Opelousas, Louisiana Water Quality Report
Water quality data for 3 water systems serving 34,989 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 39.1 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 391% | Above guideline |
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Opelousas, Louisiana.
Get Water Quality Alerts
Be the first to know when water quality changes in Opelousas.
Compliance & Violations
Active Violations (65)
45
Apr 2, 2025
45
Apr 2, 2025
45
Apr 2, 2025
45
Oct 27, 2021
45
Oct 27, 2021
45
Oct 27, 2021
45
Oct 27, 2021
45
Oct 27, 2021
45
Oct 27, 2021
45
Oct 27, 2021
45
Oct 27, 2021
45
Oct 27, 2021
45
Oct 27, 2021
45
Oct 27, 2021
45
Oct 27, 2021
45
Oct 27, 2021
45
Aug 22, 2019
45
Aug 22, 2019
45
Aug 22, 2019
45
Aug 22, 2019
45
Aug 22, 2019
45
Aug 22, 2019
45
Aug 22, 2019
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (156)
75
Jul 17, 2024
75
Jul 17, 2024
71
Jul 1, 2024
71
Jul 1, 2024
71
Jul 1, 2024
+ 151 more resolved violations
Frequently Asked Questions
Is Opelousas tap water safe to drink?
Opelousas's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Opelousas tap water?
1 contaminants have been detected in Opelousas's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Opelousas?
Install a water filter rated for the specific contaminants found in Opelousas's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Opelousas have any water quality violations?
Yes, Opelousas currently has 65 active violations. See the violations section above for details.