Is North Judson, IN Tap Water Safe to Drink?
Graded A-, with 10 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
88.3/100
waterverge.com North Judson, IN — Water Quality Report
North Judson's drinking water received a grade of A- (88.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,800 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 29 violations on record, including 1 health-based violation. 10 remain unresolved.
What to know about North Judson's water
North Judson ranks #92 out of 414 cities in Indiana for water quality, placing it above average in the state.
North Judson 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 Judson may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is North Judson, IN water safe to drink?
North Judson's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,800 residents using groundwater (wells).
Recent water quality updates for North Judson
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into North Judson's water quality assessment. Grade: A- (88.3/100).
Contaminants: Lead and Copper Rule.
Contaminants: Consumer Confidence Rule.
Federal disaster declaration (FEMA DR-4363). Flood event — may have impacted local water infrastructure.
Contaminants: Consumer Confidence Rule.
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 North Judson's water supply.
Well within EPA limits.
Violation history
North Judson's water system has 29 total violations on record, including 1 health-based violation. 10 remain unresolved. 1 violation was issued in the last 5 years.
Flood & environmental risk
Starke 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. Local water sources include Big Monon Ditch, Yellow River.
Where does North Judson's water come from?
North Judson's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,800 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Big Monon Ditch (river), Yellow River (river).
What North Judson residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in North Judson'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.
North Judson'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 North Judson
Industrial polluters nearby
Reported releases to surface water by facilities near North Judson, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
KNOX FERTILIZER CO INC KNOX, IN46534 | — | — | 8.4 mi |
MPI ENGINEERED TECHNOLOGIES LLC KNOX, IN46534 | — | — | 9.0 mi |
OLIN WINCHESTER LLC KNOX, IN46534 | — | — | 9.0 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Starke 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 North Judson compares by contaminant
Explore where North Judson ranks among all Indiana cities for specific contaminants.
Water source & infrastructure
Where North Judson's water comes from
North Judson'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 1,800 people through 1 water system.
Water bodies near North Judson
North Judson is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving North Judson
| System Name | PWSID | Population | Source |
|---|---|---|---|
| NORTH JUDSON WATER COMPANY | IN5275003 | 1,800 | GW |
How North Judson compares
Full Indiana rankings →North Judson's score of 88.3/100 is above the average of 70/100 among major Indiana cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Indiana rankings →Learn more about your water
Guides and resources related to North Judson's water quality findings.
Explore water quality across Starke
Frequently asked questions
Is North Judson, IN tap water safe to drink?
North Judson's water quality earned a grade of A- (88.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #92 out of 414 cities tested in Indiana.
What contaminants are in North Judson's water?
Lead was measured at 2.6 ppb (90th percentile). 29 violations are on record.
How is North Judson'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 Judson?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does North Judson's water come from?
North Judson's water is sourced from Groundwater. The city has 1 water system serving approximately 1,800 residents.
What health violations has North Judson's water system had?
North Judson has 1 health-based violation on record. The most recent violation was recorded in January 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.
Is North Judson's groundwater at risk of contamination?
North Judson 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 29 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 Judson's water compare to other cities?
North Judson ranks #92 out of 414 cities in Indiana (better than 78% of state cities) and #3530 out of 15744 cities nationally (78th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does North Judson's small water system affect quality?
North Judson's system serves approximately 1,800 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 29 violations on record.