WM 16: Treatment Works Plan Approval for New/Modified Facility associated with Surface Water (NPDES) Individual Permits

This application is for a plan approval for any major physical modification (which does not require a change to the permit issued to the facility) to a treatment works with a NPDES/state surface-water discharge permit.

Treatment Works Plan Approval Contacts

EEA ePLACE Help Desk

Phone

Open M-F 7:30 am-5:00 pm, with the exception of all Commonwealth & Federally observed holidays.

The Details   of WM 16: Treatment Works Plan Approval for New/Modified Facility associated with Surface Water (NPDES) Individual Permits

What you need   for WM 16: Treatment Works Plan Approval for New/Modified Facility associated with Surface Water (NPDES) Individual Permits

This plan approval serves to protect the public health, welfare and the environment through the control of pollutant discharges to surface water. It is required for any major physical modification to a treatment works which does not require a modification to the permit issued to the facility.

Use this permit if you have a treatment works with a surface water discharge (314 CMR 3.00).

You may use this category to modify the treatment works, provided no modifications to the existing permit are required.

Fees   for WM 16: Treatment Works Plan Approval for New/Modified Facility associated with Surface Water (NPDES) Individual Permits

How to apply   WM 16: Treatment Works Plan Approval for New/Modified Facility associated with Surface Water (NPDES) Individual Permits

File online via the EEA ePlace Portal. See details below.

Important Note: Even when applying online, you will still need to complete a conventional Application Form and upload it as an attachment during the online filing process.

Next steps   for WM 16: Treatment Works Plan Approval for New/Modified Facility associated with Surface Water (NPDES) Individual Permits

  1. Review the Instructions

  2. Complete the Application Form and Certification Statement

    Please fill out and save either the Microsoft Word or the PDF form on your computer.

    Important Note: Even when applying online, you will still need to complete a conventional Application Form and upload it as an attachment during the online filing process. Please do not mail in these forms.

  3. Claim your Authorization

    1. If you have an existing NDPES permit, you will first need to do one important step: Claim your Authorization. This process will link your Plan Approval (WM 16) to your existing permit and will verify your identity. 
      You may fill out and save the Microsoft Word or Adobe Acrobat PDF "NPDES Claim Authorization Form" on your computer. This will also be uploaded as an attachment during the Claim process. 
    2. Claim Online via the EEA ePlace Portal.
      Note: if you are a first-time user, you will need to begin by creating an account.

      See the ePlace account setup instructions and Comprehensive User Manual below. Once MassDEP has approved your claim, proceed to step 4. 
  4. Submit your Application and Fee Payment

    1. File online via the EEA ePlace Portal.
    2. You will have the option to pay online by credit card or automated clearing house (ACH) or pay by mail. If you select pay-by-mail option, instructions on how to do so will be provided when you submit your online application.

Contact   for WM 16: Treatment Works Plan Approval for New/Modified Facility associated with Surface Water (NPDES) Individual Permits

Phone

Open M-F 7:30 am-5:00 pm, with the exception of all Commonwealth & Federally observed holidays.

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