Is Westville, IN Tap Water Safe to Drink?
Graded D, with 46 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
47/100
Westville, IN — Water Quality Report
Westville's drinking water received a grade of D (47 out of 100), indicating poor water quality. The city's 5 water systems serve approximately 8,077 residents using groundwater.
Lead levels were measured at 2.6 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 295 violations on record, including 11 health-based violations. 46 remain unresolved.
What to know about Westville's water
Westville ranks #391 out of 414 cities in Indiana for water quality, placing it among the lowest-rated in the state.
Westville 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.
The system has seen 22 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Westville, IN water safe to drink?
Westville's drinking water has significant quality concerns based on EPA testing data. With a grade of D (47/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 5 water systems serve approximately 8,077 residents using groundwater (wells).
Recent water quality updates for Westville
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Westville's water quality assessment. Grade: D (47/100).
Contaminants: Lead and Copper Rule.
Contaminants: Revised Total Coliform Rule, Consumer Confidence Rule.
Contaminants: Groundwater Rule.
Federal disaster declaration (FEMA DR-4363). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3238). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Westville's water supply.
Well within EPA limits.
Violation history
Westville's water system has 295 total violations on record, including 11 health-based violations. 46 remain unresolved. 22 violations were issued in the last 5 years.
Flood & environmental risk
LaPorte County has experienced 4 federally declared disasters since 1982. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.
Where does Westville's water come from?
Westville's drinking water comes from groundwater (wells), supplied by 5 water systems serving approximately 8,077 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Westville residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Westville'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.
Westville'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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Westville
Industrial polluters nearby
Reported releases to surface water by facilities near Westville, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
URSCHEL LABORATORIES INC CHESTERTON, IN46304 | — | — | 6.9 mi |
PRAIRIE PACKAGING LLC KINGSBURY, IN46350 | — | — | 4.0 mi |
SULLIVAN PALATEK MICHIGAN CITY, IN46360 | — | — | 9.9 mi |
SUN COSMETICS LLC VALPARAISO, IN46383 | — | — | 6.5 mi |
SHOREMET LLC VALPARAISO, IN46383 | — | — | 8.0 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Westville
Superfund sites nearby
Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.
- CAM OR INC0.7 mi
Source: EPA Superfund National Priorities List
Flood & disaster history
LaPorte County has experienced 4 federally declared disasters since 1982. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
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. | 2.6 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Westville compares by contaminant
Explore where Westville ranks among all Indiana cities for specific contaminants.
Water source & infrastructure
Where Westville's water comes from
Westville'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 state ownership and serves approximately 8,077 people through 5 water systems.
Water systems serving Westville
| System Name | PWSID | Population | Source |
|---|---|---|---|
| WESTVILLE CORRECTIONAL FACILITY | IN5246001 | 2,850 | GW |
| SOUTH COAST CONSERVANCY DISTRICT | IN5246004 | 2,013 | GWP |
| WESTVILLE WATER DEPARTMENT | IN5246029 | 1,800 | GW |
| NEW DURHAM ESTATES | IN5246032 | 1,099 | GW |
| WESTVILLE ESTATES | IN5246031 | 315 | GW |
How Westville compares
Full Indiana rankings →Westville's score of 47/100 is below the average of 70/100 among major Indiana cities. It outscores 1 of 10 nearby cities. 9 of 10 nearby cities score higher.
Nearby cities
View Indiana rankings →About Westville, IN
Learn more about your water
Guides and resources related to Westville's water quality findings.
Explore water quality across Laporte
Frequently asked questions
Is Westville, IN tap water safe to drink?
Westville's water quality earned a grade of D (47/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #391 out of 414 cities tested in Indiana.
What contaminants are in Westville's water?
Lead was measured at 2.6 ppb (90th percentile). 295 violations are on record.
How is Westville'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 Westville?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Westville's water come from?
Westville's water is sourced from Groundwater. The city has 5 water systems serving approximately 8,077 residents.
What health violations has Westville's water system had?
Westville has 11 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 46 violations remain unresolved.
Is Westville's groundwater at risk of contamination?
Westville 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 295 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 Westville's water compare to other cities?
Westville ranks #391 out of 414 cities in Indiana (better than 6% of state cities) and #13690 out of 15744 cities nationally (13th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.