WaterVerge

Is Montrose, MN Tap Water Safe to Drink?

Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓

4K residents served 1 water system PWSID: MN1860016
Overall Score
91.6 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#155 of 466 in Minnesota Top 10% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91.6/100
waterverge.com
A 91.6/100

Montrose, MN — Water Quality Report

Montrose's drinking water received a grade of A (91.6 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 3,899 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 3 violations on record, including 0 health-based violations. 1 remains unresolved.

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

What to know about Montrose's water

Montrose ranks #155 out of 466 cities in Minnesota for water quality, placing it mid-range in the state.

Montrose 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.

Quality Breakdown

Water quality score

See methodology →
91.6 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.6/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
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 Montrose, MN water safe to drink?

Use Caution

Montrose's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91.6/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 3,899 residents using groundwater (wells).

1
Active Violations
0.0 ppb
Lead (90th %ile)
9 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: A (91.6/100).

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4182). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-1982). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

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 3 total violations on record, including 0 health-based violations. 1 remain unresolved.

MR
Most recent violations:
Feb 2003 Coliform (TCR) Resolved
Oct 1994 Coliform (TCR) Resolved

Flood & environmental risk

Wright County has experienced 9 federally declared disasters since 1965. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4182
SEVERE STORMS AND FLOODING
Flood FEMA DR-1982
FLOODING
Flood FEMA DR-3310

Where does Montrose's water come from?

Montrose's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 3,899 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Montrose 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.

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

3
Total violations
0
Health-based
1
Active / unresolved
Feb 2003
Most recent violation
Compliance Record

Violations & advisories

3 Total
1 Active
0 Health-based
2 Resolved
Active
Compliance Violation
Monitoring 0
Feb 2003 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2003
Oct 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Industrial pollution

Top industrial polluters within 10 miles of Montrose

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CEMSTONE - DELANO
Nonmetallic Mineral Product · CEMSTONE PRODUCTS CO
DELANO, MN55328
7.4 mi
EASIWAY SYSTEMS INC.
Chemicals · NA
DELANO, MN55328
6.8 mi
DURA SUPREME
Furniture · MASTERBRAND INC
HOWARD LAKE, MN55349
6.8 mi
KINGSPAN INSULATION LLC
Plastics and Rubber · KINGSPAN GROUP PUBLIC LTD CO
ROCKFORD, MN55373
8.1 mi
OMG BUILDING PRODUCTS LLC
Chemicals · STEEL PARTNERS HOLDINGS LP
ROCKFORD, MN55373
8.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

9
Declared disasters
Jul 2014
Most recent
Flood
Most common type

Wright County has experienced 9 federally declared disasters since 1965. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2014
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4182
May 2011
SEVERE STORMS AND FLOODING
Flood FEMA #1982
Mar 2010
FLOODING
Flood FEMA #3310
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3242
May 2001
SEVERE WINTER STORMS, FLOODING, AND TORNADOES
Flood FEMA #1370
Apr 1997
SEVERE FLOODING, HIGH WINDS,SEVERE STORMS
Flood FEMA #1175

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 (2023)

EPA action level: 15 ppb

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,899
Water Systems
1
Water Source

Where Montrose's water comes from

Groundwater

Montrose'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 3,899 people through 1 water system.

Infrastructure

Water systems serving Montrose

System Name PWSID Population Source
Montrose MN1860016 3,899 GW
Regional Comparison

How Montrose compares

Full Minnesota rankings →

Montrose's score of 91.6/100 is above the average of 82/100 among major Minnesota cities. It outscores 9 of 10 nearby cities.

Montrose (this city)
91.6
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Montrose, MN

Wikipedia →

Montrose is a small city in Wright County, Minnesota, United States. Montrose is surrounded by farmland, prairies, and lakes. The population was 3,775 at the 2020 census.

Economic Profile
$89,100
Median Income
$248,925
Median Home Value
$1,243/mo
Median Rent
4.8%
Unemployment
Community
34.9
Median Age
474
People / sq mi
23.6%
College Educated
78.5%
Homeownership
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Frequently asked questions

Is Montrose, MN tap water safe to drink?

Montrose's water quality earned a grade of A (91.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #155 out of 466 cities tested in Minnesota.

What contaminants are in Montrose's water?

Lead was measured at 0.0 ppb (90th percentile). 3 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 Groundwater. The city has 1 water system serving approximately 3,899 residents.

Is Montrose's groundwater at risk of contamination?

Montrose 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 3 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 Montrose's water compare to other cities?

Montrose ranks #155 out of 466 cities in Minnesota (better than 67% of state cities) and #1575 out of 15744 cities nationally (90th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.