Capital Gazette

January 20, 2014

One inch of rainfall on one acre of pavement causes enough polluted runoff to fill most backyard swimming pools.


About 10,000 acres are paved each year in the Chesapeake Bay watershed.


These figures were in a Chesapeake Bay Foundation report released Monday that calls runoff pollution a “growing threat” to the nation’s largest estuary.


The foundation is calling on state lawmakers to defend stormwater fees intended to pay for projects to lessen this pollution.


“Runoff is the only source of pollution in the bay watershed that’s increasing,” said Alison Prost, Maryland executive director for the Chesapeake Bay Foundation.


Every four years, an area about the size of Washington, D.C. is converted from fields and forests to buildings, roads and parking lots, according to the report.


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