Septic Services in Wisconsin, by city

306 septic service companies in 17 cities. Every city page ranks the businesses in it by rating and review count, with featured placements marked.

Hiring a septic service company across Wisconsin starts with finding a business that serves your address and handles the work you need. This directory has 306 listings, with 17 city pages and 127 small-town pages. The supplied counts show how many listings appear on individual city pages. They do not establish which part of Wisconsin has the most city pages. Green Bay has 17 listings, Janesville has 16, and Wausau has 12. Chilton and New Richmond each have 10. Those counts describe directory coverage and give you places to begin comparing.

The service information helps you narrow that comparison. Septic pumping is confirmed on 96 business websites, while 81 confirm septic inspections and 71 confirm new system installs. Camera and jetting appears on 60, and drain field work appears on 20. Other listed services include aerobic systems, risers and lids, grease traps, and portable toilets. Emergency service is confirmed on 100 websites. Each count reflects what businesses state on their own sites. A missing confirmation leaves a question to ask when you call.

Start that call with your location, the work you want, and any problem you have noticed. Say if you are seeking pumping, an inspection, installation work, or help identifying a problem. Ask the company to confirm service at your address and explain what its proposed work covers. If you need emergency service, ask about availability directly. Request a written quote that identifies included work and possible exclusions. Read the listing's service grid alongside the company's answers, and confirm any detail that matters to your decision.

All cities

Smaller towns

These towns have fewer than 3 listed septic service companies and are too far from a larger city to share its page.

Frequently asked questions

How many septic service companies are listed in Wisconsin?

306 at the last update on 2026-11-10, across 17 cities. Cities with fewer than 3 listed businesses are folded into the nearest city page.

Which Wisconsin city has the most septic service companies?

Green Bay, with 17 listed. Janesville is next with 16.

Can I be listed here?

If you run a septic service company business in Wisconsin and are not listed, use the claim form and we will check the details and add you. Basic listings are free.