Lake Arrowhead, California Water Quality Report
Water quality data for 2 water systems serving 7,855 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFDA | 0.004 | No federal limit | 0.006 ug/L(EWG) | 65% | Below guideline |
| PFHpA | 0.006 | 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 | 0.003 | 0.010 ug/L | 0.001 ug/L(EWG) | 33% | Within limit |
| PFNA | 0.005 | 0.010 ug/L | — | 46% | Within limit |
| PFOA | 0.014 | 0.004 ug/L | 0.090 ug/L(EWG) | 350% | Above limit |
| PFOS | 0.007 | 0.004 ug/L | 0.300 ug/L(EWG) | 180% | Above limit |
| PFPeA | 0.004 | 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
Resolved Violations (3)
27
Oct 1, 2013 — Sep 30, 2014
27
Oct 1, 2013 — Sep 30, 2014
51
Jul 1, 1993 — Mar 1, 2000
Frequently Asked Questions
Is Lake Arrowhead tap water safe to drink?
Lake Arrowhead'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 Lake Arrowhead tap water?
8 contaminants have been detected in Lake Arrowhead's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Lake Arrowhead?
Install a water filter rated for the specific contaminants found in Lake Arrowhead's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.