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Water Quality Report · Updated October 07, 2026

DEARBORN HEIGHTS

Serving 57,774 residents in DEARBORN HEIGHTS, Michigan .

National rank 37th percentile
Michigan rank 6th percentile
Data confidence Medium
Quick answer

DEARBORN HEIGHTS delivers tap water graded C (66/100) by TapWaterSafety.org. The utility serves approximately 57,774 residents in DEARBORN HEIGHTS, Michigan using surface water (purchased). 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. For questions, the utility can be reached at 313-791-6006.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
57,774
People served
1
City served
9
Contaminants detected
5
Above health guidelines

Is DEARBORN HEIGHTS tap water safe to drink?

DEARBORN HEIGHTS delivers tap water that earns a grade of C (66/100) from TapWaterSafety.org — an average rating, with several contaminants above health guidelines but generally compliant with US legal limits.

The utility serves 57,774 residents in DEARBORN HEIGHTS, drawing from surface water (purchased).

Public testing data identifies 5 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Chromium (hexavalent), Nitrate*. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.

EPA compliance record

Official U.S. EPA records for DEARBORN HEIGHTS (system ID MI0001740) for the last 3 years. Checked 2026-10-07.

Health-based violation in the last 3 years. A contaminant was above the legal limit or required treatment was not met in at least one quarter.
9 of 12quarters with a violation
Nolead above EPA action level
01/29/2025last state inspection
RuleTypeSinceStatus
Lead and Copper Rule Revisions Missed reporting 10/17/2024 Open
Public Notice Rule and Revised PN Rule Other (e.g. public notice) 01/09/2025 Open
Lead and Copper Rule Revisions Required treatment not met 10/17/2024 Open
Consumer Confidence Rule Other (e.g. public notice) 07/01/2023 Open
Lead and Copper Rule Missed testing or reporting 10/11/2024 Open
Stage 2 Disinfectants and Disinfection Byproducts Rule Missed testing or reporting 07/01/2023 Open

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for DEARBORN HEIGHTS.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 25.7 ppb, 429x above the EWG health guideline of 0.06 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 30.0 ppb, 200x above the EWG health guideline of 0.15 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 13.7 ppb, 137x above the EWG health guideline of 0.1 ppb.

Contact DEARBORN HEIGHTS

Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.

Recommended water filters for DEARBORN HEIGHTS

Filters matched to the specific contaminants in this water supply.

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

Score breakdown

This utility's overall score of 66/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
31 / 40
Legal Compliance
8 / 20
High-Risk Contaminants
20 / 20
Compliance History
0 / 10
Source Water Vulnerability
7 / 10

Contaminants detected — international standards comparison

Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). 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
25.7 ppb 0.06 — — — — — 429× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
30.0 ppb 0.15 80.0 100 — — — 200× over
Haloacetic acids (HAA5)
Disinfection byproduct
13.7 ppb 0.1 60.0 60 — — — 137× over
Chromium (hexavalent)
Heavy metal
0.1 ppb 0.02 — — — — — 5.0× over
Nitrate*
Inorganic
0.557 ppm 0.14 10.0 11.3 11.3 10 — 4.0× over
Vanadium
Other
0.318 ppb 21.0 — — — — — Below guideline
Manganese
Heavy metal
0.3 ppb 100.0 — 50 80 — — Below guideline
Strontium
Radiological
0.102 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 (4th ed.), California OEHHA PHGs, EWG Tap Water Database.

DEARBORN HEIGHTS service area

This water system serves 1 community in Wayne County, Michigan. Click any city for its dedicated tap water quality page.

About this water system

Public Water System ID
MI0001740
Owner type
Local government
Source water
Surface water (purchased)
Service connections
24,400
Service area
DEARBORN HEIGHTS, Wayne County, Michigan