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.