WP 70, 70a: Alternative Design Flow for Title 5 Systems & Non-Sanitary Wastewater Discharges

Approval of alternative design flow under Title 5, or for discharge of small quantities of non-sanitary wastewater to Title 5 systems.

Septic Systems / Title 5 Contact Information

Phone

Title 5 Hotline: 617-292-5673

Online

The Details

What you need

This approval is necessary to allow for a determination of an alternative Title 5 design flow (BRP WP 70) or for the discharge of small quantities of non-sanitary wastewater to Title 5 systems (BRP WP 70a).

You must apply for this approval if you are proposing to:

  1. use an alternative Title 5 design flow (310 CMR 15.203(6))
  2. discharge non-sanitary wastewater to a Title 5 system.

How to file

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

    You may fill out an save the Microsoft Word form on your computer. The PDF version has to be printed out and completed by hand.

  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 page 6 of the fee schedule below.

  5. Mail your Application and Fee Payment

    Submit your application fee payment and a copy of your transmittal form to:

    Department of Environmental Protection
    PO Box 4062
    Boston, MA 02211

    Submit 2 copies of your completed, signed application and your original transmittal form to:

    Department of Environmental Protection
    Title 5 Program  
    1 Winter Street, 5th Floor
    Boston, MA 02108

Contact

Phone

Title 5 Hotline: 617-292-5673

Online

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