WaterVerge

Is Sebeka, MN Tap Water Safe to Drink?

Graded A, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

939 residents served 2 water systems PWSID: MN1800002
Overall Score
93.4 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#98 of 466 in Minnesota Top 6% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
93.4/100
waterverge.com
A 93.4/100

Sebeka, MN — Water Quality Report

Sebeka's drinking water received a grade of A (93.4 out of 100), indicating excellent water quality. The city's 2 water systems serve approximately 939 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 16 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 Sebeka's water

Sebeka ranks #98 out of 466 cities in Minnesota for water quality, placing it above average in the state.

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

Quality Breakdown

Water quality score

See methodology →
93.4 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
20/20
A
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 Sebeka, MN water safe to drink?

Use Caution

Sebeka's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (93.4/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 2 water systems serve approximately 939 residents using groundwater (wells).

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

Recent water quality updates for Sebeka

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Sebeka's water quality assessment. Grade: A (93.4/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
3 drinking water violations recorded

Contaminants: Coliform (TCR), Chlorine.

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4182). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3242). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Sebeka's water system has 16 total violations on record, including 1 health-based violation. 2 remain unresolved. 1 violation was issued in the last 5 years.

MONMRMCL
Most recent violations:
Oct 2021 Revised Total Coliform Rule Resolved
Oct 2018 Revised Total Coliform Rule Resolved
Oct 2014 Coliform (TCR) Resolved
Oct 2014 Chlorine Resolved
Oct 2014 Coliform (TCR) Resolved

Flood & environmental risk

Wadena 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.

SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4182
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3242
SEVERE FLOODING, HIGH WINDS,SEVERE STORMS
Flood FEMA DR-1175

Where does Sebeka's water come from?

Sebeka's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 939 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Sebeka 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

Sebeka'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
Compliance Record

Violation summary

16
Total violations
1
Health-based
2
Active / unresolved
Oct 2021
Most recent violation
Compliance Record

Violations & advisories

16 Total
2 Active
1 Health-based
14 Resolved
Violations by category
Total Coliform Rule
8
Stage 1 Disinfectants and Disinfection Byproducts Rule
3
Revised Total Coliform Rule
2
Lead and Copper Rule
1
Nitrate Rule
1
Oct 2011 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Oct 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2021
Oct 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2018
Oct 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2014
Oct 2014 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2014
Oct 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2014
Apr 2014 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2014
Apr 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2014
Oct 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Apr 2009 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2009
Jul 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2005
Apr 1999 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1999
Jan 1995 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1995
Oct 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1993
Jan 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1992
Industrial pollution

Top industrial polluters within 10 miles of Sebeka

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
SALO MANUFACTURING INC
Plastics and Rubber · SALO MANUFACTURING INC
MENAHGA, MN56464
7.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Sebeka

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

6
Declared disasters
Jul 2014
Most recent
Flood
Most common type

Wadena 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.

Jul 2014
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4182
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3242
Apr 1997
SEVERE FLOODING, HIGH WINDS,SEVERE STORMS
Flood FEMA #1175
Apr 1969
FLOODING
Flood FEMA #255
Mar 1966
FLOODING
Flood FEMA #215
Apr 1965
FLOODING
Flood FEMA #188

Full contaminants report

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

Lead level (90th percentile)

Latest reading: 0.0 ppb (2023)

EPA action level: 15 ppb

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
939
Water Systems
2
Water Source

Where Sebeka's water comes from

Groundwater

Sebeka'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 939 people through 2 water systems.

Infrastructure

Water systems serving Sebeka

System Name PWSID Population Source
Sebeka MN1800002 739 GW
Twin Haven Estates MN1030003 200 GW
Regional Comparison

How Sebeka compares

Full Minnesota rankings →

Sebeka's score of 93.4/100 is above the average of 82/100 among major Minnesota cities. It outscores 9 of 10 nearby cities.

Sebeka (this city)
93.4
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Sebeka, MN

Wikipedia →

Sebeka is a city in Wadena County, Minnesota, United States. As of the 2020 census, Sebeka had a population of 741. The name comes from an Ojibwe word meaning "town by the water".

Economic Profile
$42,045
Median Income
$77,418
Median Home Value
$756/mo
Median Rent
3.8%
Unemployment
Community
41.5
Median Age
113
People / sq mi
12.8%
College Educated
61.2%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Sebeka, MN tap water safe to drink?

Sebeka's water quality earned a grade of A (93.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #98 out of 466 cities tested in Minnesota.

What contaminants are in Sebeka's water?

Lead was measured at 0.0 ppb (90th percentile). 16 violations are on record.

How is Sebeka'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 Sebeka?

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

Where does Sebeka's water come from?

Sebeka's water is sourced from Groundwater. The city has 2 water systems serving approximately 939 residents.

What health violations has Sebeka's water system had?

Sebeka has 1 health-based violation on record. The most recent violation was recorded in October 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

Is Sebeka's groundwater at risk of contamination?

Sebeka 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 16 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 Sebeka's water compare to other cities?

Sebeka ranks #98 out of 466 cities in Minnesota (better than 79% of state cities) and #858 out of 15744 cities nationally (95th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.