WaterVerge

Is Montrose, MI Tap Water Safe to Drink?

Graded B+, with 5 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: MI0004480
Overall Score
84.1 / 100
Violations
5 active
Last Updated
May 2026
Source
Purchased surface water
#278 of 520 in Michigan Top 39% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
84.1/100
waterverge.com
B+ 84.1/100

Montrose, MI — Water Quality Report

Montrose's drinking water received a grade of B+ (84.1 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,657 residents using purchased surface water.

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 23 violations on record, including 0 health-based violations. 5 remain unresolved.

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

What to know about Montrose's water

Montrose ranks #278 out of 520 cities in Michigan for water quality, placing it below average 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.

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

The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
84.1 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
38.1/45
B
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
4/5
B
Water source: Purchased surface water.
Water Safety

Is Montrose, MI water safe to drink?

Concerns Identified

Montrose's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (84.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,657 residents using surface water (rivers, lakes, or reservoirs).

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

Recent water quality updates for Montrose

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Montrose's water quality assessment. Grade: B+ (84.1/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

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 Montrose's water supply.

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

Well within EPA limits.

Violation history

Montrose's water system has 23 total violations on record, including 0 health-based violations. 5 remain unresolved. 6 violations were issued in the last 5 years.

RPTMRMONOther
Most recent violations:
Aug 2024 Revised Total Coliform Rule Open
Apr 2024 Total Haloacetic Acids (HAA5) Resolved
Apr 2024 TTHM Resolved
Apr 2023 TTHM Resolved
Apr 2023 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Genesee 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 Flint 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 Montrose's water come from?

Montrose's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,657 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Flint River (river).

What Montrose residents can do

Install a water filter

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

Montrose'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

23
Total violations
0
Health-based
5
Active / unresolved
Aug 2024
Most recent violation
Compliance Record

Violations & advisories

23 Total
5 Active
0 Health-based
18 Resolved
3 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
8
Arsenic Rule
4
Total Coliform Rule
3
Revised Total Coliform Rule
2
Nitrate Rule
2
Aug 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Mar 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Dec 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Apr 2024 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2024
Apr 2024 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2024
Apr 2023 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2023
Apr 2023 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2023
Jan 2023 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2023
Nov 2019 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Nov 2019
Oct 2016 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Oct 2015 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Sep 2015 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Aug 2016
Jan 2015 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Sep 2013 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2014
Jan 2013 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Aug 2013
Jan 2013 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Aug 2013
Feb 2011 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2011
Dec 2009 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2009
Showing 20 of 23 violations
Environmental Risk

Flood & disaster history

5
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Genesee 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
Purchased Surface Water
Operator
Local Government
Population Served
1,657
Water Systems
1
Water Source

Where Montrose's water comes from

Purchased Surface Water

Montrose'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 1,657 people through 1 water system.

Local Hydrology

Water bodies near Montrose

Montrose is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Flint River
river
Infrastructure

Water systems serving Montrose

System Name PWSID Population Source
MONTROSE, CITY OF MI0004480 1,657 SWP
Regional Comparison

How Montrose compares

Full Michigan rankings →

Montrose's score of 84.1/100 is above the average of 70/100 among major Michigan cities. It outscores 5 of 10 nearby cities.

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

About Montrose, MI

Wikipedia →

Montrose is a city in Genesee County in the U.S. state of Michigan. The population was 1,743 at the 2020 census. Once part of the surrounding Montrose Township, the city itself incorporated in 1980, and both are now administered autonomously. It is part of the Flint metropolitan area.

Economic Profile
$41,750
Median Income
$97,589
Median Home Value
$745/mo
Median Rent
2.4%
Unemployment
Community
32.5
Median Age
774
People / sq mi
10%
College Educated
54.9%
Homeownership
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Frequently asked questions

Is Montrose, MI tap water safe to drink?

Montrose's water quality earned a grade of B+ (84.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #278 out of 520 cities tested in Michigan.

What contaminants are in Montrose's water?

Lead was measured at 0.0 ppb (90th percentile). 23 violations are on record.

How is Montrose'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 Montrose?

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

Where does Montrose's water come from?

Montrose's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,657 residents.

How does Montrose's water compare to other cities?

Montrose ranks #278 out of 520 cities in Michigan (better than 47% of state cities) and #6092 out of 15744 cities nationally (61th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Montrose's small water system affect quality?

Montrose's system serves approximately 1,657 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 23 violations on record.