WaterVerge

Is Battle Lake, 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 ↓

918 residents served 1 water system PWSID: MN1560001
Overall Score
91.4 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#168 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

Battle Lake, MN — Water Quality Report

Battle Lake'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 918 residents using groundwater.

Lead levels were measured at 2.0 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 4 violations on record, including 1 health-based violation. 1 remains unresolved.

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

What to know about Battle Lake's water

Battle Lake ranks #168 out of 466 cities in Minnesota for water quality, placing it mid-range in the state.

Battle Lake 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, Battle Lake 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
44.4/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Battle Lake, MN water safe to drink?

Use Caution

Battle Lake's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91.4/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 918 residents using groundwater (wells).

1
Active Violations
2.0 ppb
Lead (90th %ile)
8 events
Disaster History

Recent water quality updates for Battle Lake

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

Update
Water quality data updated

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

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-1982). 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.

Violation
1 drinking water violation recorded

Contaminants: Nitrate.

Key contaminant findings

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

Lead Within Limits
Detected: 2.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Battle Lake's water system has 4 total violations on record, including 1 health-based violation. 1 remain unresolved.

MONMCLMR
Most recent violations:
Jul 2016 Revised Total Coliform Rule Resolved
Oct 2014 Coliform (TCR) Resolved
Jan 1993 Nitrate Resolved

Flood & environmental risk

Otter Tail County has experienced 8 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-1982
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3242
SEVERE WINTER STORMS, FLOODING, AND TORNADOES
Flood FEMA DR-1370

Where does Battle Lake's water come from?

Battle Lake's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 918 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Battle Lake 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

Battle Lake'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
2.0 ppb
EPA Action Level: 15 ppb · 13% of limit
Safe Level
Compliance Record

Violation summary

4
Total violations
1
Health-based
1
Active / unresolved
Jul 2016
Most recent violation
Compliance Record

Violations & advisories

4 Total
1 Active
1 Health-based
3 Resolved
Violations by category
Revised Total Coliform Rule
1
Total Coliform Rule
1
Nitrate Rule
1
Active
Compliance Violation
Monitoring 0
Jul 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Sep 2016
Oct 2014 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2014
Jan 1993 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1993
Environmental Risk

Flood & disaster history

8
Declared disasters
May 2011
Most recent
Flood
Most common type

Otter Tail County has experienced 8 federally declared disasters since 1965. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2011
SEVERE STORMS AND FLOODING
Flood FEMA #1982
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3242
May 2001
SEVERE WINTER STORMS, FLOODING, AND TORNADOES
Flood FEMA #1370
Apr 1997
SEVERE FLOODING, HIGH WINDS,SEVERE STORMS
Flood FEMA #1175
Aug 1972
SEVERE STORMS & FLOODING
Flood FEMA #347
Apr 1969
FLOODING
Flood FEMA #255

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level (90th percentile)

Latest reading: 2.0 ppb (2023)

EPA action level: 15 ppb

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
918
Water Systems
1
Water Source

Where Battle Lake's water comes from

Groundwater

Battle Lake'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 918 people through 1 water system.

Infrastructure

Water systems serving Battle Lake

System Name PWSID Population Source
Battle Lake MN1560001 918 GW
Regional Comparison

How Battle Lake compares

Full Minnesota rankings →

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

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

About Battle Lake, MN

Wikipedia →

Battle Lake is a city in Otter Tail County, Minnesota, United States. The population was 857 according to the 2020 census.

Economic Profile
$57,917
Median Income
$227,089
Median Home Value
$919/mo
Median Rent
8.3%
Unemployment
Community
57
Median Age
200
People / sq mi
27.3%
College Educated
67.5%
Homeownership
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Frequently asked questions

Is Battle Lake, MN tap water safe to drink?

Battle Lake'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 #168 out of 466 cities tested in Minnesota.

What contaminants are in Battle Lake's water?

Lead was measured at 2.0 ppb (90th percentile). 4 violations are on record.

How is Battle Lake'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 Battle Lake?

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

Where does Battle Lake's water come from?

Battle Lake's water is sourced from Groundwater. The city has 1 water system serving approximately 918 residents.

What health violations has Battle Lake's water system had?

Battle Lake has 1 health-based violation on record. The most recent violation was recorded in July 2016. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Battle Lake's groundwater at risk of contamination?

Battle Lake 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 4 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 Battle Lake's water compare to other cities?

Battle Lake ranks #168 out of 466 cities in Minnesota (better than 64% of state cities) and #1729 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 Battle Lake's small water system affect quality?

Battle Lake's system serves approximately 918 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 4 violations on record.