WaterVerge

Is Minnesota Lake, MN Tap Water Safe to Drink?

Graded A with no contaminants above EPA limits. Here's everything we tested and how Minnesota Lake ranks. What to do next ↓

683 residents served 1 water system PWSID: MN1220013
Overall Score
93 / 100
Violations
None active
Last Updated
May 2026
Source
Groundwater
#116 of 466 in Minnesota Top 7% nationally
Local Government
Limited data available
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
93/100
waterverge.com
A 93/100

Minnesota Lake, MN — Water Quality Report

Minnesota Lake's drinking water received a grade of A (93 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 683 residents using groundwater.

Lead levels were measured at 7.0 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

No violations are on record for this water system.

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

What to know about Minnesota Lake's water

Minnesota Lake ranks #116 out of 466 cities in Minnesota for water quality, placing it above average in the state.

Minnesota Lake 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.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

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

Minnesota Lake has a clean compliance record with no violations on file, reflecting strong operational practices.

Quality Breakdown

Water quality score

See methodology →
93 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
45/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 7.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Minnesota Lake, MN water safe to drink?

Generally Safe

Based on EPA testing data, Minnesota Lake's tap water is generally safe to drink. The water system earned a grade of A (93/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 683 residents using groundwater (wells).

None
Violations
7.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Minnesota Lake

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Minnesota Lake's water quality assessment. Grade: A (93/100).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4797). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4442). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Elevated
Detected: 7.0 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

Flood & environmental risk

Faribault County has experienced 10 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 AND FLOODING
Flood FEMA DR-4797
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4442
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4390

Where does Minnesota Lake's water come from?

Minnesota Lake's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 683 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Minnesota Lake 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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Minnesota Lake'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
7.0 ppb
EPA Action Level: 15 ppb · 47% of limit
Safe Level
Compliance Record

Violations & advisories

Clean record
No violations found. This system has maintained compliance with EPA standards.
Industrial pollution

Top industrial polluters within 10 miles of Minnesota Lake

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
BRAKEBUSH BROTHERS INC
Food · BRAKEBUSH BROTHERS INC
WELLS, MN56097
8.4 mi
WELLS CONCRETE PRODUCTS
Nonmetallic Mineral Product · THE WELLS COS
WELLS, MN56097
8.1 mi
CCM - WELLS
Nonmetallic Mineral Product · CEMSTONE CONCRETE MATERIALS
WELLS, MN56097
8.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

10
Declared disasters
Jun 2024
Most recent
Flood
Most common type

Faribault County has experienced 10 federally declared disasters since 1965. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jun 2024
SEVERE STORMS AND FLOODING
Flood FEMA #4797
Jun 2019
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4442
Sep 2018
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4390
Jul 2014
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4182
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3242
May 2001
SEVERE WINTER STORMS, FLOODING, AND TORNADOES
Flood FEMA #1370

Recommended water filters

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

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 7.0 ppb
Read our guide →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 7.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level (90th percentile)

Latest reading: 7.0 ppb (2023)

EPA action level: 15 ppb

Contaminant Rankings

See how Minnesota Lake compares by contaminant

Explore where Minnesota Lake ranks among all Minnesota cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
683
Water Systems
1
Water Source

Where Minnesota Lake's water comes from

Groundwater

Minnesota Lake'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 683 people through 1 water system.

Infrastructure

Water systems serving Minnesota Lake

System Name PWSID Population Source
Minnesota Lake MN1220013 683 GW
Regional Comparison

How Minnesota Lake compares

Full Minnesota rankings →

Minnesota Lake's score of 93/100 is above the average of 82/100 among major Minnesota cities. It outscores 9 of 10 nearby cities.

Minnesota Lake (this city)
93
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Minnesota Lake, MN

Wikipedia →

Minnesota Lake is a city in Blue Earth and Faribault counties in the State of Minnesota. The population was 661 at the 2020 census. The bulk of the city is in Faribault County; a small part of the town extends into Blue Earth County.

Economic Profile
$65,938
Median Income
$124,726
Median Home Value
$825/mo
Median Rent
5.1%
Unemployment
Community
44.3
Median Age
145
People / sq mi
19%
College Educated
82.7%
Homeownership
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Frequently asked questions

Is Minnesota Lake, MN tap water safe to drink?

Minnesota Lake's water quality earned a grade of A (93/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #116 out of 466 cities tested in Minnesota.

What contaminants are in Minnesota Lake's water?

Lead was measured at 7.0 ppb (90th percentile). No violations on record.

How is Minnesota Lake'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 Minnesota Lake?

While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.

Where does Minnesota Lake's water come from?

Minnesota Lake's water is sourced from Groundwater. The city has 1 water system serving approximately 683 residents.

Is Minnesota Lake's groundwater at risk of contamination?

Minnesota Lake uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. Current testing shows the groundwater meets EPA standards. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Minnesota Lake's water compare to other cities?

Minnesota Lake ranks #116 out of 466 cities in Minnesota (better than 75% of state cities) and #1039 out of 15744 cities nationally (93th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Minnesota Lake's small water system affect quality?

Minnesota Lake's system serves approximately 683 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 maintained a clean compliance record.