Norwalk Tank CoSeptic service company in Joliet, IL

Norwalk Tank Co is ranked #45 of 141 septic service companies in Joliet by CR Score, with 54 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.

Norwalk Tank Co is open Monday to Friday. Its listed hours are Monday to Friday, 7 AM – 4 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Joliet and 11 towns within 25 miles: Lockport, Crest Hill, New Lenox, Homer Glen, Mokena, Romeoville, Goodings Grove, Lemont, Manhattan, Shorewood and Orland Hills. 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.

Norwalk Tank Co has a rating of 4.0 from 30 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 Norwalk Tank Co on (815) 726-3351. The business is at 2121 Maple Rd, Joliet, IL 60432. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.