B79/100
HAMILTON WATER DEPARTMENT — Water Quality Report 2026
Serving 2,675 people · Indiana
Water Source
Groundwater
County
—
System ID
IN5276023
Violations
6
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.39 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2021 – October 15, 2021Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
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 HAMILTON WATER DEPARTMENT
Is HAMILTON WATER DEPARTMENT water safe to drink?
HAMILTON WATER DEPARTMENT water receives a grade of B (79/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has HAMILTON WATER DEPARTMENT detected?
2 contaminants were tested in HAMILTON WATER DEPARTMENT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does HAMILTON WATER DEPARTMENT have any EPA violations?
Yes, HAMILTON WATER DEPARTMENT has 6 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, MR. 1 are health-based violations.
How many people does HAMILTON WATER DEPARTMENT serve?
HAMILTON WATER DEPARTMENT serves approximately 2,675 people, Indiana. The system provides water to 1 community: Hamilton.
What type of water does HAMILTON WATER DEPARTMENT provide?
HAMILTON WATER DEPARTMENT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IN5276023.
How does HAMILTON WATER DEPARTMENT compare to other utilities in Indiana?
HAMILTON WATER DEPARTMENT scores 79/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Indiana state page for a full comparison of water systems.