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Emergency Alert

Stage 1 Water Restrictions in Effect
Click here to find your watering day and more. 

Services provided include environmental bacterial testing on drinking, marine and sea water, as well as clinical testing for sexually transmitted and other infectious diseases. Services include:

  • STI Testing
  • Chlamydia
  • Gonorrhea
  • Trichomonas
  • RPR
  • TTPA
  • Gram Stain
  • Wet Prep
  • COVID Testing
  • BSL3 Services
  • WMD (Weapons of Mass Destruction) Testing
  • Influenza Surveillance
  • Environmental Testing
  • E coli and Total Coliform
  • Enterococci
  • Fecal Total Coliform
  • Seafood Safety


Environmental Bacterial Testing

Drinking water for regional public and private water systems and wells.
Corpus Christi City Water is tested by the City of Corpus Christi Water Department at the O.N. Stevens Water Plant Laboratory (361) 826-1200.

Marine water used for recreation submitted by the National Park Service. Health Department personnel collect and analyze samples as part of Texas Beach Watch program.

Seawater used to grow and nourish shellfish submitted by the Texas Department of Health Seafood Safety Division.


Clinical Testing

Sexually transmitted and other infectious diseases on specimens submitted by Corpus Christi, Nueces County and regional City/County Health Department clinics, as well as non-profit medical facilities in the Coastal Bend.


Clinical Chain of Custody

Sentinel Medical Laboratories use this form to submit suspected bioterrorism samples for laboratory analysis. View or download the form »


Environmental Chain of Custody

Local, state, and federal law enforcement agents use this form for submitting suspected bioterrorism samples for laboratory analysis. View or download the form »

Contact Laboratory Services

Hours of operation for water sample submissions

Monday - Wednesday, 8 a.m. - 12 p.m.

For more information, contact (361) 826-7213