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Suffolk County Soil Evaluations LLC

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Basic Soil & Septic Information

Septic systems, also referred to as Onsite Wastewater Treatment Systems (OWTS), serve the purpose of treating and disposing of wastewater right where it's generated, without relying on a centralized sewer system. On Long Island, OWTS are prevalent due to limited sewer system coverage, leading Suffolk County to establish regulatory codes addressing safety and environmental concerns. With various OWTS options available, consult your engineer to determine the best system for your property, which will in turn dictate the necessary soil evaluations.

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Why Test the Soil?

The soil conditions below the surface can greatly influence a property owner’s plans to develop their land as they desire. Knowing the conditions underground will allow both the owner and the relevant governance to know how the potential plans will influence the safety of the site itself, and the surrounding environment.

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Our Services

Black Soil

1

Percolation Testing

Percolation testing becomes essential when installing a shallower, eco-friendly alternative to traditional cesspools, especially the innovative nitrogen-reducing I/A systems. It involves simulating the conditions of an active septic system by saturating the soil and measuring the specific layer's water absorption rate.

2

SCDHS Borings

Suffolk County's Health Department requires soil borings for any septic-related construction project. These investigations aim to uncover the soil composition beneath the surface. Engineers rely on this data to design systems, ensuring they won't pose risks to people, property, or the environment. 

3

Groundwater Borings

Groundwater borings are crucial for projects susceptible to high water tables, including swimming pool installations. Some municipalities, like Smithtown, have defined regions where groundwater borings are a mandatory step for most construction projects.

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