North Sioux City, South Dakota Water Quality Report
Water quality data for 1 water system serving 3,042 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (2)
Violation
Unknown
Violation
Unknown
Resolved Violations (67)
03
Jan 1, 2008 — Mar 31, 2008
03
Jan 1, 2008 — Mar 31, 2008
03
Jan 1, 2008 — Mar 31, 2008
03
Jan 1, 2008 — Mar 31, 2008
71
Jul 1, 2003
+ 62 more resolved violations
Frequently Asked Questions
Is North Sioux City tap water safe to drink?
North Sioux City'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 North Sioux City tap water?
0 contaminants have been detected in North Sioux City's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in North Sioux City?
Install a water filter rated for the specific contaminants found in North Sioux City's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does North Sioux City have any water quality violations?
Yes, North Sioux City currently has 2 active violations. See the violations section above for details.