Diagonal, Iowa Water Quality Report
Water quality data for 1 water system serving 338 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (8)
75
Mar 21, 2025
75
Mar 21, 2025
75
Mar 21, 2025
75
Oct 21, 2024
75
Oct 21, 2024
75
Oct 21, 2024
Violation
Unknown
Violation
Unknown
Resolved Violations (67)
03
Oct 1, 2024 — Dec 31, 2024
03
Oct 1, 2024 — Dec 31, 2024
03
Oct 1, 2024 — Dec 31, 2024
3A
Oct 1, 2024 — Oct 31, 2024
3A
Oct 1, 2024 — Oct 31, 2024
+ 62 more resolved violations
Frequently Asked Questions
Is Diagonal tap water safe to drink?
Diagonal'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 Diagonal tap water?
0 contaminants have been detected in Diagonal's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Diagonal?
Install a water filter rated for the specific contaminants found in Diagonal's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Diagonal have any water quality violations?
Yes, Diagonal currently has 8 active violations. See the violations section above for details.