Soil, Water and Plant Testing Laboratory
What We Analyze
SOIL | WATER | PLANTS | COMPOST | MANURE
We can also accommodate your unique requests

IMPORTANT MESSAGES
For more information on our new facility, visit CSU Spur | Bringing learning to life for everyone.
Temporary Lab Closure
The lab will be closed to the public starting on Monday August 29th. Please stay tuned for more information on the date we will start operating from the CSU Spur Terra building in Denver, Colorado.
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
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 and Delivery Address
CSU Spur
Soil, Water and Plant Testing Lab
Room T-316
4780 National Western Drive
Denver, CO 80216
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 and In-Person Delivery Address
CSU Spur
Soil, Water and Plant Testing Lab
Room T-316
4780 National Western Drive
Denver, CO 80216