Greenfield, California Water Quality Report
Water quality data for 5 water systems serving 19,268 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 54.3 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 543% | Above guideline |
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Compliance & Violations
Active Violations (15)
4H
Jul 2, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
52
Oct 1, 2024
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (389)
01
Apr 1, 2024 — Jun 30, 2024
01
Apr 1, 2024 — Jun 30, 2024
01
Apr 1, 2024 — Jun 30, 2024
01
Jan 1, 2024 — Mar 31, 2024
01
Jan 1, 2024 — Mar 31, 2024
+ 384 more resolved violations
Frequently Asked Questions
Is Greenfield tap water safe to drink?
Greenfield's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Greenfield tap water?
1 contaminants have been detected in Greenfield's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Greenfield?
Install a water filter rated for the specific contaminants found in Greenfield's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Greenfield have any water quality violations?
Yes, Greenfield currently has 15 active violations. See the violations section above for details.