WP 61a, 61b, 75a, 75b: Approval of Title 5 Alternative Technologies

MassDEP must approve alternative septic systems for use in Massachusetts. These approvals ensure that alternative systems work as well as or better than a conventional system.
For WP 75b only: The renewal application must be submitted at least 180 days prior to the expiration date of the existing approval or certification.

Septic Systems / Title 5 Contact Information

The Details

What you need

The purpose of these approvals is to ensure that alternative Title 5 technologies, which have substitute or alternative components for one or more elements of a conventional on-site system, can provide the same or a higher degree of environmental and public health protection as a conventional system.

WP 61a establishes an approval process for MassDEP review of alternative technologies proposed for remedial use. 

WP 61b establishes a three-tiered approval process for MassDEP review of alternative technologies for piloting, provisional approval, or general use. 

WP 75a establishes a modification process for existing approvals or certifications.

WP 75b establishes a renewal process for existing approvals or certifications that contain an expiration date.

You must apply for these approvals if any of the following categories apply:

WP 61a and 61b: Developers of alternative technologies seeking approval for use of a technology that will treat and discharge to the ground sanitary wastewater up to 10,000 gallons per day.

WP 75a: Developers of alternative technologies that have a MassDEP Title 5 approval or certification, and who wish to have the approval or certification modified.

WP 75b: Developers of alternative technologies that have a MassDEP Title 5 approval or certification with an expiration date, and who wish to have the approval or certification renewed.

How to apply

See details in Step 5, below.

Next steps

  1. Review the Instructions

  2. Complete the Application Form

    You may fill out and 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 your completed, signed application and your original transmittal form to:

    Department of Environmental Protection
    Bureau of Resource Protection
    Wastewater Management Program
    One Winter Street. 5th Floor
    Boston, MA 02108

Contact

Address

1 Winter Street, 5th floor, Boston, MA 02108

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