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WP 64a establishes a process for MassDEP review of proposed installation of tight tanks for site-specific use. Tight tanks are used only to eliminate a failed on-site system when there is no other feasible alternative to upgrade the system in accordance with Title 5, and a sewer connection is not feasible.
See details in Step 5, below.
Guidance on how to prepare your application, including a completeness checklist.
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.
A unique Transmittal Number is needed for each application you submit to MassDEP.
See page 6 of the fee schedule below.
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 the Title 5 Permitting Program in the appropriate MassDEP Regional Office (see list below).