The National Aquarium and its Animal Care and Rescue Center will be closed through April 26 in response to COVID-19 (Coronavirus). CLICK HERE for more information.

Impervious Surfaces

What Impervious Surfaces Mean to Maryland Streams:
The relationship between impervious surfaces and Maryland streams is critically important. See for yourself in this graphic.

Say So Long to Hardscape:
Learn to make water-friendly improvement in your own home. Blue Water Baltimore has details on pavement reduction and hardscape removal.

Sensitive Salamanders:
The Northern red salamander is found throughout the Chesapeake Bay watershed. Studying this species and other salamanders can be an effective indicator of stream health.

Another Way:
Efforts are underway to develop materials that allow water and all those things that flow along with it to permeate the surface, creating are more environmentally friendly water journey. Pervious pavement is considered a best management practice by the US Environmental Protection Agency, and its use is being used in green building projects.


Maryland Department of Natural Resources, Impacts of Impervious Land Cover on Maryland Streams
Maryland Department of Natural Resources, From the Mountains to the Sea: the State of Maryland's Freshwater Streams
Maryland Department of Natural Resources, Fisheries Habitat and Ecosystem Program
NPR, Creating Reservoirs Under Roads And Parking Lots

Back to the Top