D23/100
MONTICELLO WATER WORKS — Water Quality Report 2026
Serving 5,300 people · Indiana
Water Source
Groundwater
County
—
System ID
IN5291011
Violations
46
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.37 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – February 10, 2023Rule: Ground Water 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 MONTICELLO WATER WORKS
Is MONTICELLO WATER WORKS water safe to drink?
MONTICELLO WATER WORKS water receives a grade of D (23/100), which is considered poor. 1 contaminant(s) exceed EPA legal limits and 46 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MONTICELLO WATER WORKS detected?
52 contaminants were tested in MONTICELLO WATER WORKS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does MONTICELLO WATER WORKS have any EPA violations?
Yes, MONTICELLO WATER WORKS has 46 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MON, RPT. 5 are health-based violations.
How many people does MONTICELLO WATER WORKS serve?
MONTICELLO WATER WORKS serves approximately 5,300 people, Indiana. The system provides water to 1 community: Monticello.
What type of water does MONTICELLO WATER WORKS provide?
MONTICELLO WATER WORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IN5291011.
How does MONTICELLO WATER WORKS compare to other utilities in Indiana?
MONTICELLO WATER WORKS scores 23/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Indiana state page for a full comparison of water systems.