Obtaining a Stormwater Permit

The Environmental Protection Agency has identified sedimentation from land disturbance activities and polluted runoff from land development and redevelopment as major sources of water pollution, impacting drinking water supplies, natural habitats, and recreational resources.

Any activity which will disturb 3,000 square feet or more of land or involve the movement of 100 cubic yards or more of soil is required to obtain a permit under the Natick Stormwater Management & Erosion Control Bylaw. There are two Stormwater Permit types:

Minor Permits: 

  • Any Land Disturbance greater than 3,000 square feet, but not exceeding 20,000 square feet.
  • The construction of a new Drainage Facility or alteration of an existing Drainage Facility greater than 3,000 square feet, but not exceeding 20,000 square feet.
  • The addition, on-Site redistribution, or export of greater than or equal to 100 cubic yards, but not exceeding 750 cubic yards of Soil.

Major Permits:

  • Any Land Disturbance greater than 20,000 square feet.
  • The construction of a new Drainage Facility or alteration of an existing Drainage Facility greater than 20,000 square feet.
  • The addition, on-Site redistribution, or export of more than 750 cubic yards of Soil. 

Stormwater Permit Process

  1. Review the information included on this page to determine what permit you will need. If you need assistance, call the Community & Economic Development office at 508-647-6452.
  2. Review the Stormwater Management & Erosion Control Bylaw and its Regulations.
  3. Submit one hard copy and one digital copy of the completed application to the Community & Economic Development office. Copies of the application must also be provided to the DPW and the Board of Health. Proof of delivery is required to be submitted with completed applications.
  4. Minor Permits are reviewed and approved/denied by staff.
  5. Major Permits are reviewed and approved/denied by the Natick Conservation Commission (NCC).
    • The NCC meets the 1st and 3rd Thursday of every month at 7 PM.
    • Major Permits require notice to abutters within 100 feet of the project. Proof of mailing is required to be submitted at the application's first public hearing. Major Permits also need to be advertised in the newspaper (the Community Development office will take care of this).
    • Attend one or more scheduled NCC meetings to present your application. Sometimes the NCC can make a decision in one night. Other times they may request additional information or want to conduct a site visit and will continue your application to a future date.
  6. Receive a decision. If a permit is issued, pay attention to any conditions you are required to abide by!

Design Guidelines

While reviewing applications, the Town will consider whether a project implements best practices in regards to handling stormwater. These stormwater standards or best practices are included in the MA Stormwater Handbook and Appendix A of the Natick Stormwater Regulations. The following are some best practices to utilize:

  • Environmentally sensitive site design
  • Minimizing impervious surfaces (driveways) and capturing as much stormwater on-site naturally (such as through vegetation)
  • Minimizing grading
  • Retaining as much natural vegetation as possible
  • Use of rain gardens, bioswales, rain barrels, green roofs, etc.  
  • Avoiding construction within the floodplain
  • Utilizing appropriate erosion and sedimentation tools during construction 

Click here to learn more about what the Town is doing in regards to stormwater.