• Skip to primary navigation
  • Skip to main content
  • Texas A&M Forest Service
  • Texas A&M Veterinary Medical Diagnostics Laboratory
  • Texas A&M AgriLife Extension Service
  • Texas A&M AgriLife Research
  • Texas A&M College of Agrculture and Life Sciences
Aquaculture, Fisheries, & Pond Management
Aquaculture, Fisheries, & Pond ManagementTeaching, Research, Extension and Service
  • Menu
  • Home
  • Aquatic Diagnostics Lab
  • AquaExtension Factsheets
  • Events
  • Hire a Professional

Directions for Submitting a Sample for Testing

If you are looking to submit a water or fish sample for testing, then you’ve come to the right place. Below are the forms and information needed to collect and submit your sample to the Aquatic Diagnostics Laboratory.

All samples should be mailed to:

Aquatic Diagnostic Laboratory
Brittany Chesser
495 Horticulture Dr., room 305
2138 TAMU
College Station, TX 77843-2138

For any questions, please contact Brittany Chesser (brittany.chesser@tamu.edu)
or Todd Sink (todd.sink@tamu.edu).

Please note that the shipping address is not the physical location of the laboratory.

Sample drop-off is not accepted. The laboratory is not staffed full-time and is NOT located on the main campus in College Station. The mailing address provided is a mailroom where samples are delivered for later pickup by laboratory personnel.

There are no laboratory staff located in the mailroom to receive hand-delivered samples. To ensure proper handling, all samples must be shipped to the designated mailing address according to the submission instructions.

Any samples delivered in person may not be accepted or processed. 

How to Take and Send a Water Sample
This how-to guide provides detailed instructions on how to collect, submit, and make a payment for a water sample to the Aquatic Diagnostics Laboratory. Please review these directions prior to collection and payment. Water analyses may not be accurate if the sample is taken incorrectly.

How to Take and Send a Fish Sample
This how-to guide provides detailed instructions on how to create a work order online, collect, and submit a fish sample to the Aquatic Diagnostics Laboratory. Please review these directions prior to collection and payment. Water analyses may not be accurate if the sample is taken incorrectly.

Understanding Water Quality Reports
Each water analysis processed results in a detailed Water Chemistry Report provided to the client. This guide provides more detailed information to better understand the Water Chemistry Report and what the water chemistry means for fish. The Spanish version is available at: Para la versión en español, haga clic aquí.

How Much Will Lab Tests Cost?
The Aquatic Diagnostic Laboratory performs diagnostic tests at cost.  Associated fees recovers only costs for the labor and diagnostic materials, so there is no mark up to the client. Please visit this page for details regarding the current fees and forms of payments.

Print Friendly, PDF & Email
Texas A&M AgriLife Extension Service
Texas A&M University System Member
  • Compact with Texans
  • Privacy and Security
  • Accessibility Policy
  • State Link Policy
  • Statewide Search
  • Veterans Benefits
  • Military Families
  • Risk, Fraud & Misconduct Hotline
  • Texas Homeland Security
  • Texas Veteran's Portal
  • Equal Opportunity
  • Open Records/Public Information