Caldwell, Ohio Water Quality Report
Water quality data for 3 water systems serving 5,568 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFOA | 0.013 | 0.004 ug/L | 0.090 ug/L(EWG) | 325% | Above limit |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Connect with a certified water treatment professional in Caldwell, Ohio.
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Compliance & Violations
Active Violations (28)
35
Jul 1, 2025
35
Jan 1, 2025
35
Jan 1, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
72
Oct 19, 2023
72
Oct 27, 2021
72
Oct 26, 2021
72
Oct 27, 2020
72
Jan 6, 2020
72
Jan 6, 2020
72
Nov 6, 2018
75
Jul 19, 2018
75
Jul 19, 2018
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (256)
71
Jul 1, 2025
71
Jul 1, 2025
72
Jan 2, 2020
72
Jan 2, 2020
75
Jun 19, 2019
+ 251 more resolved violations
Frequently Asked Questions
Is Caldwell tap water safe to drink?
Caldwell's water has 1 contaminant detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Caldwell tap water?
1 contaminants have been detected in Caldwell's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Caldwell?
Install a water filter rated for the specific contaminants found in Caldwell's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Caldwell have any water quality violations?
Yes, Caldwell currently has 28 active violations. See the violations section above for details.