WaterVerge

Is West Liberty, 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 ↓

4K residents served 2 water systems PWSID: IA7073010
Overall Score
93 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#72 of 436 in Iowa Top 7% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
93/100
waterverge.com
A 93/100

West Liberty, IA — Water Quality Report

West Liberty's drinking water received a grade of A (93 out of 100), indicating excellent water quality. The city's 2 water systems serve approximately 3,903 residents using groundwater.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 15 violations on record, including 6 health-based violations. 3 remain unresolved.

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

What to know about West Liberty's water

West Liberty ranks #72 out of 436 cities in Iowa for water quality, placing it above average in the state.

West Liberty 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
93 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.8/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17.2/20
B
1 PFAS compound detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is West Liberty, IA water safe to drink?

Concerns Identified

West Liberty's drinking water has significant quality concerns based on EPA testing data. With a grade of A (93/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,903 residents using groundwater (wells).

3
Active Violations
0.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
10 events
Disaster History

Recent water quality updates for West Liberty

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into West Liberty's water quality assessment. Grade: A (93/100).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4421). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: E. COLI.

Violation
1 drinking water violation recorded

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

Key contaminant findings

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

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

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 100.0000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

West Liberty's water system has 15 total violations on record, including 6 health-based violations. 3 remain unresolved.

MONMRMCLOther
Most recent violations:
Jun 2016 Revised Total Coliform Rule Resolved
May 2016 E. COLI Open
Nov 2015 Coliform (TCR) Resolved
Oct 2015 Coliform (TCR) Resolved
Jan 2015 Nitrate Resolved

Flood & environmental risk

Muscatine County has experienced 10 federally declared disasters since 1969. 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 Wb Wapsinonoc Cr At College St At West Branch.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4421
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4119
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3239

Where does West Liberty's water come from?

West Liberty's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,903 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Wb Wapsinonoc Cr At College St At West Branch (river).

What West Liberty residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in West Liberty'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

West Liberty'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
lithium
PFAS / Forever Chemical
Near MCL
100.0000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Above state screening
100.0 µg/L
State screening level: 60 µg/L · +20% over limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

15
Total violations
6
Health-based
3
Active / unresolved
Jun 2016
Most recent violation
Compliance Record

Violations & advisories

15 Total
3 Active
6 Health-based
12 Resolved
Violations by category
Total Coliform Rule
5
Radionuclides and Revised Rad Rule
5
Revised Total Coliform Rule
1
Ground Water Rule
1
Nitrate Rule
1
May 2016 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jun 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2016
Nov 2015 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2015
Oct 2015 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2015
Jan 2015 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Aug 1993 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 1993
Jul 1993 Resolved
Combined Radium (-226 and -228)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1993
Apr 1993 Resolved
Combined Radium (-226 and -228)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1993
Sep 1990 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1990
Sep 1990 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 1990
Oct 1986 Resolved
Combined Radium (-226 and -228)
Other Violation Resolved Dec 1986
Apr 1986 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Jun 1986
Oct 1985 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Sep 1986
Industrial pollution

Top industrial polluters within 10 miles of West Liberty

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CARGILL FEED & NUTRITION WEST BRANCH
Food · CARGILL INC
WEST BRANCH, IA52358
8.4 mi
WEST LIBERTY FOODS L.L.C.
Food · WEST LIBERTY FOODS LLC
WEST LIBERTY, IA52776
0.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

10
Declared disasters
Mar 2019
Most recent
Flood
Most common type

Muscatine County has experienced 10 federally declared disasters since 1969. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Mar 2019
SEVERE STORMS AND FLOODING
Flood FEMA #4421
May 2013
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4119
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3239
Jun 2002
SEVERE STORMS AND FLOODING
Flood FEMA #1420
Jul 1998
SEVERE STORMS, TORNADOES AND FLOODING
Flood FEMA #1230
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #996

Recommended water filters

Based on contaminants detected in West Liberty's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 100.000 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 7.4 ppb from 1993 (7.4 ppb) to 2025 (0.0 ppb).
Contaminant Rankings

See how West Liberty compares by contaminant

Explore where West Liberty ranks among all Iowa cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,903
Water Systems
2
Water Source

Where West Liberty's water comes from

Groundwater

West Liberty'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 3,903 people through 2 water systems.

Local Hydrology

Water bodies near West Liberty

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

Wb Wapsinonoc Cr At College St At West Branch
river
Infrastructure

Water systems serving West Liberty

System Name PWSID Population Source
WEST LIBERTY WATER UTILITY IA7073010 3,858 GW
LITTLE BEAR CAMPGROUND IA1677601 45 GW
Regional Comparison

How West Liberty compares

Full Iowa rankings →

West Liberty's score of 93/100 is above the average of 72/100 among major Iowa cities. It outscores 10 of 10 nearby cities.

West Liberty (this city)
93
Ames
81.5
Iowa avg
72
City Profile

About West Liberty, IA

Wikipedia →

West Liberty is a city in Muscatine County, Iowa, United States. The population was 3,858 at the time of the 2020 census. It is part of the Muscatine micropolitan area.

Economic Profile
$63,910
Median Income
$139,496
Median Home Value
$961/mo
Median Rent
4.2%
Unemployment
Community
33.5
Median Age
835
People / sq mi
12.1%
College Educated
67.6%
Homeownership
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Frequently asked questions

Is West Liberty, IA tap water safe to drink?

West Liberty's water quality earned a grade of A (93/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #72 out of 436 cities tested in Iowa.

What contaminants are in West Liberty's water?

Lead was measured at 0.0 ppb (90th percentile). 1 PFAS compound was detected. 15 violations are on record.

How is West Liberty'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 West Liberty?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does West Liberty's water come from?

West Liberty's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,903 residents.

What health violations has West Liberty's water system had?

West Liberty has 6 health-based violations on record. The most recent violation was recorded in June 2016. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is West Liberty's groundwater at risk of contamination?

West Liberty 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 15 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 West Liberty's water compare to other cities?

West Liberty ranks #72 out of 436 cities in Iowa (better than 83% of state cities) and #1007 out of 15744 cities nationally (94th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.