Las Marias, Puerto Rico Water Quality Report
Water quality data for 3 water systems serving 9,791 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (4)
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
52
Jul 1, 2023
Resolved Violations (496)
3A
Sep 1, 2025 — Sep 30, 2025
3A
Aug 1, 2025 — Aug 31, 2025
3A
Jul 1, 2025 — Jul 31, 2025
3A
Jun 1, 2025 — Jun 30, 2025
3A
Jun 1, 2025 — Jun 30, 2025
+ 491 more resolved violations
Frequently Asked Questions
Is Las Marias tap water safe to drink?
Las Marias'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 Las Marias tap water?
0 contaminants have been detected in Las Marias's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Las Marias?
Install a water filter rated for the specific contaminants found in Las Marias's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Las Marias have any water quality violations?
Yes, Las Marias currently has 97 active violations. See the violations section above for details.