What is the TMDL for Chesapeake Bay?

The TMDL identified the overall loading capacity of nitrogen, phosphorus, and sediment that can be present in the Bay to achieve applicable water quality standards – specifically, the TMDL set Bay watershed limits of 185.9 million pounds of nitrogen, 12.5 million pounds of phosphorus, and 6.45 billion pounds of …

What are nonpoint source pollutants and point source pollutants of the Chesapeake Bay?

Point sources include sewage treatment plants, stormwater discharges, industrial discharges, etc. Nonpoint sources include pollutants carried by rainfall runoff from forests, agricultural lands, atmospheric deposition, abandoned land mines, etc.

What is polluting the Chesapeake Bay?

Where Does it Come From? Excessive amounts of nitrogen and phosphorous come from fertilizers, wastewater, septic tank discharges, air pollution, and runoff from farms, cities, and suburbs. Excessive amounts of sediment are carried into our waterways from erosion and from construction sites.

What does the Chesapeake Bay program do?

The Chesapeake Bay Program is a regional partnership that leads and directs Chesapeake Bay restoration and protection. Bay Program partners include federal and state agencies, local governments, non-profit organizations and academic institutions.

Why is the sediment harmful the Chesapeake Bay?

In excess amounts, sediment can cloud the waters of the Bay and its tributaries, blocking sunlight for underwater grasses, covering bottom habitats (such as oyster beds) as it settles and reducing water quality for fish and other aquatic species.

What is the purpose of TMDL in river based projects?

Total Maximum Daily Load (TMDL) is a regulation system that controls the quantity of pollutants discharged from each watershed nationwide to be within the scope of load allocation, by means of setting a water quality target achievable at each end site of watersheds, calculating load allocation permissible to achieve …

What are the 2 major pollutants in the Chesapeake Bay?

Nitrogen and chemical contaminants are two kinds of airborne pollutants affecting water quality in the Chesapeake Bay and its tributaries.

Which of the following is an example of a nonpoint pollution source?

Nonpoint source pollution can include: Excess fertilizers, herbicides and insecticides from agricultural lands and residential areas. Oil, grease and toxic chemicals from urban runoff and energy production. