WaterVerge

Is Truman, 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 ↓

1K residents served 1 water system PWSID: MN1460010
Overall Score
91.1 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#180 of 466 in Minnesota Top 12% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91.1/100
waterverge.com
A 91.1/100

Truman, MN — Water Quality Report

Truman's drinking water received a grade of A (91.1 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,115 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 8 violations on record, including 0 health-based violations. 2 remain unresolved.

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

What to know about Truman's water

Truman ranks #180 out of 466 cities in Minnesota for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
91.1 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.1/45
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 Truman, MN water safe to drink?

Use Caution

Truman's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91.1/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,115 residents using groundwater (wells).

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

Recent water quality updates for Truman

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Truman's water quality assessment. Grade: A (91.1/100).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4797). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4442). Flood event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: Coliform (TCR), Chlorine.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Truman's water system has 8 total violations on record, including 0 health-based violations. 2 remain unresolved.

MR
Most recent violations:
Oct 2020 Lead and Copper Rule Open
Oct 2008 Coliform (TCR) Resolved
Oct 2008 Chlorine Resolved
Sep 2003 Coliform (TCR) Resolved
Nov 2002 Coliform (TCR) Resolved

Flood & environmental risk

Martin 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.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4797
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4442
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4390

Where does Truman's water come from?

Truman's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,115 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Truman 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

Truman'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

8
Total violations
0
Health-based
2
Active / unresolved
Oct 2020
Most recent violation
Compliance Record

Violations & advisories

8 Total
2 Active
0 Health-based
6 Resolved
Violations by category
Total Coliform Rule
5
Lead and Copper Rule
1
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Oct 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Oct 2008 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2008
Oct 2008 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Sep 2003 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2003
Nov 2002 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2002
Jul 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1995
Dec 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Environmental Risk

Flood & disaster history

7
Declared disasters
Jun 2024
Most recent
Flood
Most common type

Martin 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.

Jun 2024
SEVERE STORMS AND FLOODING
Flood FEMA #4797
Jun 2019
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4442
Sep 2018
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4390
Jul 2014
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4182
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3242
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 0.0 ppb from 2020 (0.0 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,115
Water Systems
1
Water Source

Where Truman's water comes from

Groundwater

Truman'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 1,115 people through 1 water system.

Infrastructure

Water systems serving Truman

System Name PWSID Population Source
Truman MN1460010 1,115 GW
Regional Comparison

How Truman compares

Full Minnesota rankings →

Truman's score of 91.1/100 is above the average of 82/100 among major Minnesota cities. It outscores 9 of 10 nearby cities.

Truman (this city)
91.1
St. Paul
73.3
Rochester
69.7
Minnesota avg
82
City Profile

About Truman, MN

Wikipedia →

Truman is a city in Martin County, Minnesota, United States. The population was 1,092 at the 2020 census.

Economic Profile
$57,917
Median Income
$93,592
Median Home Value
$876/mo
Median Rent
0.3%
Unemployment
Community
33.3
Median Age
427
People / sq mi
19.7%
College Educated
62.1%
Homeownership
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Frequently asked questions

Is Truman, MN tap water safe to drink?

Truman's water quality earned a grade of A (91.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #180 out of 466 cities tested in Minnesota.

What contaminants are in Truman's water?

Lead was measured at 0.0 ppb (90th percentile). 8 violations are on record.

How is Truman'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 Truman?

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

Where does Truman's water come from?

Truman's water is sourced from Groundwater. The city has 1 water system serving approximately 1,115 residents.

Is Truman's groundwater at risk of contamination?

Truman 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 8 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 Truman's water compare to other cities?

Truman ranks #180 out of 466 cities in Minnesota (better than 61% of state cities) and #1881 out of 15744 cities nationally (88th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Truman's small water system affect quality?

Truman's system serves approximately 1,115 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 8 violations on record.