AgSource Laboratories: 800.236.4995
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AgSource - Umatilla, Oregon

For Learn more about our water and agricultural testing services at Oregon's laboratories,over 35 years, we've provided water and agricultural testing services for Oregon, the Greater Columbia Basin and Yakima Valley communities. Our history as an industry leader in reliable and accurate results makes us the premier choice for all your water and agricultural testing needs.


We provide water and agricultural testing services for soil, soil health, plant tissue, compost & manure, water and fertilizer.


When you choose to work with our Umatilla laboratory, you’ll enjoy benefits such as:

  • Convenient year-round courier service
  • Quick processing and turnaround
  • Quality service and knowledgeable staff


We uphold the highest standards in the Pacific Northwest, and continue to have a solid reputation for excellent service. We proudly maintain the following certifications:

  • Agricultural Laboratory Proficiency Program (ALP)
  • Oregon Environmental Laboratory Accreditation Program (ORELAP) 
  • Manure Analysis Proficiency (MAP)
  • Soil Science Society of America (NAPT-PAP)
  • Washington Department of Ecology (TNI)

AgSource Laboratories of Umatilla is also TNI Certified by the Washington Department of Ecology and the Oregon Environmental Laboratory Accreditation Program (ORELAP) for the analysis of coliform, E. coli, and nitrates in drinking water, and meets all requirements of the 2009 NELAC Standards.

Contact Information

Questions about our water or agricultural testing services? Please contact our Umatilla experts today.