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Did You Know?

You can cover pools and spas to reduce evaporation and save water.

Hydrant & Catch Basin Locator

Use this Map to locate fire hydrants and catch basins in your neighborhood.

Become a steward of the environment and help to reduce local street-flooding during storms by clearing debris or snow from the tops of catch basins. For more information, download our Keep Catch Basins Clear brochure.

Help to keep fire hydrants visible by removing snow during the winter. Report open fire hydrants. For more information, download our Protect Your Neighborhood brochure.

Report open fire hydrants. Loss of water is costly and shared by every paying customer. For more information, download Report Open Fire Hydrants.


To locate hydrants and catch basins in your area:

  1. Enter your address in the search box then select it from the dropdown.
  2. Use the plus and minus buttons in the upper left corner to zoom in and out.
  3. Pan the map by holding down the left mouse button and dragging.
  4. Catch basins catch basin and hydrants hydrant appear as icons on the street selected.

Catch Basins

catch basin

A catch basin is designed to accept stormwater flows and catch debris that should not be transferred to local receiving waters. It is the receptacle below the square grate in the street next to the curb. Stormwater flows are directed to Boston Harbor, Charles River, Neponset River and Mystic River and local tributaries.

Help to keep debris and leavings from blocking the flow of stormwater into the catch basins. Clean snow and ice from the tops of catch basins to prevent local street flooding.

The catch basin is not a sewer. Never dump liquids, soapy water, hazardous material or chemicals into these storm drains. If you see someone dumping material into the catch basin, call (617) 989-7000 to report dumping in catch basins.



Fire Hydrants are part of an active fire prevention system and provide emergency water for firefighting. Routine maintenance and flushing occur to ensure they function properly. Special permits and meters are required to use the water from hydrants. If you see an open hydrant or hydrants being used without a meter, call (617) 989-7000 to report potential water theft.

To ensure public safety, fire hydrants must remain accessible to the fire department at all times. Do your part to help protect your neighborhood by clearing snow away from fire hydrants after a snowstorm.