Certified septic pumping companies in Rock County, WI

✓ 4 companies based in Rock County, from the Wisconsin DNR licensed septage hauling businesses (retrieved 2026-07-23). Companies based in neighboring counties often serve here too — see the full Wisconsin list.

Company	Location	Certifications	License #
Beloit Septic Service, Llc	Beloit, WI	Septage Hauler	557
Collins Sanitary, Llc	Clinton, WI	Septage Hauler	978
Fanning Excavating, Inc.	Janesville, WI	Septage Hauler	442
Josh S. Bergendal Septic Service, Llc	Edgerton, WI	Septage Hauler	789

FAQs

How many certified septic pumping companies are in Rock County?

4 companies in the Wisconsin DNR licensed septage hauling businesses are based in Rock County as of 2026-07-23. Companies based elsewhere in Wisconsin also commonly serve the county.

Get free septic pumping quotes in Rock County

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