WaterVerge

Is Hampton, MN Tap Water Safe to Drink?

Graded A-, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

811 residents served 2 water systems PWSID: MN1190010
Overall Score
89.9 / 100
Violations
4 active
Last Updated
May 2026
Source
Groundwater
#218 of 466 in Minnesota Top 16% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89.9/100
waterverge.com
A- 89.9/100

Hampton, MN — Water Quality Report

Hampton's drinking water received a grade of A- (89.9 out of 100), indicating good water quality. The city's 2 water systems serve approximately 811 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 4 health-based violations. 4 remain unresolved.

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

What to know about Hampton's water

Hampton ranks #218 out of 466 cities in Minnesota for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
89.9 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.9/45
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
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Hampton, MN water safe to drink?

Concerns Identified

Hampton's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (89.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 811 residents using groundwater (wells).

4
Active Violations
0.0 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for Hampton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Hampton's water quality assessment. Grade: A- (89.9/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

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

Violation
1 drinking water violation recorded

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

Disaster
FLOODING

Federal disaster declaration (FEMA DR-3310). 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 Hampton's water supply.

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

Well within EPA limits.

Violation history

Hampton's water system has 13 total violations on record, including 4 health-based violations. 4 remain unresolved.

MRMCL
Most recent violations:
Oct 2020 Lead and Copper Rule Open
Jan 2016 Coliform (TCR) Resolved
Jul 2012 Coliform (TCR) Resolved
Jul 2002 Coliform (TCR) Resolved
Jul 2001 Coliform (TCR) Resolved

Flood & environmental risk

Dakota 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 Vermillion River, Chub Creek, Prairie Creek, Cannon River.

FLOODING
Flood FEMA DR-3310
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3242
SEVERE WINTER STORMS, FLOODING, AND TORNADOES
Flood FEMA DR-1370

Where does Hampton's water come from?

Hampton's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 811 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Vermillion River (river), Chub Creek (river), Prairie Creek (river), Cannon River (river).

What Hampton residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Hampton's water.

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

Hampton'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

13
Total violations
4
Health-based
4
Active / unresolved
Oct 2020
Most recent violation
Compliance Record

Violations & advisories

13 Total
4 Active
4 Health-based
9 Resolved
Violations by category
Total Coliform Rule
9
Lead and Copper Rule
2
Oct 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jan 2016 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Mar 2016
Jul 2012 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2012
Jul 2002 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2002
Jul 2001 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2001
Apr 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1995
Oct 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1993
Jul 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1992
Jul 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1991
Apr 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1991
Industrial pollution

Top industrial polluters within 10 miles of Hampton

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
HENKEL US OPERATIONS CORP
Computers and Electronic Products · HENKEL OF AMERICA INC
CANNON FALLS, MN55009
7.9 mi
CANNON EQUIPMENT MIDWEST
Furniture · CANNON EQUIPMENT CO
CANNON FALLS, MN55009
7.9 mi
GEMINI - CANNON FALLS
Miscellaneous Manufacturing · GEMINI INC
CANNON FALLS, MN55009
7.7 mi
HANCOCK CONCRETE PRODUCTS LLC
Nonmetallic Mineral Product · CRH AMERICAS INC
CANNON FALLS, MN55009
7.1 mi
REC - CANNON FALLS
Nonmetallic Mineral Product · CEMSTONE CONCRETE MATERIALS
CANNON FALLS, MN55009
6.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

7
Declared disasters
Mar 2010
Most recent
Flood
Most common type

Dakota 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.

Mar 2010
FLOODING
Flood FEMA #3310
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
Jun 1996
FLOODING AND SEVERE STORMS
Flood FEMA #1116
Apr 1969
FLOODING
Flood FEMA #255

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 trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 1.0 ppb from 2020 (2.0 ppb) to 2023 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
811
Water Systems
2
Water Source

Where Hampton's water comes from

Groundwater

Hampton'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 811 people through 2 water systems.

Local Hydrology

Water bodies near Hampton

Hampton is located near 4 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Vermillion River
river
Chub Creek
river
Prairie Creek
river
Cannon River
river
Infrastructure

Water systems serving Hampton

System Name PWSID Population Source
Hampton MN1190010 691 GW
New Trier MN1190011 120 GW
Regional Comparison

How Hampton compares

Full Minnesota rankings →

Hampton's score of 89.9/100 is above the average of 82/100 among major Minnesota cities. It outscores 9 of 10 nearby cities.

Hampton (this city)
89.9
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Hampton, MN

Economic Profile
$92,188
Median Income
$285,313
Median Home Value
$857/mo
Median Rent
8.9%
Unemployment
Community
32.5
Median Age
185
People / sq mi
19%
College Educated
79.9%
Homeownership
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Frequently asked questions

Is Hampton, MN tap water safe to drink?

Hampton's water quality earned a grade of A- (89.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #218 out of 466 cities tested in Minnesota.

What contaminants are in Hampton's water?

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

How is Hampton'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 Hampton?

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

Where does Hampton's water come from?

Hampton's water is sourced from Groundwater. The city has 2 water systems serving approximately 811 residents.

What health violations has Hampton's water system had?

Hampton has 4 health-based violations on record. The most recent violation was recorded in October 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

Is Hampton's groundwater at risk of contamination?

Hampton 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 Hampton's water compare to other cities?

Hampton ranks #218 out of 466 cities in Minnesota (better than 53% of state cities) and #2523 out of 15744 cities nationally (84th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.