WaterVerge

Is Aitkin, MN Tap Water Safe to Drink?

Graded A-, with 3 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: MN1010001
Overall Score
89.2 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#243 of 466 in Minnesota Top 19% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89.2/100
waterverge.com
A- 89.2/100

Aitkin, MN — Water Quality Report

Aitkin's drinking water received a grade of A- (89.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,165 residents using groundwater.

Lead levels were measured at 4.0 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 10 violations on record, including 2 health-based violations. 3 remain unresolved.

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

What to know about Aitkin's water

Aitkin ranks #243 out of 466 cities in Minnesota for water quality, placing it below average in the state.

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

Quality Breakdown

Water quality score

See methodology →
89.2 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.2/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.0 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 Aitkin, MN water safe to drink?

Concerns Identified

Aitkin's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (89.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,165 residents using groundwater (wells).

3
Active Violations
4.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Aitkin

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Aitkin's water quality assessment. Grade: A- (89.2/100).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4722). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4390). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Violation
2 drinking water violations recorded

1 health-based. Contaminants: Lead and Copper Rule, Tetrachloroethylene.

Key contaminant findings

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

Lead Within Limits
Detected: 4.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Aitkin's water system has 10 total violations on record, including 2 health-based violations. 3 remain unresolved.

MCLMR
Most recent violations:
Jul 2011 Coliform (TCR) Resolved
Aug 1997 Coliform (TCR) Resolved
Jan 1997 Lead and Copper Rule Open
Jan 1997 Tetrachloroethylene Resolved
Jan 1995 Lead and Copper Rule Open

Flood & environmental risk

Aitkin County has experienced 10 federally declared disasters since 1969. 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 Mississippi River, Mississippi River Diversion.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4722
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4390
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3242

Where does Aitkin's water come from?

Aitkin's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,165 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Mississippi River (river), Mississippi River Diversion (river).

What Aitkin residents can do

Install a water filter

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

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

Aitkin'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
4.0 ppb
EPA Action Level: 15 ppb · 27% of limit
Safe Level
Compliance Record

Violation summary

10
Total violations
2
Health-based
3
Active / unresolved
Jul 2011
Most recent violation
Compliance Record

Violations & advisories

10 Total
3 Active
2 Health-based
7 Resolved
Violations by category
Total Coliform Rule
6
Lead and Copper Rule
3
Volatile Organic Chemicals
1
Jan 1997 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1995 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2011 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2011
Aug 1997 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1997
Jan 1997 Resolved
Tetrachloroethylene
Max Contaminant Level
Health-Based Health Resolved Mar 1997
Sep 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1992
Dec 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Nov 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 1991
Oct 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 1991
Environmental Risk

Drought conditions

D1 — moderate drought

Aitkin County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

9.5%
Months in D2+ (last 30y)
11
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

10
Declared disasters
Jul 2023
Most recent
Flood
Most common type

Aitkin County has experienced 10 federally declared disasters since 1969. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2023
SEVERE STORMS AND FLOODING
Flood FEMA #4722
Sep 2018
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4390
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
Jun 1996
FLOODING AND SEVERE STORMS
Flood FEMA #1116

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level (90th percentile)

Latest reading: 4.0 ppb (2023)

EPA action level: 15 ppb

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,165
Water Systems
1
Water Source

Where Aitkin's water comes from

Groundwater

Aitkin'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 2,165 people through 1 water system.

Local Hydrology

Water bodies near Aitkin

Aitkin is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Mississippi River
river
Mississippi River Diversion
river
Infrastructure

Water systems serving Aitkin

System Name PWSID Population Source
Aitkin MN1010001 2,165 GW
Regional Comparison

How Aitkin compares

Full Minnesota rankings →

Aitkin's score of 89.2/100 is above the average of 82/100 among major Minnesota cities. It outscores 8 of 10 nearby cities.

Aitkin (this city)
89.2
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Aitkin, MN

Wikipedia →

Aitkin is a city in and the county seat of Aitkin County, Minnesota, United States. The population was 2,168 at the 2020 census.

Economic Profile
$37,177
Median Income
$167,674
Median Home Value
$676/mo
Median Rent
4.6%
Unemployment
Community
46.6
Median Age
284
People / sq mi
22.2%
College Educated
56.6%
Homeownership
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Frequently asked questions

Is Aitkin, MN tap water safe to drink?

Aitkin's water quality earned a grade of A- (89.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #243 out of 466 cities tested in Minnesota.

What contaminants are in Aitkin's water?

Lead was measured at 4.0 ppb (90th percentile). 10 violations are on record.

How is Aitkin'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 Aitkin?

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

Where does Aitkin's water come from?

Aitkin's water is sourced from Groundwater. The city has 1 water system serving approximately 2,165 residents.

What health violations has Aitkin's water system had?

Aitkin has 2 health-based violations on record. The most recent violation was recorded in July 2011. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Aitkin's groundwater at risk of contamination?

Aitkin 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 10 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 Aitkin's water compare to other cities?

Aitkin ranks #243 out of 466 cities in Minnesota (better than 48% of state cities) and #2972 out of 15744 cities nationally (81th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Aitkin's small water system affect quality?

Aitkin's system serves approximately 2,165 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 10 violations on record.