Browsers: If you find that a calculator is not providing you with immediate results, try clearing your browser cache or simply close the calculator and reopen it. As well, if you use Internet Explorer, you may need to click the Compatiblity View button.
Water Loss Tracking Tools
Circular Break Around Pipe
Hole In Pipe
Rectangular Break Along Pipe
Special Calculators
Monthly Water Loss
Sizing A Chemical Feed Pump
Annual Water Loss Average
Hydrant or Pipe Flush Flow Calculator
Well Drawdown and
Specific Capacity Calculator
Solution Strength Mix Calculation
Percent Efficiency Calculator
NPDES Permit
Design Flow Exceedence
Disinfection Formula Calculators
Pipe Disinfection Formula
Tank Disinfection Formula
Well Casing Disinfection Formula
Wastewater Infiltration Calculators
Wastewater Inflow Calculator
Wastewater Infiltration
Calculator – Circular Break
Wastewater Infiltration
Calculator – Circular Hole
Wastewater Infiltration
Calculator – Rectanglar Break
Certification Eligibility Calculator
