Hollister, Oklahoma Water Quality Report
Water quality data for 1 water system serving 60 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (33)
52
Jan 1, 2011
52
Jan 1, 2011
52
Jan 1, 2011
52
Jan 1, 2011
52
Jan 1, 2011
Violation
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (454)
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
27
Oct 1, 2022 — Sep 30, 2023
+ 449 more resolved violations
Frequently Asked Questions
Is Hollister tap water safe to drink?
Hollister'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 Hollister tap water?
0 contaminants have been detected in Hollister's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Hollister?
Install a water filter rated for the specific contaminants found in Hollister's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Hollister have any water quality violations?
Yes, Hollister currently has 33 active violations. See the violations section above for details.