Tap Water Quality Report

Tap water quality in YPSILANTI, Michigan

Served by YPSILANTI COMMUNITY UTILITY AUTHORITY. 53,988 residents.

Average score 78/100
Utilities 1
Population 53,988
Quick answer

Tap water in YPSILANTI, Michigan receives a grade of C (78/100) from TapWaterSafety.org. It's served by YPSILANTI COMMUNITY UTILITY AUTHORITY. 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.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?

What's in YPSILANTI's tap water

Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving YPSILANTI.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 26.2 ppb, 436x above the EWG health guideline of 0.06 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 28.7 ppb, 191x above the EWG health guideline of 0.15 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 12.8 ppb, 128x above the EWG health guideline of 0.1 ppb.

Recommended filters for YPSILANTI

Filters matched to the specific contaminants in YPSILANTI's water supply.

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 YPSILANTI'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
26.2 ppb 0.06 436× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
28.7 ppb 0.15 80.0 100 191× over
Haloacetic acids (HAA5)
Disinfection byproduct
12.8 ppb 0.1 60.0 60 128× over
Chromium (hexavalent)
Heavy metal
0.151 ppb 0.02 7.6× over
Nitrate*
Inorganic
0.557 ppm 0.14 10.0 11.3 11.3 10 4.0× over
Manganese
Heavy metal
10.8 ppb 100.0 50 80 Below guideline
Chlorate
Disinfection byproduct
4.56 ppb 210.0 Below guideline
Vanadium
Other
0.438 ppb 21.0 Below guideline
Strontium
Radiological
0.103 ppb 1500.0 Below guideline
Fluoride*
Inorganic
0.623 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 YPSILANTI COMMUNITY UTILITY AUTHORITY.

ZIP codes served

YPSILANTI's public water systems serve the following ZIP codes: