Texas A&M AgriLife Extension Service
Soil, Water and Forage Testing Laboratory
Soil, Water and Forage Testing

Laboratory business hours

Testing parameters, pricing, sample collection and shipping info care located on submittal forms (link below).


In response to the COVID19 health issue, the laboratory has implimented social distancing protocols.

staggering employee work hours and temporarily eliminating face to face interactions with the public.

The laboratory lobby will remain open during normal business hours for unattended sample dropoff.


Due to staggering of work hours, telephone communication with the laboratory maybe limited.

For additional information on COVID19, view the following link: COVID19 information

Address for United States Postal Service:
Soil, Water and Forage Testing Laboratory
2478 TAMU
College Station, Texas 77843-2478

Address for all other couriers (FedEx, UPS and etc.):
Soil, Water and Forage Testing Laboratory
2610 F&B Road
College Station, Texas 77845
Contacts:
Voice 979.845.4816

Email: soiltesting@tamu.edu

The laboratory has added new Aggie Marketplace options:

Prepayment before Sample Shipment | Pay-Submit Sample Information Online

Please note: Only submittal forms with a "21" in the right corner are valid and current. Old forms are no longer valid and should be recycled.


Extension of credit requires a AG-257 External Customer Information Form on file with Texas A&M AgriLife Extension.

Navigating our Site

About the Lab | Our Submittal Forms | Payment Information | Sending Samples

Soil Fertility Recommendations | Listing of Current Methods | Fertilizer Calculators | Publications



The Soil, Water and Forage Testing Laboratory is part of the Department of Soil and Crop Sciences, Texas A&M AgriLife Extension Service, and The Texas A&M University System.