Use this approval for upgrades of large septic systems and review for consistency with Title 5.
- This page, WP 66a, 66b: Title 5 Large System Upgrades, is offered by
- Massachusetts Department of Environmental Protection
WP 66a, 66b: Title 5 Large System Upgrades
Contacts
Septic Systems / Title 5 Contact Information
EEA ePLACE Help Desk
Phone
ePLACE Help Desk
Call EEA ePLACE Help Desk, ePLACE Help Desk at 844-733-7522
Open M-F 7:30 am-5:00 pm, with the exception of all Commonwealth & Federally observed holidays.
The Details
What you need
These permits ensure that large septic systems perform appropriately.
You must apply for these approvals:
- If you want to upgrade a system with a design flow of more than 10,000 but less than 15,000 gallons per day (WP 66a)
- If MassDEP determines that a system or proposed system requires agency review to ensure consistency with Title 5 (WP 66b)
Fees
How to apply
File online via the EEA ePlace Portal. See details below.
Next steps
-
Review the Instructions
Guidance on how to prepare your certification and file it online, as follows:
Open DOCX file, 181.43 KB, Instructions: BRP WP 66a/b, Large System Expansion or Upgrade (English, DOCX 181.43 KB)Open PDF file, 139.11 KB, Instructions: BRP WP 66a/b, Large System Expansion or Upgrade (English, PDF 139.11 KB)Open PDF file, 2.38 MB, WP66a, 66b ePLACE step-by-step instructions (English, PDF 2.38 MB)Complete the Application Form
Please fill out and save the Microsoft Word or Acrobat Adobe 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.
Open DOCX file, 88.23 KB, BRP WP 66a/b, Large System Expansion or Upgrade (English, DOCX 88.23 KB)Open PDF file, 108.79 KB, BRP WP 66a/b: Large System Expansion or Upgrade (English, PDF 108.79 KB)Submit your Application and Fee Payment
- File online via the EEA ePlace Portal.
- For additional guidance on navigating the EEA ePLACE Portal, please follow this link - EEA ePLACE Portal Instruction Documents
- You will have the option to pay online by credit card or automated clearing house (ACH) or pay by mail. If you select the pay-by-mail option, instructions on how to do so will be provided when you submit your online application.
Contact
Phone
ePLACE Help Desk Call EEA ePLACE Help Desk, ePLACE Help Desk at 844-733-7522Open M-F 7:30 am-5:00 pm, with the exception of all Commonwealth & Federally observed holidays.
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