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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).

The Texas A&M University campus and the Soil Testing Laboratory will close at noon on Dec. 23rd, 2021. Campus and the laboratory will reopen Jan 3rd, 2022.

The laboratory lobby will remains open during normal business hours for unattended sample dropoff. Due to staggering of work hours, telephone communication with the laboratory maybe limited.

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
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 "22" in the right corner are valid. All forms have changed.

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.