To use the online PFAS Assessment Tool:
- Enter the sample date and location (kitchen, bathroom, etc.).
- Enter the sample results.
- If the results is reported as “not detected” or as a less than (<) value, enter 0.
- If one or more of the PFAS listed below were not analyzed, enter 0.
- Press the evaluate button
- All the boxes must have a value or “0” or the analysis will not run.
- Follow the recommended actions.
- If PFAS levels are low, you can continue to use your water as normal.
- If PFAS levels are high, you should use an alternative source of water for drinking, preparing foods that take up a lot of water (like rice, jello, and oatmeal), and watering fruit and vegetable gardens. You can use water from a public water system or private well that has low levels of PFAS, purified bottled water, or water from a certified treatment device.
- To obtain a summary of your results, press the Summary button and print or save a copy.
If you have questions about interpreting your PFAS results or the recommended actions, please take a screenshot of the Summary Form or print it out and email DHS at DHSEnvHealth@dhs.wisconsin.gov.
This data is not archived – this is solely a tool for your own personal use.
Recommended Actions
Results Summary
Potential health risk
Potential health risk
PFBA:
PFDA:
PFBS:
PFUnA:
PFHxA:
PFTeA (PFTeDA):
GenX (HFPO-DA):
DONA (NaDONA):
PFHxS:
PFNA:
FOSA, NEtFOSE, NEtFOSA, and NEtFOSAA:
PFOA:
PFOS
Hazard Index:
< Back to Recommendations
PFAS
Recommended Standard (ng/L)
Sample Result (ng/L)
Ratio
Notes
PFBA
10000
PFBS
2000
PFHxA
150000
GenX
10
PFHxS
10
DONA
3000
PFNA
10
PFDA
300
PFUnA
3000
PFTeA
100000
PFOA
4
PFOS
4
FOSA
FOSE
20
NEtFOSE
NEtFOSA
NEtFOSAA
Total Hazard Index: