Grantsburg, Indiana Water Quality Report
Water quality data for 1 water system serving 250 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Grantsburg, Indiana.
Get Water Quality Alerts
Be the first to know when water quality changes in Grantsburg.
Compliance & Violations
Active Violations (22)
20
Jul 25, 2025
20
Jul 25, 2025
71
Jul 1, 2025
72
Oct 10, 2024
71
Jul 1, 2024
71
Jul 1, 2024
66
Jan 1, 2024
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (102)
27
Jul 1, 2025 — Sep 30, 2025
27
Jul 1, 2025 — Sep 30, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
+ 97 more resolved violations
Frequently Asked Questions
Is Grantsburg tap water safe to drink?
Grantsburg's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Grantsburg tap water?
0 contaminants have been detected in Grantsburg's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Grantsburg?
Install a water filter rated for the specific contaminants found in Grantsburg's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Grantsburg have any water quality violations?
Yes, Grantsburg currently has 22 active violations. See the violations section above for details.