Smithtown Water District

Responsibilities & Services

The Smithtown Water District serves portions of Smithtown, Kings Park, Commack, and Hauppauge. The district is governed by a Board of Water Commissioners, which meets at every regularly scheduled Town Board meeting. Water District employees are on call 24/7.

Water Quality Video

IMPORTANT INFORMATION ABOUT YOUR DRINKING WATERDeferral Issued for PFOA, PFOS and 1,4-Dioxane at Suffolk County Water Authority (SCWA)



Please read our NEW Water Matters Newsletter

Watermatters Vol.4 No. 2 Summer Newsletter(PDF)

Watermatters Vol. 4 No. 1 Spring Newsletter(PDF)


Water Rates

Effective January 1, 2021 water rates are $0.018320 per each cubic foot of water usage, and a quarterly base fee of $26.39.


As of January 1, 2021, all bills will include a $20 Water Quality Treatment Charge.  Learn more about the Water Quality Treatment Charge HERE.


Water Quality

Water quality is regulated by the United States Environmental Protection Agency, the New York State Health Department, and the Suffolk County Health Department.

A consumer confidence report is available to our customers annually by May 31st.

Water Bill Notices

  • Bills more than 60 days outstanding are subject to a 10% penalty.
  • Unpaid balances become tax liens on October 15th of every year.