Why Protect Wetlands?

What are Wetlands?

Wetlands are land areas that contain surface water all or part of the time, as well as some land areas bordering these water bodies. The main types of wetlands are marshes, swamps, bogs, and fens. Although many wetland areas occur in and around permanent bodies of water, some wetlands, such as vernal pools, are only wet during certain times of the year.

Read more about different types of wetlands here.

Wetlands Diagram
Diagram modified from Environment Canada (2002).

Where are the Wetlands in Brockton?

Brockton has wetlands in and around its ponds and along its rivers and streams. There are also wetlands in isolated areas that still flood at certain times of the year. Some wetlands
are found in the City’s Conservation Areas, but the properties of some homeowners and businesses contain wetland areas as well.

Wetland areas are not always large or picturesque, but they still perform valuable functions.

Columbia Gas 762
Stream and boulders
Whitman Easement June 2019 102
Stone Farm 4-10-18 001

You can explore a map of approximate wetlands locations using MassGIS’s Online Mapping Tool, OLIVER. To find the wetlands maps in this tool, first type in an address or just “Brockton” into the “Search for a location” bar at the top of the screen. Then click on the “Search data layers” bar in the top right and type “DEP Wetlands” to show the list of wetlands layers that you can add to the map as Active Data Layers.

Please note that these maps only estimate the boundaries of wetlands in an area and should be used for informational purposes only. Actual wetland boundaries on or near your property must be located and marked in the field by a botanist or wetland scientist prior to any work.

Example Map of Oliver

Why are Wetlands Important?

Wetlands act like natural sponges that store and slowly release water, which replenishes the groundwater supply and provides erosion and floodwater control. Wetland plants and soils filter pollutants from the water as it passes through. Wetlands also provide valuable wildlife habitat and support commercial fishing and recreation opportunities.

Read about more about the functions and services of wetlands here.

The services provided by wetlands can even contribute to local and national economies.
One estimate of the dollar value of wetlands worldwide is $14.9 trillion.
Check out some examples of economic benefits of wetlands here.

Ecosystem Services Provided by Wetlands
Diagram from Booth and Shock (2016) Environmental Perspectives Vol. 3.

How are Wetlands Threatened?

The U.S. has lost approximately half of its original wetlands area due to the urban and agricultural development that followed European settlement in the 1600s. Wetlands loss and degradation continues today and further decreases the ability of wetlands to function.

  • Filling, draining, dredging, and paving reduces wetland areas and limits their floodwater storage potential.
  • Pollution from sediment, fertilizers, pesticides, sewage, and heavy metals can overwhelm the filtration capacities of wetlands.
  • Removal of trees and plants, animal grazing, and introduction of invasive species disrupt wetland communities.

Read more about these threats and how you can participate in wetlands protection here.

Wetland Losses in the United States 1780's to 1980's
Map data from U.S. Department of the Interior, Fish and Wildlife Service (1990).

Wetland Regulations

What Laws Protect Wetlands?

The Massachusetts Wetlands Protection Act (General Laws Chapter 131, §40; the Act) protects important water-related lands, such as wetlands, floodplains, riverfront areas, and
other areas, from destruction or alteration. These important lands are called “wetlands resource areas.”

Regulations for the Act (310 CMR 10.00), and related guidance and policy documents, are issued by the Massachusetts Department of Environmental Protection (MA DEP).

Brockton does not currently have a local wetlands ordinance.

What Areas are Protected?

The most commonly regulated wetlands resource areas are bordering vegetated wetlands (BVWs), which are wetlands that share a border with a river, stream, pond, or lake. BVWs are identified by the presence of abundant wetland plants, by hydrology (water levels and movement), or by soil type. Typical BVWs in Brockton are wooded swamps (forested wetlands) and marshes (wet meadows).

In addition to BVWs, the Act also covers floodplains, banks, vernal pools, land under lakes and ponds, and riverfront area (land under or within 25 feet of rivers and streams that flow year round). You can find technical definitions of these terms in the Act and its accompanying Regulations.

The Act also regulates work in the Buffer Zone, which is the area of land within 100 feet of BVWs and banks. Activities in a Buffer Zone could have an impact on the nearby wetland, depending on the type and location of the work and the wetland, so even small projects in a Buffer Zone still require review by the Conservation Commission and/or the Conservation Agent.

