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Soil, Water and Plant Testing Laboratory

What We Analyze

SOIL | WATER | PLANTS | COMPOST | MANURE

We can also accommodate your unique requests

soil samples

IMPORTANT MESSAGES

Lab Temporarily Closed

The CSU Soil, Water, and Plant Testing Laboratory will be closed June 8th to June 10th.

Our staff will be attending the CSU Spur CampusTerra Building Grand Opening Event.

For more information on our new facility, visit CSU Spur | Bringing learning to life for everyone.

 

The Lab is Moving

The CSU Soil, Water, and Plant Testing Laboratory will be relocated to the newest CSU Spur Terra Building in Denver in mid-August.  Stay tuned for more information on the date we will start operating form CSU Spur as well as our new address for mailing and dropping samples.

NEW FORMS POLICY

To properly process your sample and give recommendations, we need you to FULLY complete our new forms.

What happens if you submit an old form?

  • We will call or email and ask you to submit a completed new form.
  • Make sure to include soil depth if you would like fertilizer recommendations
  • If we don’t hear from you within two weeks, we will cancel testing and dispose of your sample.

 

OFFICE HOURS
Monday – Thursday
8:00 am to 5:00
Closed Friday

How to Submit a Sample

Take a moment to review the steps for submitting a soil sample. We want ensure you submit a successful sample.

The Soil-Water-Plant Testing Lab does not test for pesticides or herbicides

View Price List

How to Take a Sample

Be sure to familiarize yourself with proper sampling techniques. You can view or download a PDF of the instructions.

Fill Out a Submission Form

We have specific requirements based on the type of sample you have. Navigate to the Forms page and complete the PDF form that best describes your sample.

Please COMPLETELY fill out the form

Mail or Deliver Sample and Form

Once you have filled out and printed your new form, include it with your sample and deliver it to:

Mailing Address

Soil, Water, and Plant Testing Lab
Attention: Wilma Trujillo
1120 Campus Delivery
Fort Collins CO 80523-1120

In-Person Delivery

1231 Libbie Coy Way
NESB Room A320
Fort Collins, CO 80523

How To Interpret Your Results

We created a guide on how to interpret your sample results. Feel free to save it as a future resource.

Safe Gardening Guidelines for Marshall Fire

For Areas Affected by the Marshall Fire

Educational Resources

"Soils Matter" Blog

Contact Us

Lab customer service: soiltestinglab@colostate.edu 

Accounting and payments: testingpay@colostate.edu 

Lab phone

(970) 491-5061

Hours of Operation

Monday-Thursday, 8 am – 5 pm
Except major holidays

Mailing Address

For shipping samples

Attention: Wilma Trujillo

Soil, Water, and Plant Testing Lab
1120 Campus Delivery
Fort Collins CO 80523-1120

Physical Address

For in-person delivery

1231 Libbie Coy Way
NESB Room A320
Fort Collins, CO 80523

Free Parking For Sample Delivery

Free 20 min parking can be found at the driveway on the front-left side of the building. Free 30 min parking can be found on Mason Street (about halfway down).

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