Page last reviewed: September 22, 2022
Environmental Microbiology Laboratory Services
- Required updates and information for compliance samples
- Drinking Water sample submission form (2019)
- Drinking Water testing information – includes lab hours and fees (English)
- Drinking Water testing information – includes lab hours and fees (Spanish)
- Instructions for filling out the Microbial Reporting Form
Drinking Water Sample Drop-Off Locations
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.