Corona, California Water Quality Report
Water quality data for 5 water systems serving 174,518 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 55.1 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 551% | Above guideline |
| PFBA | 0.008 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.003 | 0.010 ug/L | 0.001 ug/L(EWG) | 33% | Within limit |
| PFPeA | 0.006 | 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
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Corona, California.
Get Water Quality Alerts
Be the first to know when water quality changes in Corona.
Compliance & Violations
Active Violations (8)
2E
Oct 17, 2024
4G
Oct 17, 2024
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (306)
27
Apr 1, 2022 — Jun 30, 2022
27
Apr 1, 2022 — Jun 30, 2022
27
Apr 1, 2022 — Jun 30, 2022
27
Apr 1, 2022 — Jun 30, 2022
27
Jan 1, 2022 — Dec 31, 2022
+ 301 more resolved violations
Frequently Asked Questions
Is Corona tap water safe to drink?
Corona'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 Corona tap water?
5 contaminants have been detected in Corona's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Corona?
Install a water filter rated for the specific contaminants found in Corona's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Corona have any water quality violations?
Yes, Corona currently has 8 active violations. See the violations section above for details.