WaterVerge

Is Hallock, MN Tap Water Safe to Drink?

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

850 residents served 1 water system PWSID: MN1350001
Overall Score
96.7 / 100
Violations
None active
Last Updated
May 2026
Source
Purchased ground water
#25 of 466 in Minnesota Top 1% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A+GRADE
Water Quality Grade
96.7/100
waterverge.com
A+ 96.7/100

Hallock, MN — Water Quality Report

Hallock's drinking water received a grade of A+ (96.7 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 850 residents using purchased ground water.

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 5 violations on record, including 0 health-based violations. All violations have been resolved.

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

What to know about Hallock's water

Hallock ranks #25 out of 466 cities in Minnesota for water quality, placing it one of the best in the state.

Hallock purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

As a small community water system, Hallock may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
96.7 out of 100 Grade A+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.7/45
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
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Hallock, MN water safe to drink?

Generally Safe

Based on EPA testing data, Hallock's tap water is generally safe to drink. The water system earned a grade of A+ (96.7/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 850 residents using groundwater (wells).

None
Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Hallock

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Hallock's water quality assessment. Grade: A+ (96.7/100).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4722). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4659). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Hallock's water system has 5 total violations on record, including 0 health-based violations. All violations have been resolved.

MR
Most recent violations:
Jan 2018 Lead and Copper Rule Resolved
Jun 2012 Coliform (TCR) Resolved
Apr 2012 Chlorine Resolved
Jul 2007 Coliform (TCR) Resolved
Jun 1991 Coliform (TCR) Resolved

Flood & environmental risk

Kittson 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.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4722
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4659
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4442

Where does Hallock's water come from?

Hallock's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 850 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Hallock 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

Hallock'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

5
Total violations
0
Health-based
0
Active / unresolved
Jan 2018
Most recent violation
Compliance Record

Violations & advisories

5 Total
0 Active
0 Health-based
5 Resolved
Violations by category
Total Coliform Rule
3
Lead and Copper Rule
1
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Jan 2018 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved May 2018
Jun 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2012
Apr 2012 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2012
Jul 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2007
Jun 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1991
Industrial pollution

Top industrial polluters within 10 miles of Hallock

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CHS HALLOCK
Food · CHS INC
KENNEDY, MN56733
7.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

10
Declared disasters
Jul 2023
Most recent
Flood
Most common type

Kittson 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.

Jul 2023
SEVERE STORMS AND FLOODING
Flood FEMA #4722
Jul 2022
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4659
Jun 2019
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4442
May 2011
SEVERE STORMS AND FLOODING
Flood FEMA #1982
Apr 2010
FLOODING
Flood FEMA #1900
Mar 2010
FLOODING
Flood FEMA #3310

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
Purchased Groundwater
Operator
Local Government
Population Served
850
Water Systems
1
Water Source

Where Hallock's water comes from

Purchased Groundwater

Hallock purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of Hallock's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 850 people through 1 water system.

Infrastructure

Water systems serving Hallock

System Name PWSID Population Source
Hallock MN1350001 850 GWP
Regional Comparison

How Hallock compares

Full Minnesota rankings →

Hallock's score of 96.7/100 is above the average of 82/100 among major Minnesota cities. It outscores 10 of 10 nearby cities.

Hallock (this city)
96.7
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Hallock, MN

Economic Profile
$64,185
Median Income
$112,759
Median Home Value
$766/mo
Median Rent
1.7%
Unemployment
Community
56.8
Median Age
145
People / sq mi
27.6%
College Educated
78.1%
Homeownership
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Frequently asked questions

Is Hallock, MN tap water safe to drink?

Hallock's water quality earned a grade of A+ (96.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #25 out of 466 cities tested in Minnesota.

What contaminants are in Hallock's water?

Lead was measured at 0.0 ppb (90th percentile). 5 violations are on record.

How is Hallock'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 Hallock?

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

Where does Hallock's water come from?

Hallock's water is sourced from Purchased ground water. The city has 1 water system serving approximately 850 residents.

Is Hallock's groundwater at risk of contamination?

Hallock 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 Hallock's water compare to other cities?

Hallock ranks #25 out of 466 cities in Minnesota (better than 95% of state cities) and #161 out of 15744 cities nationally (99th percentile). The grade of A+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Hallock's small water system affect quality?

Hallock's system serves approximately 850 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.