Suffolk County, NY · Suffolk County
Subsurface Investigation and Dewatering Permit Application
This application is for applicants seeking a Suffolk County permit for soil borings, test holes, monitoring wells, or dewatering work.
At a glance
- Issued by
- City of Suffolk County · Suffolk County, Suffolk County, New York
- Notarization
- Not required: file this form without a notary.
- Official source
- suffolkcountyny.gov
- Blank form
- Download the PDF
- Catalogued
- Machine-readable
- JSON record · about the forms index
What this form is
Use this Suffolk County Department of Public Works application to request a permit for subsurface investigations or dewatering. The package lists required plans, insurance documents, and other supporting information; it says flow rates under 45 gallons per minute do not require a dewatering permit. Applicants provide contact, contractor, project, operations, and work-location details, and agree to the permittee responsibilities.
Who needs it
Applicants planning soil borings, test holes, monitoring wells, or dewatering work in a Suffolk County right-of-way should use this application.
How to submit it
Return the form to Suffolk County DPW, Traffic and Permits, 335 Yaphank Ave, Yaphank, NY 11980, or email [email protected].
About notarization
This document is signed and dated without a notary; the application asks for supporting plans and insurance documents, but does not require a sworn or notarized attachment.
How to submit this form
- 1
Download the Application
Download the Suffolk County subsurface investigation and dewatering permit package.
- 2
Complete the Application
Enter applicant and contractor contact details, project information, the work description, and proposed work locations.
- 3
Gather Supporting Documents
Include the plans or sketches and applicable details, traffic-control plans, insurance proof, and other items listed in the package.
- 4
Submit to Suffolk County
Return the form to Suffolk County DPW, Traffic and Permits, by mail at the listed address or by email.
Frequently asked questions
- Do I need a notary for the Subsurface Investigation and Dewatering Permit Application?
- No. The application has a signature and date line but no notary block. It requests supporting plans and insurance documents, without requiring a sworn or notarized attachment.
- How do I submit the Subsurface Investigation and Dewatering Permit Application?
- Return the form to Suffolk County DPW, Traffic and Permits, at 335 Yaphank Ave, Yaphank, NY 11980, or email it to [email protected].
- What work does this permit application cover?
- The application covers test pits, soil borings, monitoring wells, and dewatering. The package says dewatering flows under 45 gallons per minute do not require a dewatering permit.
- What supporting materials does the package request?
- The requirements include a plan or sketch showing work locations and, when applicable, details and traffic-control plans. Applicants must also provide proof of general liability, workers’ compensation, and disability insurance coverage.