WaterVerge

Is Wellman, IA Tap Water Safe to Drink?

Graded A-, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: IA9276096
Overall Score
89.2 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#239 of 436 in Iowa Top 19% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89.2/100
waterverge.com
A- 89.2/100

Wellman, IA — Water Quality Report

Wellman's drinking water received a grade of A- (89.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,524 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 45 violations on record, including 24 health-based violations. 3 remain unresolved.

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

What to know about Wellman's water

Wellman ranks #239 out of 436 cities in Iowa for water quality, placing it below average in the state.

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

Quality Breakdown

Water quality score

See methodology →
89.2 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.2/45
B
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
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Wellman, IA water safe to drink?

Concerns Identified

Wellman's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (89.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,524 residents using groundwater (wells).

3
Active Violations
0.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Wellman

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Wellman's water quality assessment. Grade: A- (89.2/100).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Nitrate.

Violation
1 drinking water violation recorded

Contaminants: Nitrite.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3239). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, TORNADOES AND FLOODING

Federal disaster declaration (FEMA DR-1230). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Wellman's water system has 45 total violations on record, including 24 health-based violations. 3 remain unresolved.

OtherMRMCL
Most recent violations:
Nov 2020 Public Notice Open
Oct 2018 Nitrate Resolved
May 2016 Nitrite Resolved
Mar 2016 Nitrite Resolved
Mar 2016 Nitrite Resolved

Flood & environmental risk

Washington 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. Local water sources include English River At Kalona.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3239
SEVERE STORMS, TORNADOES AND FLOODING
Flood FEMA DR-1230
SEVERE STORMS & FLOODING
Flood FEMA DR-996

Where does Wellman's water come from?

Wellman's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,524 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include English River At Kalona (river).

What Wellman residents can do

Install a water filter

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

Wellman'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

45
Total violations
24
Health-based
3
Active / unresolved
Nov 2020
Most recent violation
Compliance Record

Violations & advisories

45 Total
3 Active
24 Health-based
42 Resolved
Violations by category
Nitrate Rule
24
Radionuclides and Revised Rad Rule
12
Total Coliform Rule
4
Public Notice Rule and Revised PN Rule
2
Synthetic Organic Chemicals
1
Nov 2020 Active
Public Notice
Other Violation 0
Nov 2015 Active
Public Notice
Other Violation 0
Active
Compliance Violation
Monitoring 0
Oct 2018 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2019
May 2016 Resolved
Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved May 2016
Mar 2016 Resolved
Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2016
Mar 2016 Resolved
Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2016
Feb 2016 Resolved
Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2016
Feb 2016 Resolved
Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2016
Apr 2015 Resolved
Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2015
Jul 2014 Resolved
Nitrite
Max Contaminant Level
Health-Based Health Resolved Jul 2014
Jul 2014 Resolved
Nitrite
Max Contaminant Level
Health-Based Health Resolved Jul 2014
Apr 2011 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2011
Nov 2010 Resolved
Nitrite
Max Contaminant Level
Health-Based Health Resolved Nov 2010
Jul 2010 Resolved
Nitrite
Max Contaminant Level
Health-Based Health Resolved Jul 2010
Jun 2010 Resolved
Nitrite
Max Contaminant Level
Health-Based Health Resolved Jun 2010
Jan 2009 Resolved
Di(2-ethylhexyl) phthalate
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2009
Nov 2008 Resolved
Nitrite
Max Contaminant Level
Health-Based Health Resolved Nov 2008
Nov 2008 Resolved
Nitrite
Max Contaminant Level
Health-Based Health Resolved Nov 2008
Aug 2008 Resolved
Nitrite
Max Contaminant Level
Health-Based Health Resolved Aug 2008
Showing 20 of 45 violations
Environmental Risk

Flood & disaster history

5
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Washington 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 #3239
Jul 1998
SEVERE STORMS, TORNADOES AND FLOODING
Flood FEMA #1230
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #996
May 1990
SEVERE STORMS & FLOODING
Flood FEMA #868
Apr 1965
FLOODING
Flood FEMA #193

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 8.2 ppb from 1993 (8.2 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,524
Water Systems
1
Water Source

Where Wellman's water comes from

Groundwater

Wellman'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 1,524 people through 1 water system.

Local Hydrology

Water bodies near Wellman

Wellman is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

English River At Kalona
river
Infrastructure

Water systems serving Wellman

System Name PWSID Population Source
WELLMAN MUNICIPAL WATERWORKS IA9276096 1,524 GW
Regional Comparison

How Wellman compares

Full Iowa rankings →

Wellman's score of 89.2/100 is above the average of 72/100 among major Iowa cities. It outscores 10 of 10 nearby cities.

Wellman (this city)
89.2
Ames
81.5
Iowa avg
72
City Profile

About Wellman, IA

Wikipedia →

Wellman is a city in Washington County, Iowa, United States. It is part of the Iowa City, Iowa Metropolitan Statistical Area. The population was 1,524 at the time of the 2020 census.

Economic Profile
$55,833
Median Income
$149,365
Median Home Value
$755/mo
Median Rent
1.4%
Unemployment
Community
43.2
Median Age
531
People / sq mi
20%
College Educated
71.5%
Homeownership
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Frequently asked questions

Is Wellman, IA tap water safe to drink?

Wellman's water quality earned a grade of A- (89.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #239 out of 436 cities tested in Iowa.

What contaminants are in Wellman's water?

Lead was measured at 0.0 ppb (90th percentile). 45 violations are on record.

How is Wellman'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 Wellman?

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

Where does Wellman's water come from?

Wellman's water is sourced from Groundwater. The city has 1 water system serving approximately 1,524 residents.

What health violations has Wellman's water system had?

Wellman has 24 health-based violations on record. The most recent violation was recorded in November 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Wellman's groundwater at risk of contamination?

Wellman 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 45 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 Wellman's water compare to other cities?

Wellman ranks #239 out of 436 cities in Iowa (better than 45% of state cities) and #2981 out of 15744 cities nationally (81th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Wellman's small water system affect quality?

Wellman's system serves approximately 1,524 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 45 violations on record.