WaterVerge

Is Trenton, MI Tap Water Safe to Drink?

Graded A-, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

19K residents served 1 water system PWSID: MI0006650
Overall Score
88.2 / 100
Violations
2 active
Last Updated
May 2026
Source
Purchased surface water
#162 of 520 in Michigan Top 23% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
88.2/100
waterverge.com
A- 88.2/100

Trenton, MI — Water Quality Report

Trenton's drinking water received a grade of A- (88.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 18,544 residents using purchased surface water.

Lead levels were measured at 4.7 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 7 violations on record, including 1 health-based violation. 2 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Trenton's water

Trenton ranks #162 out of 520 cities in Michigan for water quality, placing it mid-range in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

Hexavalent chromium (chromium-6) was detected at 0.11 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

Quality Breakdown

Water quality score

See methodology →
88.2 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.5/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.7 ppb (90th percentile).
Contaminants
18.8/20
A
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Trenton, MI water safe to drink?

Use Caution

Trenton's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (88.2/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 18,544 residents using surface water (rivers, lakes, or reservoirs).

2
Active Violations
4.7 ppb
Lead (90th %ile)
None
PFAS Detected
6 events
Disaster History

Recent water quality updates for Trenton

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Trenton's water quality assessment. Grade: A- (88.2/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-4757). Flood event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4195). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Key contaminant findings

Based on the most recent EPA sampling data for Trenton's water supply.

Lead Within Limits
Detected: 4.7 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Trenton's water system has 7 total violations on record, including 1 health-based violation. 2 remain unresolved. 1 violation was issued in the last 5 years.

RPTMRMCLOther
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Sep 2015 TTHM Resolved
Sep 2015 Total Haloacetic Acids (HAA5) Resolved
Aug 2013 Coliform (TCR) Resolved
Apr 2013 TTHM Resolved

Flood & environmental risk

Wayne County has experienced 6 federally declared disasters since 1972. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Ecorse River, Frank And Poet Drain, Detroit R At Sw Water Intake Nr Grassy Island.

SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-4757
SEVERE STORMS AND FLOODING
Flood FEMA DR-4195
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3225

Where does Trenton's water come from?

Trenton's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 18,544 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Ecorse River (river), Frank And Poet Drain (river), Detroit R At Sw Water Intake Nr Grassy Island (river).

What Trenton residents can do

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Trenton's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
4.7 ppb
EPA Action Level: 15 ppb · 31% of limit
Safe Level
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
13.2 µg/L
EPA MCL: 60 µg/L · 22% of limit
Within LimitUCMR 4 DataHAA6Br: 6.6 µg/LHAA9: 19.2 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.11 µg/L
CA MCL (no federal MCL): 10 µg/L · 1% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
156.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 10% of limit
DetectedUCMR 3 Data
Manganese
Inorganic
Detected
0.9 µg/L
EPA Secondary MCL: 50 µg/L · 2% of limit
DetectedUCMR 4 Data
Vanadium
Inorganic
Detected
0.34 µg/L
EPA Short-term HA: 21 µg/L · 2% of limit
DetectedUCMR 3 Data
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

7
Total violations
1
Health-based
2
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

7 Total
2 Active
1 Health-based
5 Resolved
2 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
4
Lead and Copper Rule Revisions
1
Total Coliform Rule
1
Consumer Confidence Rule
1
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Sep 2015 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Nov 2015
Sep 2015 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Nov 2015
Aug 2013 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2013
Apr 2013 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved May 2013
Apr 2013 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved May 2013
Industrial pollution

Top industrial polluters within 10 miles of Trenton

Industrial polluters nearby

Reported releases to surface water by facilities near Trenton, ranked by pounds discharged annually.

Total reported releases to surface water: 891 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
US STEEL CORP GREAT LAKES WORKS
Primary Metals · US STEEL CORP
ECORSE, MI48229
Zinc compounds6348.6 mi
REPUBLIC INDUSTRIAL & ENERGY SOLUTIONS LLC
Hazardous Waste · REPUBLIC SERVICES INC
ROMULUS, MI48174
Zinc compounds1949.6 mi
BASF CORP
Chemicals · BASF CORP
WYANDOTTE, MI481923729
Styrene635.8 mi
GUARDIAN INDUSTRIES - CARLETON
Nonmetallic Mineral Product · KOCH INC
CARLETON, MI48117
9.3 mi
FLAT ROCK METAL INC.
Primary Metals · NA
FLAT ROCK, MI48134
5.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Trenton

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

6
Declared disasters
Feb 2024
Most recent
Flood
Most common type

Wayne County has experienced 6 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Feb 2024
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #4757
Sep 2014
SEVERE STORMS AND FLOODING
Flood FEMA #4195
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3225
Sep 1980
SEVERE STORMS & FLOODING
Flood FEMA #631
Apr 1973
SEVERE STORMS & FLOODING
Flood FEMA #371
Dec 1972
SEVERE STORMS & FLOODING
Flood FEMA #363

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.7 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.3 ppb from 1992 (10.0 ppb) to 2025 (4.7 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
18,544
Water Systems
1
Water Source

Where Trenton's water comes from

Purchased Surface Water

Trenton's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 18,544 people through 1 water system.

Local Hydrology

Water bodies near Trenton

Trenton is located near 3 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Ecorse River
river
Frank And Poet Drain
river
Detroit R At Sw Water Intake Nr Grassy Island
river
Infrastructure

Water systems serving Trenton

System Name PWSID Population Source
TRENTON MI0006650 18,544 SWP
Regional Comparison

How Trenton compares

Full Michigan rankings →

Trenton's score of 88.2/100 is above the average of 70/100 among major Michigan cities. It outscores 8 of 10 nearby cities.

Trenton (this city)
88.2
Detroit
84.1
Ann Arbor
51.5
Lansing
57.3
Michigan avg
70
City Profile

About Trenton, MI

Economic Profile
$74,267
Median Income
$187,061
Median Home Value
$854/mo
Median Rent
3.3%
Unemployment
Community
49.1
Median Age
982
People / sq mi
27.6%
College Educated
83.4%
Homeownership
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Frequently asked questions

Is Trenton, MI tap water safe to drink?

Trenton's water quality earned a grade of A- (88.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #162 out of 520 cities tested in Michigan.

What contaminants are in Trenton's water?

Lead was measured at 4.7 ppb (90th percentile). No PFAS compounds were detected. 7 violations are on record.

How is Trenton's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Trenton?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Trenton's water come from?

Trenton's water is sourced from Purchased surface water. The city has 1 water system serving approximately 18,544 residents.

What health violations has Trenton's water system had?

Trenton has 1 health-based violation on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

How does Trenton's water compare to other cities?

Trenton ranks #162 out of 520 cities in Michigan (better than 69% of state cities) and #3565 out of 15744 cities nationally (77th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.