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Septic Demonstration Program for Single Family Homeowners

Mastic Beach Septic Lottery Winner:

The winner of the Lottery for Mastic Beach Village residents conducted on August 18, 2015 at the Mastic Beach Village Hall was:

Victor Viola

Many thanks to everyone who applied for the Suffolk County Septic Demonstration Program!

Key Dates:

Application for Mastic Beach Village residents (see link below) are due: 4:30 pm on July 31, 2015 (extended from 07/17/15)

Email questions and application to:

For those who wish to submit the application by mail, please use the following address:

Suffolk County Department of Public Works
ATTN: Septic Demonstration Program Application
335 Yaphank Ave
Yaphank, NY 11980


On Long Island, economic prosperity, public health and safety, and our quality of life rely upon the integrity of water that surrounds us. While all sources of water pollution have an impact on water quality, nitrogen pollution from failing septic systems has clearly emerged as the most widespread and least effectively addressed of the region’s growing cocktail of water pollutants. Suffolk County, with a population larger than 11 states and a region that derives its drinking water from the ground, must pay particular attention to the 360,000 septic/cesspools in Suffolk, accounting for 74% of the homes.

Suffolk County is fully committed to its stated mission to reduce nitrogen loading to our surface and ground water from all sources. Excessive nitrogen loading from septic systems and cesspools are the most substantial sources of nitrogen in our waters. Suffolk County is preparing for the installation of new, improved onsite septic systems to reduce nitrogen loadings from sanitary waste.


Suffolk County Government

H. Lee Dennison Bldg

100 Veterans Memorial Hwy
P.O. Box 6100
Hauppauge, NY 11788

Riverhead County Center

County Road 51
Riverhead, NY 11901