Septic companies in Ronkonkoma, NY
5 septic companies on record in Ronkonkoma, Suffolk County.
- Companies
- 5
- County
- Suffolk
What the ground in Ronkonkoma is like
The USDA soil survey rates every mapped parcel for its suitability as a septic drain field. Across Ronkonkoma's 8.1 square miles, 100.0% of the rated ground is classed "Very limited", meaning restrictions severe enough that a conventional field is often unsuitable and an engineered system may be required.
The limiting features the survey records most often here:
The most common soil series underfoot: Riverhead, Plymouth.
This is survey data for the area, not a substitute for a site evaluation on your own lot. A soil scientist or your county health department tests the actual parcel, and the result can differ from the map.
USDA NRCS SSURGO, ENG Septic Tank Absorption Fields · 17 map units · read 2026-08-30
Septic companies in Ronkonkoma
Ordered by verification score. The score counts records we could check and is not a judgment about workmanship. None of these has been checked against a state roster yet, so every licence here reads as unverified.
- 30Clear River EnvironmentalLicence unverified+16316298246
- 20The Cesspool and Drain ProLicence unverified+16316512790
- 20AAA Dependable Cesspool, Sewer & Drain Service Inc.Licence unverified+16317387100
- 20Bill Mallins Cesspool Service Corp.Licence unverified+16316298248
- 10A-1 Sewer & Drain Cleaning corpLicence unverified+16319685060
Nearby
All septic companies in New York · Suffolk County
How these are ranked
By verification score, out of 100, across six checks published in full on how we rank. No company paid to appear here and none can pay to rank higher.