Great River Cesspool ServicesSeptic service company in Brentwood, NY

Great River Cesspool Services is ranked #35 of 158 septic service companies in Brentwood by CR Score, with 57 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.

Great River Cesspool Services is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

Serves Brentwood and 12 towns within 25 miles: Ronkonkoma, Holbrook, Lake Ronkonkoma, Lake Grove, Centereach, Holtsville, Nesconset, Farmingville, Bohemia, Selden, Saint James and Medford. 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.

Great River Cesspool Services has a rating of 4.0 from 4 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.