Keystone, South Dakota Water Quality Report
Water quality data for 1 water system serving 349 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (1)
Violation
Unknown
Resolved Violations (49)
03
Jan 1, 2019 — Mar 31, 2019
03
Jan 1, 2019 — Mar 31, 2019
03
Jan 1, 2019 — Mar 31, 2019
03
Jan 1, 2019 — Mar 31, 2019
03
Jan 1, 2019 — Mar 31, 2019
+ 44 more resolved violations
Frequently Asked Questions
Is Keystone tap water safe to drink?
Keystone'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 Keystone tap water?
0 contaminants have been detected in Keystone's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Keystone?
Install a water filter rated for the specific contaminants found in Keystone's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Keystone have any water quality violations?
Yes, Keystone currently has 1 active violation. See the violations section above for details.