Free Tools
A number of other sites have free downloads.
- Engineering.Com has links to a number of free downloads here.
- The Water Industry Operators Association Web Site has an Operator Resources Section which contains a few handy spreadsheets.
- Pump Efficiency Calculation Tool
- Engineering Toolbox
- Online Statistical Analysis Calculators
- 22 Free Tools for Data Visualization
- Sustainable Sanitation and Water Management Toolbox