Washington Excavating & Grading

Certified septic pumping company · Rock Hill, SC · York County

Certification status

Listed in the SCDES on-site wastewater (OSWW) contractor registry as of 2026-07-23 — verify current status at the official source

Certification categories

Installer (Tier 2)

License / registration #

OSWWI0552

Location

4941 Ironwood Ct, Rock Hill, SC, 29732

Phone (from public registry)

(803) 309-5468

This profile is compiled from public registry records. It is not an endorsement, and The Septic Directory has no business relationship with Washington Excavating & Grading unless noted. Is this your company? Claim or correct this listing — it's free.

What septic pumping certification means

South Carolina permits on-site wastewater (septic) installers and pumpers through the Department of Environmental Services (SCDES). This directory is compiled from the official SCDES OSWW contractor registry.

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