WS 34: Water Treatment - Chemical Addition Retrofit of Water Systems Serving Less than 3,300 People

Approval for chemical addition retrofit of water systems

MassDEP Drinking Water Program

The Details

What you need

This permit serves to protect the public's health and welfare by insuring that minimum drinking water requirements are met in the chemical addition retrofit of water systems. It consists of an approval for chemical addition retrofit of water systems, that serve 3,300 people or less. Legislative authority is stated in stated in MGL Chapter 111, section 160A. Regulatory authority is stated in 310 CMR 22.04 of the Drinking Water Regulations.

Public water suppliers or their representatives who want approval for the chemical addition retrofit of their water system must apply.

If the water supplier or their representatives apply for this permit it may also be necessary for them to apply for other MassDEP water treatment permits, e.g. WS 23 or WS 24Note: These additional requirements are intended to serve as a guide to the applicant. It does not necessarily include all additional requirements.

How to apply

See details 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 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. Lookup the Permit Application Fee

  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 the appropriate MassDEP Regional Office (see listing below).


MassDEP Boston
1 Winter Street, Boston, MA 02108


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