Septic System Installation & Repairs
Professional septic system installation, replacement, and repair services across the Greater Tri-Cities area. We handle complete new septic installs, drain field excavation, tank replacements, and repairs to failing or damaged systems.
WHITE ARROW LAND WORKS provides full-service septic system excavation and installation for residential and rural properties. Our crew handles every phase of septic work — from initial site evaluation and perc testing coordination to tank placement, distribution box installation, and drain field excavation. We also repair and replace failing septic components including cracked tanks, collapsed drain lines, and saturated leach fields. All work is performed to Washington State Department of Health standards and local health district requirements.
Common Problems This Solves
Failing or backed-up septic systems
New construction requiring septic installation
Saturated or collapsed drain fields
Cracked or deteriorating septic tanks
Undersized systems for expanded homes
Code violations on existing septic systems
How Septic System Installation & Repairs Works
Here's what to expect when you hire WHITE ARROW LAND WORKS for septic system installation & repairs:
Site evaluation to assess soil conditions, lot layout, and setback requirements
Coordinate perc testing and design with a licensed septic designer
Obtain all required permits from the local health district
Excavate the tank pit to proper depth and dimensions with stable base
Set the septic tank and install inlet/outlet piping and distribution box
Excavate drain field trenches and install gravel bed with perforated pipe
Backfill, compact, and grade the site to ensure proper drainage away from the system
Schedule final inspection with the health district before system use
Timeline and approach vary based on system type and size, soil conditions and perc test results, tank material (concrete, poly, fiberglass).
Frequently Asked Questions
Content reviewed by Tom Boczar — WA General Contractor