WaterVerge

Is Ironton, MN Tap Water Safe to Drink?

Graded B+ — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

578 residents served 1 water system PWSID: MN1180017
Overall Score
80.1 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#421 of 466 in Minnesota Top 51% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
80.1/100
waterverge.com
B+ 80.1/100

Ironton, MN — Water Quality Report

Ironton's drinking water received a grade of B+ (80.1 out of 100), indicating good water quality. The city's 1 water system serves approximately 578 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 2 violations on record, including 1 health-based violation. 2 remain unresolved.

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

What to know about Ironton's water

Ironton ranks #421 out of 466 cities in Minnesota for water quality, placing it among the lowest-rated in the state.

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

Quality Breakdown

Water quality score

See methodology →
80.1 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.1/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Ironton, MN water safe to drink?

Use Caution

Ironton's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (80.1/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 578 residents using groundwater (wells).

2
Active Violations
0.0 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Ironton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Ironton's water quality assessment. Grade: B+ (80.1/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Stage 1 Disinfectants and Disinfection Byproducts Rule.

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 Ironton's water supply.

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 2.60 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Ironton's water system has 2 total violations on record, including 1 health-based violation. 2 remain unresolved. 1 violation was issued in the last 5 years.

RPTTT
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Jan 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule Open

Flood & environmental risk

Crow Wing County has experienced 6 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.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3242
SEVERE WINTER STORMS, FLOODING, AND TORNADOES
Flood FEMA DR-1370
SEVERE STORMS & FLOODING
Flood FEMA DR-347

Where does Ironton's water come from?

Ironton's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 578 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Ironton 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

Ironton'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
Copper (90th percentile)
Inorganic
Over Limit
2.60 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

2
Total violations
1
Health-based
2
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

2 Total
2 Active
1 Health-based
0 Resolved
Violations by category
Lead and Copper Rule Revisions
1
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jan 2020 Active
Stage 1 Disinfectants and Disinfection Byproducts Rule
Treatment Technique
Health-Based Health 0
Environmental Risk

Drought conditions

D1 — moderate drought

Crow Wing 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.

6.2%
Months in D2+ (last 30y)

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

Environmental Risk

Flood & disaster history

6
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Crow Wing County has experienced 6 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
Aug 1972
SEVERE STORMS & FLOODING
Flood FEMA #347
Apr 1969
FLOODING
Flood FEMA #255
Mar 1966
FLOODING
Flood FEMA #215
Apr 1965
FLOODING
Flood FEMA #188

Recommended water filters

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

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 2.60 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.0 ppb from 1999 (5.0 ppb) to 2023 (0.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has increased by 0.400 mg/L from 1993 (2.200 mg/L) to 2002 (2.600 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
578
Water Systems
1
Water Source

Where Ironton's water comes from

Groundwater

Ironton'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 578 people through 1 water system.

Infrastructure

Water systems serving Ironton

System Name PWSID Population Source
Ironton MN1180017 578 GW
Regional Comparison

How Ironton compares

Full Minnesota rankings →

Ironton's score of 80.1/100 is on par with the average of 82/100 among major Minnesota cities. It outscores 3 of 10 nearby cities. 7 of 10 nearby cities score higher.

Ironton (this city)
80.1
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Ironton, MN

Economic Profile
$48,125
Median Income
$126,249
Median Home Value
$900/mo
Median Rent
8%
Unemployment
Community
35.8
Median Age
149
People / sq mi
18.3%
College Educated
56.3%
Homeownership
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Frequently asked questions

Is Ironton, MN tap water safe to drink?

Ironton's water quality earned a grade of B+ (80.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #421 out of 466 cities tested in Minnesota.

What contaminants are in Ironton's water?

Lead was measured at 0.0 ppb (90th percentile). 2 violations are on record.

How is Ironton'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 Ironton?

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

Where does Ironton's water come from?

Ironton's water is sourced from Groundwater. The city has 1 water system serving approximately 578 residents.

What health violations has Ironton's water system had?

Ironton has 1 health-based violation on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

Is Ironton's groundwater at risk of contamination?

Ironton 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 2 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 Ironton's water compare to other cities?

Ironton ranks #421 out of 466 cities in Minnesota (better than 10% of state cities) and #8027 out of 15744 cities nationally (49th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Ironton's small water system affect quality?

Ironton's system serves approximately 578 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 2 violations on record.