WaterVerge

Is Bancroft, MI Tap Water Safe to Drink?

Graded B, with 7 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

616 residents served 1 water system PWSID: MI0000370
Overall Score
77.4 / 100
Violations
7 active
Last Updated
May 2026
Source
Groundwater
#390 of 520 in Michigan Top 57% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
77.4/100
waterverge.com
B 77.4/100

Bancroft, MI — Water Quality Report

Bancroft's drinking water received a grade of B (77.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 616 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 22 violations on record, including 5 health-based violations. 7 remain unresolved.

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

What to know about Bancroft's water

Bancroft ranks #390 out of 520 cities in Michigan for water quality, placing it below average in the state.

Bancroft 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, Bancroft may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
77.4 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
30.4/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Bancroft, MI water safe to drink?

Concerns Identified

Bancroft's drinking water has significant quality concerns based on EPA testing data. With a grade of B (77.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 616 residents using groundwater (wells).

7
Active Violations
0.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Bancroft

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Bancroft's water quality assessment. Grade: B (77.4/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3225). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-774). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Bancroft's water system has 22 total violations on record, including 5 health-based violations. 7 remain unresolved. 7 violations were issued in the last 5 years.

RPTMONOtherTTMRMCL
Most recent violations:
Dec 2025 Revised Total Coliform Rule Open
Jun 2025 Revised Total Coliform Rule Resolved
Jan 2025 Public Notice Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open

Flood & environmental risk

Shiawassee County has experienced 5 federally declared disasters since 1975. 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 Shiawassee River.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3225
SEVERE STORMS & FLOODING
Flood FEMA DR-774
SEVERE STORMS AND FLOODING
Flood FEMA DR-744

Where does Bancroft's water come from?

Bancroft's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 616 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Shiawassee River (river).

What Bancroft residents can do

Install a water filter

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

Bancroft'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
Compliance Record

Violation summary

22
Total violations
5
Health-based
7
Active / unresolved
Dec 2025
Most recent violation
Compliance Record

Violations & advisories

22 Total
7 Active
5 Health-based
15 Resolved
8 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
8
Total Coliform Rule
4
Consumer Confidence Rule
3
Revised Total Coliform Rule
2
Lead and Copper Rule Revisions
2
Dec 2025 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jan 2025 Active
Public Notice
Other Violation 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Jun 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2025
Jul 2021 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Jun 2022
Jul 2021 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Jun 2022
Jul 2019 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Jun 2020
Jul 2019 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Jun 2020
Jul 2017 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Jun 2018
Jul 2017 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Jun 2018
Jul 2015 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Jun 2016
Jul 2015 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Jun 2016
Jan 2006 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Dec 2007
Jun 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2005
Jan 2005 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2005
Nov 2004 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2004
Showing 20 of 22 violations
Industrial pollution

Top industrial polluters within 10 miles of Bancroft

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CIE NEWCOR MTG
Transportation Equipment · NEWCOR
CORUNNA, MI48817
8.4 mi
GENERAL SHALE BRICK INC. - PLANT 66
Nonmetallic Mineral Product · GENERAL SHALE BRICK INC
CORUNNA, MI48817
8.3 mi
CARGILL FEED & NUTRITION OWOSSO
Food · CARGILL INC
OWOSSO, MI48867
9.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

5
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Shiawassee County has experienced 5 federally declared disasters since 1975. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3225
Sep 1986
SEVERE STORMS & FLOODING
Flood FEMA #774
Sep 1985
SEVERE STORMS AND FLOODING
Flood FEMA #744
Sep 1975
SEVERE STORMS, HIGH WINDS & FLOODING
Flood FEMA #486
Apr 1975
SEVERE STORMS, HIGH WINDS & FLOODING
Flood FEMA #465

Full contaminants report

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

Lead level (90th percentile)

Latest reading: 0.0 ppb (2024)

EPA action level: 15 ppb

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
616
Water Systems
1
Water Source

Where Bancroft's water comes from

Groundwater

Bancroft'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 616 people through 1 water system.

Local Hydrology

Water bodies near Bancroft

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

Shiawassee River
river
Infrastructure

Water systems serving Bancroft

System Name PWSID Population Source
BANCROFT, VILLAGE OF MI0000370 616 GW
Regional Comparison

How Bancroft compares

Full Michigan rankings →

Bancroft's score of 77.4/100 is above the average of 70/100 among major Michigan cities. It outscores 5 of 10 nearby cities.

Bancroft (this city)
77.4
Detroit
84.1
Ann Arbor
51.5
Lansing
57.3
Michigan avg
70
City Profile

About Bancroft, MI

Wikipedia →

Bancroft is a village in Shiawassee County in the U.S. state of Michigan. The population was 484 at the 2020 census. The village is located within Shiawassee Township.

Economic Profile
$81,563
Median Income
$124,347
Median Home Value
$914/mo
Median Rent
2.7%
Unemployment
Community
35.3
Median Age
326
People / sq mi
11.3%
College Educated
70.7%
Homeownership
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Frequently asked questions

Is Bancroft, MI tap water safe to drink?

Bancroft's water quality earned a grade of B (77.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #390 out of 520 cities tested in Michigan.

What contaminants are in Bancroft's water?

Lead was measured at 0.0 ppb (90th percentile). 22 violations are on record.

How is Bancroft'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 Bancroft?

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

Where does Bancroft's water come from?

Bancroft's water is sourced from Groundwater. The city has 1 water system serving approximately 616 residents.

What health violations has Bancroft's water system had?

Bancroft has 5 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.

Is Bancroft's groundwater at risk of contamination?

Bancroft 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 22 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 Bancroft's water compare to other cities?

Bancroft ranks #390 out of 520 cities in Michigan (better than 25% of state cities) and #9014 out of 15744 cities nationally (43th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Bancroft's small water system affect quality?

Bancroft's system serves approximately 616 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 22 violations on record.