A100/100
TAMAROA — Water Quality Report 2026
Serving 2,197 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL1450250
Violations
0
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 310.45 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
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 TAMAROA
Is TAMAROA water safe to drink?
TAMAROA water receives a grade of A (100/100), which is considered excellent. Out of 27 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has TAMAROA detected?
27 contaminants were tested in TAMAROA's water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does TAMAROA have any EPA violations?
No, TAMAROA has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does TAMAROA serve?
TAMAROA serves approximately 2,197 people, Illinois. The system provides water to 1 community: Tamaroa.
What type of water does TAMAROA provide?
TAMAROA sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL1450250.
How does TAMAROA compare to other utilities in Illinois?
TAMAROA scores 100/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Illinois state page for a full comparison of water systems.