SFD Graphic Generator
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About the SFD Graphic Generator
Use this tool to produce an SFD Graphic in just three steps.
Input the data relevant to your city (or urban area) and, with a couple of clicks, the tool draws an SFD Graphic that you can download for use in reports and publications.
The SFD Promotion Initiative developed the tool and if you have any questions please contact the SFD Helpdesk who will be happy to help.
Step One:Enter general information about the city or urban area
Now select the sanitation systems in use in your city or urban area
Use the cursor to hover-over the selection grid and then click on the selected systems.
The grid below is used to select the different systems to be included in the SFD for each city.
The left hand column, List A, contains a list of the different containment technologies that toilets discharge to, while the top row, List B, contains a list of what each of these containment technologies could then be connected to (i.e. where the outlet or overflow discharges to).
- Moving the cursor over each grid square will highlight the containment technology (from List A) and what it is connected to (from List B). Select the system by clicking on the chosen cell. The selected cell will turn GREEN . The label numbers that appear are for reference only, you can cross-check these against the system labels listed when you create the SFD matrix. You can deselect the system by clicking on it again.
For some systems the risk of groundwater pollution must be taken into account; a split cell represents these systems.
- Select the top half of the cell where there is a SIGNIFICANT risk of groundwater pollution. The selected cell will turn BLUE .
- Select the lower half of the cell where there is a LOW risk of groundwater pollution. The selected cell will turn YELLOW .
The risk of groundwater pollution can be estimated from data on drinking water from groundwater sources, hydrogeology and the distance between groundwater sources and sanitation facilities.
Click this button to go to a web based tool to help you estimate the risk of groundwater pollution in all regions of the city:
Not applicable indicates where the combination of technologies is not possible. These cells cannot be selected and are permanently white.
Step Two:Create your SFD matrix
Enter the proportion of the contents of each type of onsite container which is faecal sludge.
Now create your SFD matrix by clicking on the "Create SFD matrix" button.
Next you need to input your data to the SFD matrix
Use the SFD matrix below to enter data for each selected sanitation system.
Scroll to the right to see all the steps of the sanitation service chain
Step Three:Draw your SFD graphic
Create your SFD graphic by clicking on the "Draw SFD graphic" button. You can still go back and make changes in your systems selection or in the matrix.
Download the data for your records, for working on later or for sharing.
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