Mathew J Callahan

Certified septic pumping company · West Greenwich, RI

Certification status

Listed in the Rhode Island DEM licensed OWTS installers, designers, and septage transporters as of 2026-07-23 — verify current status at the official source

Certification categories

Installer

License / registration #

L1930

Location

A&C Site and Septic Contractors 330 Henry Brown Road, West Greenwich, RI, 02817

Phone (from public registry)

(401) 639-3967

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

What septic pumping certification means

Rhode Island DEM licenses onsite wastewater treatment system (OWTS/septic) installers and designers (including Class IV soil evaluators), and separately permits septage waste transporters, through its Office of Water Resources.