WaterVerge

Is Lexington, MN Tap Water Safe to Drink?

Graded B+, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 2 water systems PWSID: MN1020032
Overall Score
82.9 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#383 of 466 in Minnesota Top 43% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.9/100
waterverge.com
B+ 82.9/100

Lexington, MN — Water Quality Report

Lexington's drinking water received a grade of B+ (82.9 out of 100), indicating good water quality. The city's 2 water systems serve approximately 3,018 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 28 violations on record, including 7 health-based violations. 3 remain unresolved.

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

What to know about Lexington's water

Lexington ranks #383 out of 466 cities in Minnesota for water quality, placing it among the lowest-rated in the state.

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

Quality Breakdown

Water quality score

See methodology →
82.9 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
32.9/45
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
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Lexington, MN water safe to drink?

Concerns Identified

Lexington's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,018 residents using groundwater (wells).

3
Active Violations
0.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Lexington

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Lexington's water quality assessment. Grade: B+ (82.9/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Gross Alpha, Excl. Radon and U.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Gross Alpha, Excl. Radon and U.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Gross Alpha, Excl. Radon and U.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3242). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE WINTER STORMS, FLOODING, AND TORNADOES

Federal disaster declaration (FEMA DR-1370). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Lexington's water system has 28 total violations on record, including 7 health-based violations. 3 remain unresolved. 5 violations were issued in the last 5 years.

MCLMROther
Most recent violations:
Jan 2025 Gross Alpha, Excl. Radon and U Resolved
Jan 2024 Gross Alpha, Excl. Radon and U Resolved
Jan 2023 Gross Alpha, Excl. Radon and U Resolved
Jan 2022 Gross Alpha, Excl. Radon and U Resolved
Jan 2021 Gross Alpha, Excl. Radon and U Resolved

Flood & environmental risk

Anoka County has experienced 5 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. Local water sources include Sand Creek, Coon Creek, Mississippi River, Rice Creek, Shingle Creek.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3242
SEVERE WINTER STORMS, FLOODING, AND TORNADOES
Flood FEMA DR-1370
SEVERE FLOODING, HIGH WINDS,SEVERE STORMS
Flood FEMA DR-1175

Where does Lexington's water come from?

Lexington's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,018 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Sand Creek (river), Coon Creek (river), Mississippi River (river), Rice Creek (river), Shingle Creek (river).

What Lexington residents can do

Install a water filter

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

Lexington'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

28
Total violations
7
Health-based
3
Active / unresolved
Jan 2025
Most recent violation
Compliance Record

Violations & advisories

28 Total
3 Active
7 Health-based
25 Resolved
Violations by category
Total Coliform Rule
12
Radionuclides and Revised Rad Rule
7
Stage 1 Disinfectants and Disinfection Byproducts Rule
4
Nitrate Rule
2
Consumer Confidence Rule
1
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jan 2025 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Dec 2025
Jan 2024 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Dec 2024
Jan 2023 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Dec 2023
Jan 2022 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Dec 2022
Jan 2021 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Dec 2021
Oct 2020 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Dec 2020
Jul 2019 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Dec 2019
Oct 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Aug 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2007
Jul 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2007
Jan 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2007
Jan 2007 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Jul 2006 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2006
Jul 2006 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2006
Apr 2006 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2006
Oct 2005 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2005
Showing 20 of 28 violations
Industrial pollution

Top industrial polluters within 10 miles of Lexington

Industrial polluters nearby

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

Total reported releases to surface water: 4 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
BELL LUMBER & POLE CO.
Wood Products · BELL LUMBER & POLE CO
NEW BRIGHTON, MN55112
Pentachlorophenol46.1 mi
OWENS CORNING ROOFING & ASPHALT LLC
Petroleum · OWENS CORNING
MINNEAPOLIS, MN55430
Polycyclic aromatic compounds09.2 mi
CEMSTONE - COLUMBUS
Nonmetallic Mineral Product · CEMSTONE PRODUCTS CO
FOREST LAKE, MN55025
7.9 mi
CORTEC CORP
Chemicals · CORTEC CORP
WHITE BEAR LAKE, MN55110
7.9 mi
H.B. FULLER PILOT FACILITY
Chemicals · HB FULLER CO
VADNAIS HEIGHTS, MN55110
8.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Lexington

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.

+ 1 more site

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

5
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Anoka County has experienced 5 federally declared disasters since 1965. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

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
Apr 1969
FLOODING
Flood FEMA #255
Apr 1965
FLOODING
Flood FEMA #188

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 trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.0 ppb from 2020 (0.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,018
Water Systems
2
Water Source

Where Lexington's water comes from

Groundwater

Lexington'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 3,018 people through 2 water systems.

Local Hydrology

Water bodies near Lexington

Lexington is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Sand Creek
river
Coon Creek
river
Mississippi River
river
Rice Creek
river
Shingle Creek
river
Infrastructure

Water systems serving Lexington

System Name PWSID Population Source
Lexington MN1020032 2,738 GW
Parkview Homes, LLC MN1020025 280 GW
Regional Comparison

How Lexington compares

Full Minnesota rankings →

Lexington's score of 82.9/100 is on par with the average of 82/100 among major Minnesota cities. It outscores 5 of 10 nearby cities.

Lexington (this city)
82.9
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Lexington, MN

Economic Profile
$76,047
Median Income
$262,140
Median Home Value
$1,289/mo
Median Rent
5.7%
Unemployment
Community
38.2
Median Age
1,371
People / sq mi
18.1%
College Educated
60.4%
Homeownership
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Frequently asked questions

Is Lexington, MN tap water safe to drink?

Lexington's water quality earned a grade of B+ (82.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #383 out of 466 cities tested in Minnesota.

What contaminants are in Lexington's water?

Lead was measured at 0.0 ppb (90th percentile). 28 violations are on record.

How is Lexington'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 Lexington?

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

Where does Lexington's water come from?

Lexington's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,018 residents.

What health violations has Lexington's water system had?

Lexington has 7 health-based violations on record. The most recent violation was recorded in January 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Lexington's groundwater at risk of contamination?

Lexington 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 28 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 Lexington's water compare to other cities?

Lexington ranks #383 out of 466 cities in Minnesota (better than 18% of state cities) and #6692 out of 15744 cities nationally (58th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.