Grease Masters

Certified septic pumping company · St. Charles, MO · Jefferson County

Certification status

Listed in the Missouri DHSS registered OWTS installer list as of 2026-07-23 — verify current status at the official source

Certification categories

Installer (Level Basic)

License / registration #

32409

Location

St. Charles, MO

Phone (from public registry)

(636) 916-3115

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

What septic pumping certification means

Missouri registers onsite wastewater treatment system (OWTS) installers through the Department of Health & Senior Services; septage hauling and permits are handled with county/local authorities.

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