WaterVerge

Is Medford, MN Tap Water Safe to Drink?

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

2K residents served 2 water systems PWSID: MN1740005
Overall Score
88.2 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#273 of 466 in Minnesota Top 23% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
88.2/100
waterverge.com
A- 88.2/100

Medford, MN — Water Quality Report

Medford's drinking water received a grade of A- (88.2 out of 100), indicating good water quality. The city's 2 water systems serve approximately 1,626 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 13 violations on record, including 6 health-based violations. 1 remains unresolved.

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

What to know about Medford's water

Medford ranks #273 out of 466 cities in Minnesota for water quality, placing it below average in the state.

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

Quality Breakdown

Water quality score

See methodology →
88.2 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.2/45
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
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Medford, MN water safe to drink?

Use Caution

Medford's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (88.2/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 2 water systems serve approximately 1,626 residents using groundwater (wells).

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

Recent water quality updates for Medford

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Medford's water quality assessment. Grade: A- (88.2/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
SEVERE STORMS AND FLOODING

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

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Gross Alpha, Excl. Radon and U.

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: Lead and Copper Rule.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.41 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

Medford's water system has 13 total violations on record, including 6 health-based violations. 1 remain unresolved. 1 violation was issued in the last 5 years.

MRMCL
Most recent violations:
Jan 2025 Lead and Copper Rule Resolved
Apr 2020 Gross Alpha, Excl. Radon and U Resolved
Jan 2018 Lead and Copper Rule Resolved
Jul 2014 Coliform (TCR) Resolved
Jul 2014 Chlorine Resolved

Flood & environmental risk

Steele 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. Local water sources include Straight River.

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 Medford's water come from?

Medford's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,626 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Straight River (river).

What Medford 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

Medford'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
1.41 mg/L
EPA Action Level: 1.3 mg/L · +8% over limit
Exceeds Limit
Compliance Record

Violation summary

13
Total violations
6
Health-based
1
Active / unresolved
Jan 2025
Most recent violation
Compliance Record

Violations & advisories

13 Total
1 Active
6 Health-based
12 Resolved
Violations by category
Radionuclides and Revised Rad Rule
6
Total Coliform Rule
3
Lead and Copper Rule
2
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Active
Compliance Violation
Monitoring 0
Jan 2025 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2025
Apr 2020 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Jun 2020
Jan 2018 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2027
Jul 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2014
Jul 2014 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2014
Dec 2007 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved May 2009
Nov 2005 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved May 2009
Oct 2004 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Nov 2011
Apr 2000 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Jun 2000
Jul 1999 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Sep 1999
Jul 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1994
Apr 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1994
Industrial pollution

Top industrial polluters within 10 miles of Medford

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CROWN AEROSOL PACKAGING
Fabricated Metals · CROWN HOLDINGS INC
FARIBAULT, MN55021
8.8 mi
JENNIE-O-TURKEY STORE FARIBAULT FEED MILL
Food · HORMEL FOODS CORP
FARIBAULT, MN55021
3.2 mi
JENNIE-O TURKEY STORE INC
Food · HORMEL FOODS CORP
FARIBAULT, MN55021
8.9 mi
TCC - MEDFORD
Nonmetallic Mineral Product · TWIN CITY CONCRETE PRODUCTS CORP
MEDFORD, MN55049
0.9 mi
TCC MATERIALS - MEDFORD
Nonmetallic Mineral Product · TWIN CITY CONCRETE PRODUCTS CORP
MEDFORD, MN55049
1.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

7
Declared disasters
Jun 2024
Most recent
Flood
Most common type

Steele 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
Jul 2014
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4182
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3242
Jun 1996
FLOODING AND SEVERE STORMS
Flood FEMA #1116

Recommended water filters

Based on contaminants detected in Medford'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) 1.41 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 0.0 ppb from 1997 (3.0 ppb) to 2023 (3.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.590 mg/L from 1995 (2.000 mg/L) to 2014 (1.410 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,626
Water Systems
2
Water Source

Where Medford's water comes from

Groundwater

Medford'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 1,626 people through 2 water systems.

Local Hydrology

Water bodies near Medford

Medford is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Straight River
river
Infrastructure

Water systems serving Medford

System Name PWSID Population Source
Medford MN1740005 1,200 GW
Lazy U Community MN1740006 426 GW
Regional Comparison

How Medford compares

Full Minnesota rankings →

Medford's score of 88.2/100 is above the average of 82/100 among major Minnesota cities. It outscores 7 of 10 nearby cities.

Medford (this city)
88.2
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Medford, MN

Wikipedia →

Medford is a city in Steele County, Minnesota, United States. As of the 2020 census, Medford had a population of 1,315.

Economic Profile
$98,036
Median Income
$213,183
Median Home Value
$825/mo
Median Rent
4.8%
Unemployment
Community
31.4
Median Age
407
People / sq mi
22.4%
College Educated
77.3%
Homeownership
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Frequently asked questions

Is Medford, MN tap water safe to drink?

Medford's water quality earned a grade of A- (88.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #273 out of 466 cities tested in Minnesota.

What contaminants are in Medford's water?

Lead was measured at 0.0 ppb (90th percentile). 13 violations are on record.

How is Medford'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 Medford?

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

Where does Medford's water come from?

Medford's water is sourced from Groundwater. The city has 2 water systems serving approximately 1,626 residents.

What health violations has Medford's water system had?

Medford has 6 health-based violations on record. The most recent violation was recorded in January 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Medford's groundwater at risk of contamination?

Medford 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 13 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 Medford's water compare to other cities?

Medford ranks #273 out of 466 cities in Minnesota (better than 41% of state cities) and #3593 out of 15744 cities nationally (77th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.