Wetland Resource Areas

What Activities are Regulated?

The Act regulates activities that will “remove, fill, dredge, or alter” wetlands or their Buffer Zones.
Regulated activities include:

  • Dumping leaves, brush, grass, or debris
  • Cutting trees or shrubs
  • Reconstructing or expanding lawns
  • New buildings or additions
  • Installing a septic system
  • Grading, excavating, or filling
  • Changing storm water discharge
  • Polluting wetlands or waterways

What to Do When Planning a Project?

  1. Determine if your project will possibly occur within a wetland or Buffer Zone. You can check this using MassGIS’s Online Mapping Tool, OLIVER, or contact the Conservation Agent for assistance. Actual wetland boundaries must be located and marked in the field.
  2. Contact the Conservation Agent with questions to determine if a permit is needed for your project. You may need to arrange a site visit with the Agent. Depending on the type and size of the project, you may be asked to submit a written letter to the Conservation Commission or to file a permit application.
  3. If required, complete the appropriate permit application, which can be found on the Applications & Forms section.
  4. Attend a public hearing at a Conservation Commission meeting.
  5. Get a permit before starting work.

Applications & Forms

Activities that will alter or disturb land within a wetlands resource area or 100-foot buffer zone require a permit or determination from the Conservation Commission (see our Wetlands Regulations section for details).

The list below describes the type of application you may need to submit to the Conservation Commission for work within a wetland resource area or buffer zone.
Please contact the Conservation Agent if you have questions about submitting an application.

  • Notice of Intent - must be filed when proposed activities will either alter or disturb a wetland resource area or a wetland resource area buffer zone. Abutters must be notified when submitting a Notice of Intent application to
    the Commission. This application also requires submission of civil plans from a Professional Engineer and/or Professional Land Surveyor.
  • Request for Determination of Applicability - may be filed if the applicant believes the proposed activities will not have an impact on a wetland resource area.
  • Abbreviated Notice of Resource Area Delineation - may be filed when an applicant wants to confirm the boundaries of a wetland resource area.

Please see our Filing Information & Regulations for additional instructions on how to submit your application to the Conservation Commission and how to notify abutters.

Conservation Areas

The Brockton Conservation Commission and the Wildlands Trust group manage several Conservation Areas in Brockton. These Conservation Areas play a vital role in preserving the City’s remaining wetland resources, and some offer passive recreational opportunities as well.

Conservation Areas are properties specifically designated for natural resource preservation. Conservation Areas may contain wetlands; however, not all wetland areas in Brockton are Conservation Areas.

Regulations for Use of Conservation Land

Brockton Audubon Preserve (Pleasant Street and West Elm Street Ext)

Audubon Preserve
Brockton Audubon Preserve (Pleasant Street and West Elm Street Ext)



        Brockton Audubon Preserve    Brockton Audubon Preserve    Brockton Audubon Preserve

The Brockton Audubon Preserve is located between Pleasant Street and West Elm Street Ext on the west side of Brockton. The Preserve contains multiple forested wetland areas connected by streams. The Preserve is also home to two vernal pools certified by the Natural Heritage & Endangered Species Program.

The northeast portion of the Preserve, behind the Hancock School property, features a 20-foot high glacial erratic—a large boulder deposited by a retreating glacier over 10,000 years ago.

In 2012, Wildlands Trust acquired this 125-acre preserve from the Brockton Audubon Society and rehabilitated 1.5 miles of trails and boardwalks. A small gravel parking area is located off of Pleasant St.

Stone Farm (Pearl Street, Torrey Street, and West Elm Street Ext)

Stone Farm Sign
Stone Farm (Pearl Street, Torrey Street, and West Elm Street Ext)



Stone Farm is a 104-acre conservation area between Pearl Street, Torrey Street, and West Elm Street Ext on the west side of Brockton. This area is home to several forested wetland areas and hydrological connections to Bigney Pond, as well as two vernal pools certified by the Natural Heritage & Endangered Species Program.

