Water testing in Texas
Lowest price: $16.50, Houston Health Department, Water and Dairy Section.
Houston Health Department Water and Dairy Lab Drinking Water Testing
$16.50
- Bacteria
- E. coli
Pick up a sterile sample bottle, collect your tap or well water sample following the instructions, and deliver it with payment to the Houston Health Department Laboratory within 28 hours of collection.
Samples must be submitted in sterile treated bottles supplied by the City of Houston Health Department, Harris County Health Department, the Texas Department of State Health Services, Texas Commission on Environmental Quality (TCEQ), or your local health authority.
- Houston Health Department Laboratory, Water and Dairy Section, 2250 Holcombe Blvd., Houston · 832-393-3939
Checked October 1, 2026. Report a change
DSHS Public Health Laboratory Potable Water Coliform and E. coli Testing
$18.39
- Bacteria
- E. coli
Pick up or call to request sterile bottles and a G-19 submission form from the DSHS Laboratory, then hand deliver or mail the sample so it arrives within 30 hours of collection.
Open to members of the general public submitting potable (drinking) water samples; other sample types must be submitted by registered public health sanitarians.
- DSHS Austin Public Health Laboratory, Microbiology Unit, PO Box 149347 (Public Health Laboratory Division, MC 1947), Austin · 512-776-7598
Checked October 1, 2026. Report a change
San Antonio Metro Health Water Lab Bacteriological Testing
$25
Drinking Water Bacteriology: $25
- Bacteria
- E. coli
Call the Metro Health Water Lab at 210-207-8887 to arrange pickup of a sample kit and submit your water sample for testing.
- Metro Health Water Lab, 2303 SE Military Dr., Bldg. 533, San Antonio · 210-207-8887
Checked October 1, 2026. Report a change
North Texas Regional Laboratory Drinking Water Bacteriology Testing
$30
Colilert Culture P/A - $30 per sample
- Bacteria
- E. coli
Complete the Coliform Test Request form for non-public drinking water samples, collect the sample per instructions, and deliver it to the lab Monday through Thursday by 5 p.m. within 24 hours of collection.
the lab serves public water systems for ongoing regulatory compliance and to private individuals to assess the quality of their drinking water
- North Texas Regional Laboratory, 1101 South Main St. Suite 1700, Fort Worth · 817-321-4750
Checked October 1, 2026. Report a change
Texas Well Owner Network Well Informed Water Screening
Call for price
- Nitrate
- TDS
- Bacteria
- E. coli
Register for an upcoming Well Informed training through the TWON contact form and bring a water sample collected within 24 hours.
Private water well owners in Texas who bring a sample to a scheduled Well Informed screening event.
- Texas Water Resources Institute, 1001 Holleman Dr. E., 2118 TAMU, College Station · 979-314-2824
Checked October 1, 2026. Report a change
Dallas Water Utilities Free Lead Testing
Free
- Lead
Dallas Water Utilities customers can request free lead testing of their tap water by calling 3-1-1 or contacting the Water Quality Division at 214-670-0915 or DWUWaterQuality@dallas.gov.
Checked October 1, 2026. Report a change
Austin Water Free Lead Testing
Free
- Lead
Call Austin Water at 512-972-2133 to request free lead testing for your home's tap water.
residents of the Austin Water service area concerned about lead in their plumbing or fixtures
Checked October 1, 2026. Report a change
Fort Worth Water Lead and Copper Testing
$25
$25 lead or copper, $50 both
- Lead
- Copper
Fort Worth Water customers can request free lead and copper testing by completing the online request form or calling Water Customer Service at 817-392-4477.
Free lead testing to all locations with an overall service line classification of lead, galvanized-requiring-replacement or unknown.
- Fort Worth Water Customer Service, 100 Fort Worth Trail, Fort Worth · 817-392-4477
Checked October 1, 2026. Report a change