WaterVerge

Is Burr Oak, MI Tap Water Safe to Drink?

Graded B- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

828 residents served 1 water system PWSID: MI0001000
Overall Score
72.8 / 100
Violations
7 active
Last Updated
May 2026
Source
Groundwater
#429 of 520 in Michigan Top 65% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
72.8/100
waterverge.com
B- 72.8/100

Burr Oak, MI — Water Quality Report

Burr Oak's drinking water received a grade of B- (72.8 out of 100), indicating fair water quality. The city's 1 water system serves approximately 828 residents using groundwater.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 77 violations on record, including 0 health-based violations. 7 remain unresolved.

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

What to know about Burr Oak's water

Burr Oak ranks #429 out of 520 cities in Michigan for water quality, placing it among the lowest-rated in the state.

Burr Oak relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, Burr Oak may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 23 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
72.8 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
26.8/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Burr Oak, MI water safe to drink?

Concerns Identified

Burr Oak's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (72.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 828 residents using groundwater (wells).

7
Active Violations
0.0 ppb
Lead (90th %ile)

Recent water quality updates for Burr Oak

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Burr Oak's water quality assessment. Grade: B- (72.8/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
21 drinking water violations recorded

Contaminants: 1,2,4-Trichlorobenzene, cis-1,2-Dichloroethylene, DICHLOROMETHANE.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.60 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Burr Oak's water system has 77 total violations on record, including 0 health-based violations. 7 remain unresolved. 23 violations were issued in the last 5 years.

RPTMRMONOther
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Jul 2021 1,2,4-Trichlorobenzene Resolved
Jul 2021 cis-1,2-Dichloroethylene Resolved
Jul 2021 DICHLOROMETHANE Resolved

Where does Burr Oak's water come from?

Burr Oak's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 828 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Prairie River (river).

What Burr Oak residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Burr Oak'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.

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
Copper (90th percentile)
Inorganic
Over Limit
1.60 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

77
Total violations
0
Health-based
7
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

77 Total
7 Active
0 Health-based
70 Resolved
2 SNC
Violations by category
Volatile Organic Chemicals
63
Consumer Confidence Rule
3
Lead and Copper Rule Revisions
2
Lead and Copper Rule
2
Revised Total Coliform Rule
2
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2017 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
Jul 2021 Resolved
1,2,4-Trichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
cis-1,2-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
DICHLOROMETHANE
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
o-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
p-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
1,1-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
1,1,1-Trichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
Trichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
Tetrachloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
Benzene
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
Toluene
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
Styrene
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
Ethylbenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Showing 20 of 77 violations
Industrial pollution

Top industrial polluters within 10 miles of Burr Oak

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
BRONSON PLATING CO
Fabricated Metals · NA
BRONSON, MI49028
7.1 mi
MORGAN OLSON LLC
Transportation Equipment · JB POINDEXTER & CO INC
STURGIS, MI49091
6.5 mi
ABBOTT NUTRITION
Food · ABBOTT LABORATORIES
STURGIS, MI49091
6.1 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Burr Oak

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

Recommended water filters

Based on contaminants detected in Burr Oak's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.60 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level (90th percentile)

Latest reading: 0.0 ppb (2023)

EPA action level: 15 ppb

Copper level (90th percentile)

Latest reading: 1.600 mg/L (1994)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
828
Water Systems
1
Water Source

Where Burr Oak's water comes from

Groundwater

Burr Oak's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 828 people through 1 water system.

Local Hydrology

Water bodies near Burr Oak

Burr Oak is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Prairie River
river
Infrastructure

Water systems serving Burr Oak

System Name PWSID Population Source
BURR OAK MI0001000 828 GW
Regional Comparison

How Burr Oak compares

Full Michigan rankings →

Burr Oak's score of 72.8/100 is on par with the average of 70/100 among major Michigan cities. It outscores 5 of 10 nearby cities.

Burr Oak (this city)
72.8
Detroit
84.1
Ann Arbor
51.5
Lansing
57.3
Michigan avg
70
City Profile

About Burr Oak, MI

Wikipedia →

Burr Oak is a village in St. Joseph County in the U.S. state of Michigan. As of the 2020 census, Burr Oak had a population of 753. The village is located within Burr Oak Township.

Economic Profile
$64,167
Median Income
$89,735
Median Home Value
$1,045/mo
Median Rent
6.4%
Unemployment
Community
34
Median Age
315
People / sq mi
1.7%
College Educated
82.9%
Homeownership
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Frequently asked questions

Is Burr Oak, MI tap water safe to drink?

Burr Oak's water quality earned a grade of B- (72.8/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #429 out of 520 cities tested in Michigan.

What contaminants are in Burr Oak's water?

Lead was measured at 0.0 ppb (90th percentile). 77 violations are on record.

How is Burr Oak'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 Burr Oak?

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

Where does Burr Oak's water come from?

Burr Oak's water is sourced from Groundwater. The city has 1 water system serving approximately 828 residents.

Is Burr Oak's groundwater at risk of contamination?

Burr Oak uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 77 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Burr Oak's water compare to other cities?

Burr Oak ranks #429 out of 520 cities in Michigan (better than 18% of state cities) and #10241 out of 15744 cities nationally (35th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Burr Oak's small water system affect quality?

Burr Oak's system serves approximately 828 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 77 violations on record.