Zero-Stress Septic Services

Septic installations, replacements, repairs — since 1979, we’ve done (and seen) it all. At D&D, we pride ourselves on our deep knowledge of septic and dispatch only certified, licensed experts. Whether you’re in Adams, Benton, Franklin, Yakima, Grant, or Walla Walla counties, you can rely on us to sort out your septic mess. Fast.  


  • Certified Infiltrator Tank and Chamber Installation
  • Tank Replacement
  • Septic System Replacements
  • New Septic System Installations
  • Licensed Installation of Engineered & Standard Gravity Septic Systems
  • Engineered Systems Consultations
  • Expert Repairs

Now Offering Affordable monthly payments with 

Fill out the form below to get a free estimate or call us at (509) 627-0575.

Don’t sweat your septic repair or install. Call D&D. (509) 627-0575

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D & D Tri Rivers Excavating, Inc. BBB Business Review