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Septic companies in Spanaway, WA

5 septic companies on record in Spanaway, Pierce County.

Companies
5
County
Pierce

What the ground in Spanaway is like

The USDA soil survey rates every mapped parcel for its suitability as a septic drain field. Across Spanaway's 8.7 square miles, 100.0% of the rated ground is classed "Very limited", meaning restrictions severe enough that a conventional field is often unsuitable and an engineered system may be required.

The limiting features the survey records most often here:

  • Seepage, bottom layer88.7%
  • Filtering capacity88.1%
  • Depth to saturated zone11.8%
  • Slope4.6%

The most common soil series underfoot: Spanaway, Kapowsin, Everett.

This is survey data for the area, not a substitute for a site evaluation on your own lot. A soil scientist or your county health department tests the actual parcel, and the result can differ from the map.

USDA NRCS SSURGO, ENG Septic Tank Absorption Fields · 28 map units · read 2026-08-30

Septic companies in Spanaway

Ordered by verification score. The score counts records we could check and is not a judgment about workmanship. None of these has been checked against a state roster yet, so every licence here reads as unverified.

Nearby

All septic companies in Washington · Pierce County

How these are ranked

By verification score, out of 100, across six checks published in full on how we rank. No company paid to appear here and none can pay to rank higher.