Environmental Microbiology Laboratory Services

Drinking Water Sample Drop-Off Locations

Holcombe Laboratory
2250 Holcombe Blvd.
Houston, Texas 77030

The Holcombe Laboratory accepts drinking water samples Monday-Friday from 8 a.m.-4 p.m.

Northside Health Center
8504 Schuller Rd. 
Houston, Texas 77093

The Northside Health Center accepts drinking water samples Monday-Wednesday from 9–11 a.m. The second Wednesday of every month the clinic closes at 11:30 am.