Lansdale, Pennsylvania Water Quality Report
Water quality data for 4 water systems serving 92,162 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 23.6 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 236% | Above guideline |
| PFBS | 0.004 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFOA | 0.005 | 0.004 ug/L | 0.090 ug/L(EWG) | 128% | Above 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
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Lansdale, Pennsylvania.
Get Water Quality Alerts
Be the first to know when water quality changes in Lansdale.
Compliance & Violations
Active Violations (2)
52
Oct 1, 2025
52
Oct 1, 2025
Resolved Violations (498)
75
Jan 11, 2025
75
Jan 11, 2025
75
Jan 11, 2025
75
Jan 11, 2025
75
Jan 11, 2025
+ 493 more resolved violations
Frequently Asked Questions
Is Lansdale tap water safe to drink?
Lansdale's water has 1 contaminant detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Lansdale tap water?
4 contaminants have been detected in Lansdale's water supply across 4 water systems. See the full contaminant table above for details.
How can I improve my water quality in Lansdale?
Install a water filter rated for the specific contaminants found in Lansdale's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Lansdale have any water quality violations?
Yes, Lansdale currently has 14 active violations. See the violations section above for details.