Modern SewerSeptic service company in Wausau, WI

Modern Sewer is ranked #2 of 9 septic service companies in Wausau by CR Score, with 58 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

Modern Sewer is open Monday to Friday. Its listed hours are Monday to Friday, open 24 hours. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Wausau and 5 towns within 25 miles: Rib Mountain, Rothschild, Weston, Kronenwetter and Merrill. The list is based on the business's location and the usual service radius for septic and sewer service. Confirm your address is covered when you call.

Modern Sewer has a rating of 5.0 from 14 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call Modern Sewer on (715) 842-7477. The business is at 745 Jackson St, Wausau, WI 54403. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.