Tap Water Quality Report
Tap water quality in SOUTHFIELD, Michigan
Tap water in SOUTHFIELD, Michigan receives a grade of C (78/100) from TapWaterSafety.org. It's served by SOUTHFIELD. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in SOUTHFIELD's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving SOUTHFIELD.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 23.5 ppb, 392x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 28.0 ppb, 187x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 17.8 ppb, 178x above the EWG health guideline of 0.1 ppb.
Recommended filters for SOUTHFIELD
Filters matched to the specific contaminants in SOUTHFIELD's water supply.
Carbon block (NSF/ANSI 42 + 53)
$40-$750Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
All contaminants detected in SOUTHFIELD's tap water
Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
23.5 ppb | 0.06 | — | — | — | — | — | 392× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
28.0 ppb | 0.15 | 80.0 | 100 | — | — | — | 187× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
17.8 ppb | 0.1 | 60.0 | 60 | — | — | — | 178× over |
| Chromium (hexavalent) Heavy metal |
0.118 ppb | 0.02 | — | — | — | — | — | 5.9× over |
| Nitrate* Inorganic |
0.517 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 3.7× over |
| Manganese Heavy metal |
21.3 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Vanadium Other |
0.123 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.101 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride* Inorganic |
0.633 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.
Treatment plant contact info
For service issues, water quality concerns, or to request a Consumer Confidence Report from SOUTHFIELD.