Test results

Lab technician examining a filtered water sample beside a stainless steel Berkey water filter
Independent Lab Testing

Berkey Lab Test Results

Third-party reports for Phoenix, Black Berkey and PF‑2 filters.

200+ Contaminants Tested
Independent Accredited Labs
Full Reports Public
Authorized Dealer Since 2008
Phoenix Elements

Phoenix Test Results

The NSF certified replacement for Black Berkey. Each card opens the full report.

New & Most Comprehensive

Berkey Phoenix Filters, New Millennium Edition

Every Phoenix lab report, summary and lab credential in one place.

View All Phoenix Results
200+Contaminants Tested
99.8%+PFAS Reduction
42 & 372NSF/ANSI Certified
Black Berkey Elements

Black Berkey Test Results

Each report links to the full article, lab credentials and a downloadable PDF.

Fluoride & Arsenic

PF‑2 Filter Results

All testing follows NSF/ANSI, EPA and APHA protocols at accredited labs with no ties to Berkey beyond paid testing. Lab results are measured under controlled conditions and can vary with your water, flow rate and filter care.

Questions About Test Results?

Our U.S.-based team can help you read the data, 7 days a week.