WaterVerge

Is Atwater, MN Tap Water Safe to Drink?

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

1K residents served 1 water system PWSID: MN1340001
Overall Score
96.8 / 100
Violations
None active
Last Updated
May 2026
Source
Groundwater
#24 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
96.8/100
waterverge.com
A+ 96.8/100

Atwater, MN — Water Quality Report

Atwater's drinking water received a grade of A+ (96.8 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,133 residents using groundwater.

Lead levels were measured at 1.0 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 0 health-based violations. All violations have been resolved.

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

What to know about Atwater's water

Atwater ranks #24 out of 466 cities in Minnesota for water quality, placing it one of the best in the state.

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

Quality Breakdown

Water quality score

See methodology →
96.8 out of 100 Grade A+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.8/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.0 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: Groundwater.
Water Safety

Is Atwater, MN water safe to drink?

Generally Safe

Based on EPA testing data, Atwater's tap water is generally safe to drink. The water system earned a grade of A+ (96.8/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 1,133 residents using groundwater (wells).

None
Violations
1.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Atwater

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Atwater's water quality assessment. Grade: A+ (96.8/100).

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Disaster
HURRICANE KATRINA EVACUATION

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

Disaster
SEVERE WINTER STORMS, FLOODING, AND TORNADOES

Federal disaster declaration (FEMA DR-1370). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Nitrate.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Key contaminant findings

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

Lead Within Limits
Detected: 1.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Atwater's water system has 4 total violations on record, including 0 health-based violations. All violations have been resolved.

MR
Most recent violations:
Aug 2007 Coliform (TCR) Resolved
Jul 1998 Nitrate Resolved
Nov 1994 Coliform (TCR) Resolved
Feb 1994 Coliform (TCR) Resolved

Flood & environmental risk

Kandiyohi County has experienced 5 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.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3242
SEVERE WINTER STORMS, FLOODING, AND TORNADOES
Flood FEMA DR-1370
SEVERE FLOODING, HIGH WINDS,SEVERE STORMS
Flood FEMA DR-1175

Where does Atwater's water come from?

Atwater's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,133 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Atwater 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

Atwater'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
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Compliance Record

Violation summary

4
Total violations
0
Health-based
0
Active / unresolved
Aug 2007
Most recent violation
Compliance Record

Violations & advisories

4 Total
0 Active
0 Health-based
4 Resolved
Violations by category
Total Coliform Rule
3
Nitrate Rule
1
Aug 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2007
Jul 1998 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1998
Nov 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 1994
Feb 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1994
Industrial pollution

Top industrial polluters within 10 miles of Atwater

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
JENNIE O TURKEY STORE ATWATER FEEDMILL
Food · HORMEL FOODS CORP
ATWATER, MN56209
0.4 mi
BUSHMILLS ETHANOL INC
Chemicals · NA
ATWATER, MN56209
1.6 mi
PRECISION FIBERGLASS PRODUCTS LTD.
Plastics and Rubber · NA
GROVE CITY, MN56243
4.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

5
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Kandiyohi County has experienced 5 federally declared disasters since 1965. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

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
Apr 1969
FLOODING
Flood FEMA #255
Apr 1965
FLOODING
Flood FEMA #188

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 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 30.0 ppb from 1999 (31.0 ppb) to 2024 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,133
Water Systems
1
Water Source

Where Atwater's water comes from

Groundwater

Atwater'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 1,133 people through 1 water system.

Infrastructure

Water systems serving Atwater

System Name PWSID Population Source
Atwater MN1340001 1,133 GW
Regional Comparison

How Atwater compares

Full Minnesota rankings →

Atwater's score of 96.8/100 is above the average of 82/100 among major Minnesota cities. It outscores 10 of 10 nearby cities.

Atwater (this city)
96.8
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Atwater, MN

Wikipedia →

Atwater is a city in Kandiyohi County, Minnesota, United States. The population was 1,124 at the 2020 census.

Economic Profile
$65,000
Median Income
$139,767
Median Home Value
$726/mo
Median Rent
8.6%
Unemployment
Community
31.2
Median Age
453
People / sq mi
20.3%
College Educated
80.3%
Homeownership
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Frequently asked questions

Is Atwater, MN tap water safe to drink?

Atwater's water quality earned a grade of A+ (96.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #24 out of 466 cities tested in Minnesota.

What contaminants are in Atwater's water?

Lead was measured at 1.0 ppb (90th percentile). 4 violations are on record.

How is Atwater'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 Atwater?

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

Where does Atwater's water come from?

Atwater's water is sourced from Groundwater. The city has 1 water system serving approximately 1,133 residents.

Is Atwater's groundwater at risk of contamination?

Atwater 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 Atwater's water compare to other cities?

Atwater ranks #24 out of 466 cities in Minnesota (better than 95% of state cities) and #149 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 Atwater's small water system affect quality?

Atwater's system serves approximately 1,133 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.