WaterVerge

Is Chatfield, 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 ↓

3K residents served 1 water system PWSID: MN1230002
Overall Score
87.5 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#293 of 466 in Minnesota Top 26% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.5/100
waterverge.com
A- 87.5/100

Chatfield, MN — Water Quality Report

Chatfield's drinking water received a grade of A- (87.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,005 residents using groundwater.

Lead levels were measured at 10.0 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.

The system has 5 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 Chatfield's water

Chatfield ranks #293 out of 466 cities in Minnesota for water quality, placing it below average in the state.

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

Quality Breakdown

Water quality score

See methodology →
87.5 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.5/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
13/20
C
Lead at 10.0 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 Chatfield, MN water safe to drink?

Use Caution

Chatfield's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (87.5/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 3,005 residents using groundwater (wells).

1
Active Violations
10.0 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for Chatfield

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Chatfield's water quality assessment. Grade: A- (87.5/100).

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.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

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 Chatfield's water supply.

Lead Elevated
Detected: 10.0 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.

Violation history

Chatfield's water system has 5 total violations on record, including 0 health-based violations. 1 remain unresolved.

MR
Most recent violations:
Aug 2007 Coliform (TCR) Resolved
May 1995 Coliform (TCR) Resolved
Mar 1991 Coliform (TCR) Resolved
Jan 1991 Coliform (TCR) Resolved

Flood & environmental risk

Fillmore County has experienced 7 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 AND FLOODING
Flood FEMA DR-4290

Where does Chatfield's water come from?

Chatfield's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 3,005 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Chatfield 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

Chatfield'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
10.0 ppb
EPA Action Level: 15 ppb · 67% of limit
Safe Level
Compliance Record

Violation summary

5
Total violations
0
Health-based
1
Active / unresolved
Aug 2007
Most recent violation
Compliance Record

Violations & advisories

5 Total
1 Active
0 Health-based
4 Resolved
Active
Compliance Violation
Monitoring 0
Aug 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2007
May 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 1995
Mar 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1991
Jan 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 1991
Industrial pollution

Top industrial polluters within 10 miles of Chatfield

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
STRONGWELL - CHATFIELD DIV
Plastics and Rubber · STRONGWELL CORP
CHATFIELD, MN55923
0.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

7
Declared disasters
Jun 2024
Most recent
Flood
Most common type

Fillmore County has experienced 7 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
Nov 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4290
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3242
Jul 1974
SEVERE STORMS & FLOODING
Flood FEMA #446
Apr 1969
FLOODING
Flood FEMA #255

Recommended water filters

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

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 10.0 ppb
Read our guide →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 10.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level (90th percentile)

Latest reading: 10.0 ppb (2023)

EPA action level: 15 ppb

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,005
Water Systems
1
Water Source

Where Chatfield's water comes from

Groundwater

Chatfield'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 3,005 people through 1 water system.

Infrastructure

Water systems serving Chatfield

System Name PWSID Population Source
Chatfield MN1230002 3,005 GW
Regional Comparison

How Chatfield compares

Full Minnesota rankings →

Chatfield's score of 87.5/100 is above the average of 82/100 among major Minnesota cities. It outscores 6 of 10 nearby cities.

Chatfield (this city)
87.5
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Chatfield, MN

Wikipedia →

Chatfield is a city in Fillmore and Olmsted counties in the U.S. state of Minnesota. The population was 2,997 at the 2020 census. The city's area is split almost equally between the two counties. Chatfield is known as "The Gateway to Bluff Country" and "The Chosen Valley".

Economic Profile
$88,772
Median Income
$208,838
Median Home Value
$708/mo
Median Rent
1.9%
Unemployment
Community
38.8
Median Age
411
People / sq mi
32.6%
College Educated
83.6%
Homeownership
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Frequently asked questions

Is Chatfield, MN tap water safe to drink?

Chatfield's water quality earned a grade of A- (87.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #293 out of 466 cities tested in Minnesota.

What contaminants are in Chatfield's water?

Lead was measured at 10.0 ppb (90th percentile). 5 violations are on record.

How is Chatfield'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 Chatfield?

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 Chatfield's water come from?

Chatfield's water is sourced from Groundwater. The city has 1 water system serving approximately 3,005 residents.

Is Chatfield's groundwater at risk of contamination?

Chatfield 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 5 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 Chatfield's water compare to other cities?

Chatfield ranks #293 out of 466 cities in Minnesota (better than 37% of state cities) and #4015 out of 15744 cities nationally (75th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Chatfield's small water system affect quality?

Chatfield's system serves approximately 3,005 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 5 violations on record.