WM 16 and WP 68: Treatment Works Plan Approval

Use this permit for any major change to a treatment facility which does not require a change to the permit issued to the facility.

Treatment Works Plan Approval Contacts

Phone

Northeast Region 978-694-3236
Southeast Region 508-946-2757
Central Region 508-767-2823
Western Region 413-755-2218

The Details

What you need

This plan approval serves to protect the public health, welfare and the environment through the control of pollutant discharges to groundwater or surface water or the use of reclaimed 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. Only those treatment works that have a non-industrial discharge may apply for this plan approval.

If you have a treatment works meeting one of these criteria:

  • an active, existing ground water, surface water or reclaimed water permit whose treatment works produces a non-industrial groundwater discharge (314 CMR 5.00)
  • a surface water discharge (314 CMR 3.00)
  • a non-industrial surface water discharge (314 CMR 3.00)
  • reclaimed water (314 CMR 20.00)

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

Non-industrial discharges are those discharges not described in 310 CMR 4.10(5). Sanitary discharges are almost always considered non-industrial.

How to apply

See details in Step 5, below.

Next steps

  1. Review the Instructions

    Guidance on how to prepare your application, including a completeness checklist.

  2. Complete the Application Form and Certification Statement

  3. Obtain a Transmittal Form and Number

    A unique Transmittal Number is needed for each application you submit to MassDEP.

  4. Look up the Permit Application Fee

    See pages 40 or 63 of the fee schedule below.

  5. Mail your Application and Fee Payment

    Submit the Fee Transmittal Form and the fee to:

    Department of Environmental Protection
    P.O. Box 4062
    Boston, MA 02211

    Send a copy of the transmittal form, application form, certification form, and engineering report to the Wastewater Management Program at the appropriate MassDEP Regional Office (see listing below). Please include a copy of the entire application package on compact disc with your application.

     

Contact

Phone

Northeast Region 978-694-3236
Southeast Region 508-946-2757
Central Region 508-767-2823
Western Region 413-755-2218

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