Pleasanton, California Water Quality Report
Water quality data for 4 water systems serving 176,289 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 16.8 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 168% | Above guideline |
| PFBA | 0.006 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.006 | 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 | 0.022 | 0.010 ug/L | 0.001 ug/L(EWG) | 220% | Above limit |
| PFOA | 0.005 | 0.004 ug/L | 0.090 ug/L(EWG) | 128% | Above limit |
| PFOS | 0.026 | 0.004 ug/L | 0.300 ug/L(EWG) | 650% | Above limit |
| PFPeA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFPeS | 0.004 | No federal limit | — | — | No federal limit |
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 Pleasanton, California.
Get Water Quality Alerts
Be the first to know when water quality changes in Pleasanton.
Compliance & Violations
Active Violations (7)
2E
Oct 17, 2024
4G
Oct 17, 2024
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (20)
71
Jul 1, 2016
71
Jul 1, 2016
26
Feb 1, 2010 — Feb 28, 2010
26
Feb 1, 2010 — Feb 28, 2010
71
Jul 1, 2009
+ 15 more resolved violations
Frequently Asked Questions
Is Pleasanton tap water safe to drink?
Pleasanton's water has 3 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Pleasanton tap water?
9 contaminants have been detected in Pleasanton's water supply across 4 water systems. See the full contaminant table above for details.
How can I improve my water quality in Pleasanton?
Install a water filter rated for the specific contaminants found in Pleasanton's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Pleasanton have any water quality violations?
Yes, Pleasanton currently has 7 active violations. See the violations section above for details.