Collinsville, Oklahoma Water Quality Report
Water quality data for 2 water systems serving 30,775 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Collinsville, Oklahoma.
Get Water Quality Alerts
Be the first to know when water quality changes in Collinsville.
Compliance & Violations
Active Violations (9)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (178)
3A
Jun 1, 2025 — Jun 30, 2025
27
Jun 1, 2025 — Jun 30, 2025
27
Jun 1, 2025 — Jun 30, 2025
27
Jun 1, 2025 — Jun 30, 2025
27
Jun 1, 2025 — Jun 30, 2025
+ 173 more resolved violations
Frequently Asked Questions
Is Collinsville tap water safe to drink?
Collinsville'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 Collinsville tap water?
0 contaminants have been detected in Collinsville's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Collinsville?
Install a water filter rated for the specific contaminants found in Collinsville's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Collinsville have any water quality violations?
Yes, Collinsville currently has 9 active violations. See the violations section above for details.