Is North Liberty, IN 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 ↓
89.5/100
waterverge.com North Liberty, IN — Water Quality Report
North Liberty's drinking water received a grade of A- (89.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,896 residents using groundwater.
Lead levels were measured at 1.4 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 40 violations on record, including 2 health-based violations. 3 remain unresolved.
What to know about North Liberty's water
North Liberty ranks #61 out of 414 cities in Indiana for water quality, placing it above average in the state.
North 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.
As a small community water system, North Liberty may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is North Liberty, IN water safe to drink?
North Liberty's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (89.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,896 residents using groundwater (wells).
Recent water quality updates for North Liberty
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into North Liberty's water quality assessment. Grade: A- (89.5/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Radium-226, Radium-228, Gross Alpha, Excl. Radon and U.
Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for North Liberty's water supply.
Well within EPA limits.
Violation history
North Liberty's water system has 40 total violations on record, including 2 health-based violations. 3 remain unresolved. 4 violations were issued in the last 5 years.
Where does North Liberty's water come from?
North Liberty's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,896 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What North Liberty residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in North Liberty's water.
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.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of North Liberty
Industrial polluters nearby
Reported releases to surface water by facilities near North Liberty, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
HYDRO EXTRUSION USA LLC NORTH LIBERTY, IN46554 | — | — | 0.1 mi |
MODERN DOOR CORP WALKERTON, IN46574 | — | — | 5.9 mi |
AMERICAN ROLLER CO LLC WALKERTON, IN46574 | — | — | 5.8 mi |
MASONITE CORP WALKERTON WALKERTON, IN46574 | — | — | 5.5 mi |
POLYGON CO WALKERTON, IN46574 | — | — | 5.9 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 1.4 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how North Liberty compares by contaminant
Explore where North Liberty ranks among all Indiana cities for specific contaminants.
Water source & infrastructure
Where North Liberty's water comes from
North 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 1,896 people through 1 water system.
Water systems serving North Liberty
| System Name | PWSID | Population | Source |
|---|---|---|---|
| NORTH LIBERTY WATER WORKS | IN5271010 | 1,896 | GW |
How North Liberty compares
Full Indiana rankings →North Liberty's score of 89.5/100 is above the average of 70/100 among major Indiana cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Indiana rankings →About North Liberty, IN
Wikipedia →Walkerton is a town in Lincoln Township, St. Joseph County, in the U.S. state of Indiana. As of the 2020 census, Walkerton had a population of 2,096. It is part of the South Bend–Mishawaka, IN-MI, Metropolitan Statistical Area.
Learn more about your water
Guides and resources related to North Liberty's water quality findings.
Explore water quality across St. Joseph
Frequently asked questions
Is North Liberty, IN tap water safe to drink?
North Liberty's water quality earned a grade of A- (89.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #61 out of 414 cities tested in Indiana.
What contaminants are in North Liberty's water?
Lead was measured at 1.4 ppb (90th percentile). 40 violations are on record.
How is North 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 North Liberty?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does North Liberty's water come from?
North Liberty's water is sourced from Groundwater. The city has 1 water system serving approximately 1,896 residents.
What health violations has North Liberty's water system had?
North Liberty has 2 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.
Is North Liberty's groundwater at risk of contamination?
North 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 40 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 North Liberty's water compare to other cities?
North Liberty ranks #61 out of 414 cities in Indiana (better than 85% of state cities) and #2794 out of 15744 cities nationally (82th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does North Liberty's small water system affect quality?
North Liberty's system serves approximately 1,896 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 40 violations on record.