Watersheds & Estuaries

What are Watersheds and Estuaries?
A watershed is all of the area that drains into the same water body. Precipitation falling onto the land within a particular watershed ultimately drains into this one body of water via streams, rivers, estuaries and underground aquifers. This water—and whatever pollutants it may contain—can travel many miles before emptying into a water body, like the ocean or bay. If the rain falling on your house ultimately flows into Barnegat Bay, you reside in the Barnegat Bay Watershed. You may live quite far from the bay and still be part of its watershed.

Large watersheds like the Barnegat Bay can be divided into smaller watersheds. For example, the Metedeconk River watershed and the Toms River watershed are both part of the Barnegat Bay watershed because water from both rivers empties into the Barnegat Bay.

An estuary is a partially enclosed body of water formed where fresh water from rivers and stream flows into the ocean and mixes with salty seawater. Estuaries come in the form of bays, lagoons, harbors, inlets and sounds. Barnegat Bay is an example of a local estuary and displays the beautiful and diverse ecosystems typical of estuaries.

About the Barnegat Bay Watershed
The Barnegat Bay Watershed:

  • Encompasses 660 square miles in most of Ocean and parts of Monmouth counties
  • Stretches between mile markers 53 and 92 on the Garden State Parkway
  • Includes fresh water from nine streams and rivers that flow east into Barnegat Bay
  • Is home to 38 municipalities, more than 500,000 people, scores of animal species and a wide range of ecosystems, including forest, marsh, pond and bay

Are you in the Barnegat Bay Watershed?
If you live or play near one of these rivers or creeks, you’re in the Barnegat Bay Watershed:

  • Cedar Creek
  • Cedar Run
  • Forked River
  • Goose Creek
  • Kettle Creek
  • Metedeconk River
  • Mill Creek
  • Oyster Creek
  • Potters Creek
  • Stouts Creek
  • Toms River
  • Tuckerton Creek
  • Westecunk Creek

Map of the Barnegat Bay Watershed
This map shows the watershed boundaries and the municipalities in the watershed. The blue shaded parts are the boundaries of Ocean County. Portions of southern Monmouth County are in the Toms River and Metedeconk River parts of the watershed (brown shading within dark lines).

This map was reproduced from the League of Women Voters of Ocean County Education Fund's booklet entitled, What YOU Can Do To Prevent Nonpoint Source Pollution in the Barnegat Bay Watershed, which was produced with funding by Grant ES97-113 from NJDEP Office of Intergovernmental Affairs, Environmental Services Program. Reproduction and distribution of the booklet is underwritten by the LWVOC Education Fund with funding from the Barnegat Bay Estuary Program Year 2000 Public Participation and Education Mini-Grant Program and the Trust for Public Land Year 2000 Barnegat Bay Environmental Grant Fund. TPL was designated the administrator of The Bay Fund through a donation from Ciba-Geigy Corp. to NJDEP. Mapping provided by the Ocean County Planning Department. Text by Anne Zeman and Jan Larson; design by Jean Haley.

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Watersheds & Estuaries