Hawthorne, California Water Quality Report
Water quality data for 5 water systems serving 321,206 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 51.3 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 513% | Above guideline |
| PFBS | 0.003 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.009 | 0.010 ug/L | 0.001 ug/L(EWG) | 88% | Near limit |
| PFPeA | 0.003 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
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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Compliance & Violations
Active Violations (5)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (10)
03
Jan 1, 2023 — Dec 31, 2023
03
Jan 1, 2023 — Dec 31, 2023
34
Nov 21, 2014
34
Nov 21, 2014
22
Nov 1, 2011 — Nov 30, 2011
+ 5 more resolved violations
Frequently Asked Questions
Is Hawthorne tap water safe to drink?
Hawthorne's water meets all EPA maximum contaminant levels. However, 5 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Hawthorne tap water?
5 contaminants have been detected in Hawthorne's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Hawthorne?
Install a water filter rated for the specific contaminants found in Hawthorne's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Hawthorne have any water quality violations?
Yes, Hawthorne currently has 5 active violations. See the violations section above for details.