Gilroy, California Water Quality Report
Water quality data for 12 water systems serving 60,276 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 11.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 110% | Above guideline |
| PFBS | 0.009 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHpA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.007 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.004 | 0.010 ug/L | 0.001 ug/L(EWG) | 35% | Within limit |
| PFOA | 0.008 | 0.004 ug/L | 0.090 ug/L(EWG) | 200% | Above limit |
| PFOS | 0.006 | 0.004 ug/L | 0.300 ug/L(EWG) | 145% | Above limit |
| PFPeA | 0.008 | 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 (6)
2E
Oct 17, 2024
4G
Oct 17, 2024
52
Oct 1, 2024
51
Nov 1, 2001
Violation
Unknown
Violation
Unknown
Resolved Violations (142)
08
Jul 1, 2024 — Jul 31, 2024
08
Jul 1, 2024 — Jul 31, 2024
01
Jun 1, 2022 — Jun 30, 2022
01
Jun 1, 2022 — Jun 30, 2022
3A
Oct 1, 2021 — Oct 31, 2021
+ 137 more resolved violations
Frequently Asked Questions
Is Gilroy tap water safe to drink?
Gilroy's water has 2 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Gilroy tap water?
8 contaminants have been detected in Gilroy's water supply across 12 water systems. See the full contaminant table above for details.
How can I improve my water quality in Gilroy?
Install a water filter rated for the specific contaminants found in Gilroy's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Gilroy have any water quality violations?
Yes, Gilroy currently has 6 active violations. See the violations section above for details.