A93/100
NORTH DEARBORN WATER AUTHORITY — Water Quality Report 2026
Serving 5,775 people · Indiana
Water Source
Groundwater
County
—
System ID
IN5215008
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2000.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About NORTH DEARBORN WATER AUTHORITY
Is NORTH DEARBORN WATER AUTHORITY water safe to drink?
NORTH DEARBORN WATER AUTHORITY water receives a grade of A (93/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has NORTH DEARBORN WATER AUTHORITY detected?
31 contaminants were tested in NORTH DEARBORN WATER AUTHORITY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does NORTH DEARBORN WATER AUTHORITY have any EPA violations?
Yes, NORTH DEARBORN WATER AUTHORITY has 4 EPA violation(s) on record, with the most recent in 2000. Violation types include Other, MR.
How many people does NORTH DEARBORN WATER AUTHORITY serve?
NORTH DEARBORN WATER AUTHORITY serves approximately 5,775 people, Indiana. The system provides water to 1 community: West Harrison.
What type of water does NORTH DEARBORN WATER AUTHORITY provide?
NORTH DEARBORN WATER AUTHORITY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IN5215008.
How does NORTH DEARBORN WATER AUTHORITY compare to other utilities in Indiana?
NORTH DEARBORN WATER AUTHORITY scores 93/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Indiana state page for a full comparison of water systems.