WS 22: Approval of Pilot Study Report

Approval to show the appropriateness of a drinking water treatment process

MassDEP Drinking Water Program

The Details of WS 22: Approval of Pilot Study Report

What you need for WS 22: Approval of Pilot Study Report

This approval serves to protect the public health and welfare by ensuring that minimum drinking water requirements are met in the development of studies of drinking water treatment processes. It allows the applicant to demonstrate the appropriateness of a treatment process for meeting the minimum drinking water requirements. Legislative authority is stated in MGL Chapter 111, sections 160A et al. Regulatory authority is stated in 310 CMR 22.04 of the Drinking Water Regulations.

Public water suppliers or their representatives must apply if they want approval of a pilot study report on a treatment process or technology.

The following should be considered when applying for this approval:

  • The applicant must have applied for and received approval for WS 21, water treatment approval to conduct a pilot study.
  • If the water supplier or their representative apply for this permit as part of a facility modification it may also be necessary to apply water treatment permits, e.g. WS 23, 24, or 25.

Note: Approvals of this type may require MEPA review. Please carefully examine 301CMR 11.00, the MEPA regulations, to determine if your project exceeds the MEPA review thresholds, or for more information contact the MEPA Unit of the Executive Office of Environmental Affairs (100 Cambridge Street, Boston, MA 02202; 617-727- 5830). MassDEP cannot begin technical review of the application until the MEPA process has been completed, unless otherwise agreed to in writing. Copies of MEPA filings (with reference to any applicable Transmittal numbers) should be sent to the appropriate program offices in Boston and the MEPA Coordinator in the appropriate Regional Office.

Note: These additional requirements are intended to serve as a guide to the applicant. It does not necessarily include all additional requirements.

How to apply WS 22: Approval of Pilot Study Report

See details below.

Next steps for WS 22: Approval of Pilot Study Report

  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).

Contact for WS 22: Approval of Pilot Study Report

Address
MassDEP Boston
1 Winter Street, Boston, MA 02108

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