Installed + ongoing cost
Water Treatment Cost Calculator
Estimate a low, planning, and high range for equipment, installation, and ownership. Use the result to compare itemized quotes—not as a contractor bid.
Your estimate will appear here
Select a treatment category and household assumptions. The calculator uses broad national planning ranges and clearly separates upfront and ongoing costs.
Use the estimate correctly
The calculator does not identify which system you need. Start with a utility report or laboratory result, then compare two or more proposals against the same treatment goal, flow rate, maintenance schedule, and certified performance claim.
Plan the next step
Plan replacement costs Know what ownership will cost
Compare upfront equipment and installation with the maintenance a system needs over time.