Title Wastewater Systems

We manufacture our concrete tanks in Bay Shore, Long Island. We have been at this location since 1962. We employ over 50 people and provide good paying manufacturing jobs that pay full benefits. We live and work on Long Island just like you do. We know you home is your biggest investment and your wastewater system is one of the most expensive systems in your home. Protect your investment in your home with a concrete tank that will last longer than your home and will require the least maintenance. Choose the Norweco Singulair TNT.

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Norweco Singulair TNT & Hydro-Kinetic were two of the first systems to be approved by Suffolk County for meeting Nitrogen reduction standards.

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Our tanks are manufactured and certified water tight. Our concrete plant is NYSDOT approved plant and we are also proud members and certified by PCANY and NPCA. We invite you to take a tour of our plant to see the quality that goes into our products.

CLICK HERE to learn more about the benefits of using our high quality tanks for your wastewater system.

In addition to concrete tanks, we offer the Singular Green aerobic wastewater treatment system that incorporates the usage of a durable, watertight polyethylene tank.

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CLICK HERE to learn more about the benefits of using high quality polythethylene tanks for your wastewater system.

Click HERE to learn how Homeowners may be eligible to upgrade their septic systems through the Septic Upgrade Incentive Program.

Latest Suffolk County Rebate Programs

As a homeowner in Suffolk County you may be eligible for any one or all of the following grant or rebate programs that may be able to pay for the entire cost of upgrading your septic system:

  1. Suffolk County Septic Improvement Program (SIP) - Grants typically pay up to $10,000 of the cost but could be more. Go to the www.reclaimourwater.info web site for the latest information or email

  2. NYS Septic Improvement Grants - Grants for up to an additional $10,000 are administered through the Suffolk County SIP program. Send an email to for more information on the state grant fund availability

  3. Low interest rate loans are available for septic replacement with zero application fees and zero closing costs. Go to cdcli.org/septicloanprogram/ for more information.

  4. Town Rebate programs are available for the following towns and can be used in conjunction with the County and State programs:

    1. East Hampton - A rebate of up to $16,000 for residents if you meet eligibility criteria. Go to ehamptonny.gov/587/Details-and-Forms#_blank for more information

    2. Southampton - A rebate of up to $20,000 is available if you meet eligibility criteria. Go to www.southamptontownny.gov/1083/IA-OWTS-Rebate-Program#_blank for more information

    3. Shelter Island - A rebate is available that can pay for the entire cost of the system if you meet certain eligibility requirements. Go to www.shelterislandtown.us/forms/ to find out more information.

Please call us at Roman Stone Systems if you have any questions and we will help you sort through your options.

What Can We Do For You? Please call us at #631-336-2420 x149 to learn more or email us at or use our Contact Form.