Tap Water Quality Report

Tap water quality in MACOMB, Michigan

Served by MACOMB TOWNSHIP. 90,000 residents.

Average score 78/100
Utilities 1
Population 90,000
Quick answer

Tap water in MACOMB, Michigan receives a grade of C (78/100) from TapWaterSafety.org. It's served by MACOMB TOWNSHIP. 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 MACOMB's tap water

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

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 22.6 ppb, 377x above the EWG health guideline of 0.06 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 30.5 ppb, 203x above the EWG health guideline of 0.15 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 14.4 ppb, 144x above the EWG health guideline of 0.1 ppb.

Recommended filters for MACOMB

Filters matched to the specific contaminants in MACOMB'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 MACOMB'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
22.6 ppb 0.06 377× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
30.5 ppb 0.15 80.0 100 203× over
Haloacetic acids (HAA5)
Disinfection byproduct
14.4 ppb 0.1 60.0 60 144× over
Chromium (hexavalent)
Heavy metal
0.163 ppb 0.02 8.1× over
Nitrate*
Inorganic
0.4 ppm 0.14 10.0 11.3 11.3 10 2.9× over
Manganese
Heavy metal
2.15 ppb 100.0 50 80 Below guideline
Vanadium
Other
0.286 ppb 21.0 Below guideline
Strontium
Radiological
0.0995 ppb 1500.0 Below guideline
Fluoride*
Inorganic
0.677 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 MACOMB TOWNSHIP.

ZIP codes served

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