Fair Water Quality
| Contaminant | Detected Level | EPA MCL | Health Guideline | Status |
|---|---|---|---|---|
| Lead |
22.0
|
15 ppb | 1 ppb | Exceeded |
| Compound | Level | EPA MCL | Health Guideline | Status |
|---|---|---|---|---|
| PFOA | 14.0 ppt | 4 ppt | 4 ppt | Exceeded |
| PFOS | 7.2 ppt | 4 ppt | 4 ppt | Exceeded |
| PFHxA | 6.7 ppt | No standard | 400 ppt | Unregulated |
| PFHpA | 5.7 ppt | No standard | — | Unregulated |
| PFNA | 4.6 ppt | 10 ppt | 10 ppt | Below limit |
| PFPeA | 4.5 ppt | No standard | — | Unregulated |
| PFDA | 3.9 ppt | No standard | — | Unregulated |
| PFHxS | 3.3 ppt | 10 ppt | 10 ppt | Below limit |
Water Quality Summary
Tap water quality in Lake Arrowhead, California (92352) receives an overall grade of C (Fair) with a score of 68 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 13 points below the California state average of 81. The area is served by 4 water systems providing water to approximately 11,354 people, using surface water sources. Testing has found elevated levels of Lead that warrant attention. Notably, 2 PFAS compounds exceed EPA limits — a significant concern given the persistent nature of these chemicals. The area has a clean violation record over the past 5 years — a positive indicator of consistent water quality management.
A score of 68/100 indicates fair water quality in Lake Arrowhead, CA. While the water meets minimum federal standards, there are noteworthy concerns — either elevated contaminant levels approaching regulatory limits, a moderate violation history, or both. Residents may want to review specific contaminant data and consider targeted filtration, especially for sensitive groups like children and pregnant women.
Health Information
Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.
Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.
Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.
If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.
Common Questions
Tap water in Lake Arrowhead, California receives a grade of C (Fair) with a score of 68/100. While it generally meets minimum federal standards, there are some areas of concern including violation history or elevated contaminant levels. Sensitive populations (children, pregnant women, elderly) may want to consider additional filtration.
ZIP code 92352 is served by 4 water systems using surface water sources, providing water to approximately 11,354 people. Surface water systems are more susceptible to contamination from agricultural runoff, industrial discharge, and weather events, but typically undergo more extensive treatment including filtration and disinfection.
Yes — lead levels in Lake Arrowhead, California are 22.0 ppb, which exceeds the EPA action level of 15 ppb. This is a serious concern. We strongly recommend using a certified lead-removal filter for all drinking and cooking water, and having your water independently tested.
Yes — 8 PFAS compounds were detected in water serving Lake Arrowhead, California, and 2 exceed EPA maximum contaminant levels. PFAS are persistent chemicals linked to cancer, immune system effects, and developmental issues. A reverse osmosis or activated carbon filter certified for PFAS removal is recommended.
Water systems serving Lake Arrowhead, California have zero violations in the last 5 years. This is a positive indicator of consistent regulatory compliance and water quality management.
Based on detected contaminants (lead, PFAS), residents in Lake Arrowhead, California should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.
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