Costilla, New Mexico Water Quality Report
Water quality data for 2 water systems serving 444 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (32)
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
20
Apr 7, 2024
20
Apr 7, 2024
76
Oct 6, 2021
45
Oct 17, 2012
45
Oct 17, 2012
45
Oct 17, 2012
71
Jul 1, 2002
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 (226)
71
Jul 1, 2025
71
Jul 1, 2025
72
Oct 1, 2023
72
Oct 1, 2023
71
Jul 1, 2023
+ 221 more resolved violations
Frequently Asked Questions
Is Costilla tap water safe to drink?
Costilla'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 Costilla tap water?
0 contaminants have been detected in Costilla's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Costilla?
Install a water filter rated for the specific contaminants found in Costilla's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Costilla have any water quality violations?
Yes, Costilla currently has 32 active violations. See the violations section above for details.