WaterVerge

Is Chesterfield Township, MI Tap Water Safe to Drink?

Graded A-, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

42K residents served 1 water system PWSID: MI0001390
Overall Score
87.6 / 100
Violations
4 active
Last Updated
May 2026
Source
Purchased surface water
#175 of 520 in Michigan Top 25% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.6/100
waterverge.com
A- 87.6/100

Chesterfield Township, MI — Water Quality Report

Chesterfield Township's drinking water received a grade of A- (87.6 out of 100), indicating good water quality. The city's 1 water system serves approximately 41,650 residents using purchased surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 6 violations on record, including 0 health-based violations. 4 remain unresolved.

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

What to know about Chesterfield Township's water

Chesterfield Township ranks #175 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 0.16 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 →
87.6 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.6/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
20/20
A
No PFAS compounds detected.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Chesterfield Township, MI water safe to drink?

Concerns Identified

Chesterfield Township's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (87.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 41,650 residents using surface water (rivers, lakes, or reservoirs).

4
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
7 events
Disaster History

Recent water quality updates for Chesterfield Township

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Chesterfield Township's water quality assessment. Grade: A- (87.6/100).

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

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

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE STORMS AND FLOODING

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

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Chesterfield Township's water system has 6 total violations on record, including 0 health-based violations. 4 remain unresolved. 1 violation was issued in the last 5 years.

OtherMR
Most recent violations:
Jul 2021 Consumer Confidence Rule Open
Apr 2013 TTHM Resolved
Apr 2013 Total Haloacetic Acids (HAA5) Resolved
Jul 2005 Consumer Confidence Rule Open
Jul 2001 Consumer Confidence Rule Open

Flood & environmental risk

Macomb County has experienced 7 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 N Branch Clinton R, North Branch Clinton River, Clinton River.

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 Chesterfield Township's water come from?

Chesterfield Township's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 41,650 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include N Branch Clinton R (river), North Branch Clinton River (river), Clinton River (river).

What Chesterfield Township residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Chesterfield Township's water.

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.

Monitor alerts during storms

Chesterfield Township'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
14.9 µg/L
EPA MCL: 60 µg/L · 25% of limit
Within LimitUCMR 4 DataHAA6Br: 7.2 µg/LHAA9: 21.7 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.16 µg/L
CA MCL (no federal MCL): 10 µg/L · 2% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
108.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 7% of limit
DetectedUCMR 3 Data
Manganese
Inorganic
Detected
0.4 µg/L
EPA Secondary MCL: 50 µg/L · 1% of limit
DetectedUCMR 4 Data
Vanadium
Inorganic
Detected
0.40 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

6
Total violations
0
Health-based
4
Active / unresolved
Jul 2021
Most recent violation
Compliance Record

Violations & advisories

6 Total
4 Active
0 Health-based
2 Resolved
Violations by category
Consumer Confidence Rule
3
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Apr 2013 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2013
Apr 2013 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2013
Environmental Risk

Flood & disaster history

7
Declared disasters
Feb 2024
Most recent
Flood
Most common type

Macomb County has experienced 7 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 1986
SEVERE STORMS & FLOODING
Flood FEMA #774
Apr 1975
SEVERE STORMS, HIGH WINDS & FLOODING
Flood FEMA #465
Apr 1973
SEVERE STORMS & FLOODING
Flood FEMA #371

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 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 6.0 ppb from 1992 (6.0 ppb) to 2025 (0.0 ppb).
Contaminant Rankings

See how Chesterfield Township compares by contaminant

Explore where Chesterfield Township ranks among all Michigan cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
41,650
Water Systems
1
Water Source

Where Chesterfield Township's water comes from

Purchased Surface Water

Chesterfield Township'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 41,650 people through 1 water system.

Local Hydrology

Water bodies near Chesterfield Township

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

N Branch Clinton R
river
North Branch Clinton River
river
Clinton River
river
Infrastructure

Water systems serving Chesterfield Township

System Name PWSID Population Source
CHESTERFIELD TOWNSHIP MI0001390 41,650 SWP
Regional Comparison

How Chesterfield Township compares

Full Michigan rankings →

Chesterfield Township's score of 87.6/100 is above the average of 70/100 among major Michigan cities. It outscores 8 of 10 nearby cities.

Chesterfield Township (this city)
87.6
Detroit
84.1
Ann Arbor
51.5
Lansing
57.3
Michigan avg
70
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Frequently asked questions

Is Chesterfield Township, MI tap water safe to drink?

Chesterfield Township's water quality earned a grade of A- (87.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #175 out of 520 cities tested in Michigan.

What contaminants are in Chesterfield Township's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 6 violations are on record.

How is Chesterfield Township'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 Chesterfield Township?

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

Where does Chesterfield Township's water come from?

Chesterfield Township's water is sourced from Purchased surface water. The city has 1 water system serving approximately 41,650 residents.

How does Chesterfield Township's water compare to other cities?

Chesterfield Township ranks #175 out of 520 cities in Michigan (better than 66% of state cities) and #3916 out of 15744 cities nationally (75th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.