Certified septic pumping companies in Johnson County, IA

✓ 6 companies based in Johnson County, from the Iowa DNR Certified Onsite (Time-of-Transfer) Inspector List (retrieved 2026-07-23). Companies based in neighboring counties often serve here too — see the full Iowa list.

Company	Location	Certifications	License #
Glenwyn Mast	Kalona, IA	Inspector	14200
James Lacina	Iowa City, IA	Inspector	12621
Mike Netser	Iowa City, IA	Inspector	9230
Steve Yakish	Solon, IA	Inspector	8948
Trennan Marak	Swisher, IA	Inspector	14520
Tyler Yakish	Solon, IA	Inspector	12982

FAQs

How many certified septic pumping companies are in Johnson County?

6 companies in the Iowa DNR Certified Onsite (Time-of-Transfer) Inspector List are based in Johnson County as of 2026-07-23. Companies based elsewhere in Iowa also commonly serve the county.

Get free septic pumping quotes in Johnson County

Tell us what you need — we'll connect you with state-certified companies serving your area. No obligation.