WaterVerge

Is Courtland, MN Tap Water Safe to Drink?

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

635 residents served 1 water system PWSID: MN1520001
Overall Score
91.4 / 100
Violations
None active
Last Updated
May 2026
Source
Groundwater
#169 of 466 in Minnesota Top 11% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91.4/100
waterverge.com
A 91.4/100

Courtland, MN — Water Quality Report

Courtland's drinking water received a grade of A (91.4 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 635 residents using groundwater.

Lead levels were measured at 9.0 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 3 violations on record, including 1 health-based violation. All violations have been resolved.

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

What to know about Courtland's water

Courtland ranks #169 out of 466 cities in Minnesota for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
91.4 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.4/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 9.0 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 Courtland, MN water safe to drink?

Generally Safe

Based on EPA testing data, Courtland's tap water is generally safe to drink. The water system earned a grade of A (91.4/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 635 residents using groundwater (wells).

2
Violations (5yr)
9.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Courtland

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Courtland's water quality assessment. Grade: A (91.4/100).

Disaster
SEVERE STORMS AND FLOODING

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

Violation
2 drinking water violations recorded

Contaminants: Revised Total Coliform Rule, Chlorine.

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

1 health-based. Contaminants: Combined Radium (-226 and -228).

Key contaminant findings

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

Lead Elevated
Detected: 9.0 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

Courtland's water system has 3 total violations on record, including 1 health-based violation. All violations have been resolved. 2 violations were issued in the last 5 years.

MONMRMCL
Most recent violations:
Apr 2024 Revised Total Coliform Rule Resolved
Apr 2024 Chlorine Resolved
Oct 1987 Combined Radium (-226 and -228) Resolved

Flood & environmental risk

Nicollet County has experienced 10 federally declared disasters since 1997. 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 Minnesota River, Cottonwood River, Little Cottonwood River.

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 Courtland's water come from?

Courtland's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 635 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Minnesota River (river), Cottonwood River (river), Little Cottonwood River (river).

What Courtland 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

Courtland'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
9.0 ppb
EPA Action Level: 15 ppb · 60% of limit
Safe Level
Compliance Record

Violation summary

3
Total violations
1
Health-based
0
Active / unresolved
Apr 2024
Most recent violation
Compliance Record

Violations & advisories

3 Total
0 Active
1 Health-based
3 Resolved
Violations by category
Revised Total Coliform Rule
1
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Radionuclides and Revised Rad Rule
1
Apr 2024 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2024
Apr 2024 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2024
Oct 1987 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Sep 1991
Industrial pollution

Top industrial polluters within 10 miles of Courtland

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
NORTH AMERICAN PIPE & PRECAST
Nonmetallic Mineral Product · CRH AMERICAS INC
COURTLAND, MN56021
0.8 mi
KRAFT HEINZ CO-NEW ULM FACILITY
Food · THE KRAFT HEINZ CO
NEW ULM, MN56073
4.7 mi
3M CO - NEW ULM
Electrical Equipment · 3M CO
NEW ULM, MN56073
7.6 mi
ASSOCIATED MILK PRODUCERS INC.
Food · ASSOCIATED MILK PRODUCERS INC
NEW ULM, MN56073
6.3 mi
PARKER HANNIFIN CORP - NEW ULM
Electrical Equipment · NA
NEW ULM, MN56073
8.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

10
Declared disasters
Jun 2024
Most recent
Flood
Most common type

Nicollet County has experienced 10 federally declared disasters since 1997. 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
May 2011
SEVERE STORMS AND FLOODING
Flood FEMA #1982
Apr 2010
FLOODING
Flood FEMA #1900

Recommended water filters

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

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 9.0 ppb
Read our guide →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 9.0 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 increased by 7.0 ppb from 2020 (2.0 ppb) to 2023 (9.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
635
Water Systems
1
Water Source

Where Courtland's water comes from

Groundwater

Courtland'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 635 people through 1 water system.

Local Hydrology

Water bodies near Courtland

Courtland is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Minnesota River
river
Cottonwood River
river
Little Cottonwood River
river
Infrastructure

Water systems serving Courtland

System Name PWSID Population Source
Courtland MN1520001 635 GW
Regional Comparison

How Courtland compares

Full Minnesota rankings →

Courtland's score of 91.4/100 is above the average of 82/100 among major Minnesota cities. It outscores 9 of 10 nearby cities.

Courtland (this city)
91.4
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Courtland, MN

Economic Profile
$102,546
Median Income
$240,551
Median Home Value
$1,030/mo
Median Rent
0.9%
Unemployment
Community
39.6
Median Age
118
People / sq mi
30.7%
College Educated
81.7%
Homeownership
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Frequently asked questions

Is Courtland, MN tap water safe to drink?

Courtland's water quality earned a grade of A (91.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #169 out of 466 cities tested in Minnesota.

What contaminants are in Courtland's water?

Lead was measured at 9.0 ppb (90th percentile). 3 violations are on record.

How is Courtland'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 Courtland?

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 Courtland's water come from?

Courtland's water is sourced from Groundwater. The city has 1 water system serving approximately 635 residents.

What health violations has Courtland's water system had?

Courtland has 1 health-based violation on record. The most recent violation was recorded in April 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. All health violations have been resolved.

Is Courtland's groundwater at risk of contamination?

Courtland 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 3 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 Courtland's water compare to other cities?

Courtland ranks #169 out of 466 cities in Minnesota (better than 64% of state cities) and #1735 out of 15744 cities nationally (89th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Courtland's small water system affect quality?

Courtland's system serves approximately 635 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 3 violations on record.