Detroit, MI 48201 · Utility tests 2013–2023
Detroit’s tap water has 11 contaminants, 5 above health guidelines.
- Water quality score
- 6out of 10Fair
Counts contaminants above an EWG health guideline, weighted by the harm the guideline protects against. 8 and above is good; 5 and above is fair.
- Above a health guideline
- 5of 11 found
- Linked to cancer
- 4above guideline
- In the SGS test program
- 4of 11 found
Contaminants found here that SGS measured the Sans Water Purifier against.
Water data: EWG Tap Water Database, utility test results 2013–2023. Guidelines are EWG health guidelines set by federal or state public-health authorities; legal limits differ.
What’s in the water
Level found: 20.1 ppb
Health guideline: 0.06 ppb
335×Removed by RO
Level found: 24.9 ppb
Health guideline: 0.15 ppb
166×Removed by RO
Level found: 12.4 ppb
Health guideline: 0.1 ppb
124×Removed by RO
Level found: 0.116 ppb
Health guideline: 0.02 ppb
5.8×Tested · 98.6%
Level found: 0.455 ppm
Health guideline: 0.14 ppm
3.2×Tested · >99.9%
- PFAS
Level found: 0.057 ppt
Health guideline: 0.3 ppt
0.19×Tested · >99%
- PFAS
Level found: 16.1 ppt
Health guideline: 1,000 ppt
0.02×Removed by RO
Level found: 0.106 ppb
Health guideline: 1,500 ppb
0.00×Removed by RO
Level found: 0.588 ppm
Health guideline: No health guideline
No health guidelineTested · >99.9%
Level found: 0.194 ppb
Health guideline: 21 ppb
0.01×Not tested
10 of 11 contaminants
Tested: measured by SGS on the Sans Water Purifier, the lab’s own figure. Removed by RO: listed by EWG as reduced by reverse osmosis, the purifier’s filter type. Not tested: neither.
Where this report applies
Utilities serving zip 48201. Map data © OpenStreetMap contributors.
What the Sans Water Purifier is tested to reduce
SGS, an ISO/IEC 17025 laboratory, measured the purifier’s reduction of 19 contaminants (Dec 2023 to Mar 2024). These are the worst in Detroit’s water that were in that program.
- Hexavalent chromium98.6%Maximum measured reduction
- Nitrate>99.9%Maximum measured reduction
- Perfluorooctane sulfonate>99%Maximum measured reduction
Figures are the laboratory’s own, measured under test conditions. Your tap water differs from the challenge water.