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Land DevelopmentEnvironmental engineers review and permit every subdivision plan and new subsurface sewage treatment system (SSTS) for commercial and residential use to ensure that there is adequate sewage disposal and drinking water. They perform field site visits throughout the construction phase to verify that the plans are being followed.

Read more about septic system repair, operation and maintenance.

On-Site Wastewater Treatment System (aka Septic System) and/or Well Applications

Regulations
Westchester County Health Department Rules and Regulations for the Design and Construction of Residential Subsurface Sewage Treatment System


Westchester County Sanitary Code


Guidelines


Forms for Septic and Wells


Requests for Inspections


Remediation


Change of Use

Realty Subdivision Applications

Regulations for Westchester County Sanitary Code:


Guidelines


Forms for Realty Subdivision

Record Searches
If you are only seeking information about complaints or recent violations about a septic system, then provide the street address and send a record request to foil-doh@westchestergov.com. Requests for the full septic system records are handled as follows:

  • Search requests for an approved septic system on a given property are made by completing the sketch request form. Print out and fax to (914) 864-7341. In order for the Department of perform a record search, the required information sited on the form must be provided. Please note that the majority of Municipalities have changed section, block and lot numbers; please contact the tax assessor's office to obtain this information.

Remember to provide a daytime phone number or email address, so we can call you with any questions. Note: If requested records are in our archives, retrieval can take up to 10 days. For further assistance, call (914) 864-7333.

Freedom of Information Officer (FOIL)
Westchester County Department of Health
145 Huguenot Street, 7th floor
New Rochelle, NY 10801

They may also be faxed to: (914) 813-5014.

Well Decommissioning/Abandonment Procedure

Septic System Abandonment Procedure

 

Health Department submissions contact information:

PhoneSubmissions for these constructions
(914) 864-7333
  • Realty subdivisions
  • Septic systems
  • Private drinking water wells
(914) 813-5149
  • Backflow prevention devices
  • Industrial and commercial air pollution sources and control equipment
  • Solid waste facilities
(914) 864-7332
  • Water and sewer main extensions
  • All other public drinking water and wastewater facilities

 

Other Links

NYSDOH Appendix 5-B: Standards for Water Wells and Supplemental Information

Appendix 5-D: Special Requirements for Wells Serving Public Water Systems

NYSDEC Well Driller Registration

NYSDOH Appendix 75-A Wastewater Treatment Standards - Individual Household Systems