Stone Farm, along with the Brockton Audubon Preserve and the Dorchester Brook Wildlife Management Area in Easton, forms an important 300-acre wildlife corridor for both terrestrial animals and birds.

In 2018, Wildlands Trust reestablished 2.5 miles of hiking trails at Stone Farm and installed new boardwalks and trail signage. Limited parking is currently available off of Torrey St.

Beaver Brook Conservation Area (East Ashland Avenue)


Beaver Brook Conservation Area   Beaver Brook Conservation Area   Beaver Brook Conservation Area

At 253 acres in size, the Beaver Brook Conservation Area preserves a variety of wetland resources associated with Beaver Brook, including wooded swamp (forested wetlands), marsh (wet meadow), and floodplain.
Beaver Brook Conservation Area connects to Abington’s Ames Nowell State Park, which features several miles of trails along Cleveland Pond.


Brookfield Nature Area (North Quincy Street)


Brookfield Nature Area   Brookfield Nature Area   Brookfield Nature Area

Located just west of the Beaver Brook Conservation Area, this 47-acre conservation area provides further protection of forested wetlands and hydrological connections to
Beaver Brook.

This Conservation Area contains an old system of cart paths and utility easements, but these paths are not currently maintained for recreation.


Washburn Meadow (Quincy Street and Centre Street)


Washburn Meadow   Washburn Meadow

The 71 acres of the Washburn Meadow Conservation Area preserve a significant proportion of Brockton’s marshes (wet meadows) and floodplain associated with Beaver Brook. Washburn Meadow, along with Beaver Brook Conservation Area, is therefore an important source of the City’s natural flood storage. This Conservation Area does not have a trail system and is not readily accessible for recreation

Green Space Initiatives

BrocktonOSRPLogo BrocktonOSRPBanner

It is time for the City to update its Open Space & Recreation Plan for 2020 - 2027. The OSRP will allow the City to reflect on recent successes and identify goals for ongoing improvement in the areas of open space preservation, recreation, community gardening, and urban agriculture. An up-to-date OSRP also allows the City to remain eligible for PARC Grants and other important funding opportunities from the Division of Conservation Services.

Green Links Photo
The Conway School (Winter 2018)

The Brockton Planning Department has identified the improvement of green spaces downtown as a priority in the midst of redevelopment and growth.
This study identifies opportunities to improve the connectivity, function, ecological health, and safety of Brockton’s downtown green spaces, while maintaining the identity that represents Brockton’s growing, diverse population.

2013 Open Space and Recreation Plan

2013 Open Space and Recreation Plan Cover

The City of Brockton produced this Plan to guide the City’s efforts to preserve its natural lands and enhance its recreational facilities and grounds. The main goals of the City are to protect its conservation land, increase open space in the downtown area, rehabilitate parks and other recreational assets, and solicit broader community participation in open space planning.

Two Rivers Master Plan
Hubert Murray Architect + Planner (2008)

The City of Brockton developed around two major watercourses, Trout Brook and Salisbury Brook, but rarely were these brooks viewed as an urban asset.
This study explores the recreational, cultural, and environmental potential of these brooks and outlines a program to restore and enhance the urban environment through which they run.

Urban Agriculture Initiative

The Brockton Urban Agriculture Initiative aims to identify and promote the economic, health, community, and educational benefits of local and regional agricultural efforts.

With the help of the Conway School of Landscape Design, the Brockton Planning Department produced an Urban Agriculture Plan in 2017.

Early fruits of the Urban Agriculture Initiative can be found at the Brockton Farmers Market, held on Fridays, 10 AM - 2PM, from July through October at City Hall Plaza.

Brockton Farmers Market Stand
Brockton Farmers Market Logo
Shoppers at the Brockton Farmers Market

The Brockton Farmers Market offers area farmers, crafters, and artisans the opportunity to market their farm-raised plants, produce, meat, seafood, and homemade goods directly to the public.

These vendors at the Market in turn provide a source of locally grown, fresh produce for the residents of Brockton and the surrounding area.

Finally, the Market promotes community-building and education efforts by featuring family-friendly entertainment, health screenings, and educational programs on health and nutrition.

Taking Blood Pressure at the Farmers Market
Educational Programs at the Farmers Market