Massachusetts Cannabis Control Commission

2025 Cannabis Testing Results

50,423 unique samples • 357,469 individual test records • January – November 2025 • 13 licensed laboratories

357.5K

Total Tests

50,423

Unique Samples

92.7%

Samples Passed

7.3%

Failure Rate

25.2%

Avg THCA

Monthly Failure Rate Trend

Failure Rate by Laboratory

Monthly Avg THCA (%) & Failure Rate (%)

THCA Potency Distribution (%)

Mean THCA (%) by Laboratory

Monthly Sample Volume by Laboratory

Pass Rate vs Test Volume by Lab

Sample Outcome Breakdown

Top 5 Labs — Monthly Failure %

Lab Sample Volume Heatmap — Monthly

Individual Lab Profiles

THCA potency positioning, pass rates, and distribution shapes — Overall mean: 25.22% THCA

Where Each Lab Falls on the THCA Distribution

Microbial Analysis — Yeast & Mold

Total Yeast and Mold (CFU/g) trends across passing and failing batches

28.9%

Detection Rate (Pass)

93.5%

Detection Rate (Fail)

993

Median CFU/g (Pass, nonzero)

71,220

Median CFU/g (Fail, nonzero)