Grenville, South Dakota Water Quality Report
Water quality data for 1 water system serving 48 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (8)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (96)
3A
Aug 1, 2025 — Aug 31, 2025
52
Oct 1, 2020
52
Oct 1, 2020
52
Oct 1, 2020
52
Oct 1, 2017
+ 91 more resolved violations
Frequently Asked Questions
Is Grenville tap water safe to drink?
Grenville'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 Grenville tap water?
0 contaminants have been detected in Grenville's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Grenville?
Install a water filter rated for the specific contaminants found in Grenville's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Grenville have any water quality violations?
Yes, Grenville currently has 8 active violations. See the violations section above for details.