Merced, California Water Quality Report
Water quality data for 5 water systems serving 96,779 people.
Water Source
Detected Contaminants
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 Merced, California.
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Compliance & Violations
Active Violations (17)
2E
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
52
Oct 1, 2022
52
Oct 1, 2018
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (38)
3A
Oct 1, 2021 — Oct 31, 2021
3A
Oct 1, 2021 — Oct 31, 2021
27
Jan 1, 2021 — Dec 31, 2021
27
Jan 1, 2021 — Dec 31, 2021
27
Jan 1, 2021 — Dec 31, 2021
+ 33 more resolved violations
Frequently Asked Questions
Is Merced tap water safe to drink?
Merced's water has 3 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Merced tap water?
4 contaminants have been detected in Merced's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Merced?
Install a water filter rated for the specific contaminants found in Merced's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Merced have any water quality violations?
Yes, Merced currently has 17 active violations. See the violations section above for details.