Trennan Marak

Certified septic pumping company · Swisher, IA · Johnson County

Certification status

Listed in the Iowa DNR Certified Onsite (Time-of-Transfer) Inspector List as of 2026-07-23 — verify current status at the official source

Certification categories

Inspector

License / registration #

14520

Location

1298 Marak Rd, Swisher, IA, 52338

Phone (from public registry)

(319) 213-2460

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

What septic pumping certification means

Iowa certifies the private inspectors who evaluate onsite wastewater (septic) systems - including the point-of-sale 'time of transfer' inspection - through the Department of Natural Resources.

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