Howard Laboratories is a small, locally-owned laboratory located in the historic district of Hatfield, Massachusetts. We are a certified microbiology lab in the analysis of potable water.
Monday-Thursday: 10 am - 3 pm 24hr Refrigerator Drop-off: Sunday 12pm - Thursday 3pm ***Please note: when overnight temps are below freezing, samples left in the refrigerator overnight might freeze and will not be testable. To ensure your water does not freeze, please leave samples in the morning.***
Bacteria samples left in the refrigerator after 3pm on Thursday - Saturday will not be analyzed.
If you are a water operator, we cannot accept compliance samples left in the outside refrigerator.