Measures enacted since 2009 to reduce nitrogen, phosphorus and sediment have driven down the level of pollutants in the Chesapeake Bay, according to computer simulations by the Chesapeake Bay Program, a partnership of federal and state agencies and not-for-profits dedicated to cleaning up the bay. The results between 2009 and 2015: nitrogen down 8%, phosphorus down 20%, and sediment down 7%.
Practices are currently in place to achieve 31 percent of the nitrogen reductions, 81 percent of the phosphorus reductions and 48 percent of the sediment reductions necessary to attain applicable water quality standards as compared to 2009, the year before the Environmental Protection Agency established the Bay Total Maximum Daily Loads, states a Chesapeake Bay Program annual report.
“There is good news here,” responded Chesapeake Bay Foundation President William C. Baker , “but a lot of work remains before we can declare success. Pollution continues to flow from those city streets and farms that do not have controls in place. And while improved, discharges of sewage to public waters continue in some jurisdictions.”
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