New Castle, Colorado Water Quality Report
Water quality data for 5 water systems serving 6,465 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (49)
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Resolved Violations (371)
71
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2025
38
Jan 1, 2022 — Jan 31, 2022
36
Jan 1, 2022 — Jan 31, 2022
+ 366 more resolved violations
Frequently Asked Questions
Is New Castle tap water safe to drink?
New Castle'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 New Castle tap water?
0 contaminants have been detected in New Castle's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in New Castle?
Install a water filter rated for the specific contaminants found in New Castle's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does New Castle have any water quality violations?
Yes, New Castle currently has 49 active violations. See the violations section above for details.