B72/100
KALAMAZOO — Water Quality Report 2026
Serving 192,992 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0003520
Violations
6
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
1,4-dioxane | 0.400 µg/L | — | Above Goal |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 KALAMAZOO
Is KALAMAZOO water safe to drink?
KALAMAZOO water receives a grade of B (72/100), which is considered good. Out of 73 contaminants tested, none exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has KALAMAZOO detected?
73 contaminants were tested in KALAMAZOO's water. Notable contaminants include Lead (90th percentile), 1,4-dioxane. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does KALAMAZOO have any EPA violations?
Yes, KALAMAZOO has 6 EPA violation(s) on record, with the most recent in 2019. Violation types include TT, MR. 4 are health-based violations.
How many people does KALAMAZOO serve?
KALAMAZOO serves approximately 192,992 people, Michigan. The system provides water to 1 community: Kalamazoo.
What type of water does KALAMAZOO provide?
KALAMAZOO sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0003520.
How does KALAMAZOO compare to other utilities in Michigan?
KALAMAZOO scores 72/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Michigan state page for a full comparison of water systems.