ROI Calculator

Inflow and infiltration can lead to sanitary sewer overflow and increased sewage treatment costs. Rainstopper's manhole inserts can significantly lower inflow decreasing the costs for sewage treatment in a short amount of time, producing a significant return on your inflow reduction investment over the long term. 

Enter the unique values for your municipality in the blue entry fields to calculate your ROI using the Rainstopper System. Use the scroll bars when necessary to adjust the view of the spreadsheet.


What are your yearly savings with Rainstopper?