Gridley, California Water Quality Report
Water quality data for 2 water systems serving 7,301 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFHpA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.005 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.013 | 0.010 ug/L | 0.001 ug/L(EWG) | 128% | Above limit |
| PFNA | 0.010 | 0.010 ug/L | — | 99% | Near limit |
| PFOS | 0.011 | 0.004 ug/L | 0.300 ug/L(EWG) | 263% | Above 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
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Compliance & Violations
Active Violations (3)
2E
Oct 17, 2024
4G
Oct 17, 2024
Violation
Unknown
Resolved Violations (15)
02
Jul 1, 2009 — Sep 30, 2009
02
Mar 1, 2009 — May 31, 2009
03
Dec 1, 2008 — Dec 31, 2008
02
Oct 1, 2008 — Dec 31, 2008
02
Oct 1, 2008 — Dec 31, 2008
+ 10 more resolved violations
Frequently Asked Questions
Is Gridley tap water safe to drink?
Gridley'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 Gridley tap water?
6 contaminants have been detected in Gridley's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Gridley?
Install a water filter rated for the specific contaminants found in Gridley's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Gridley have any water quality violations?
Yes, Gridley currently has 3 active violations. See the violations section above for details.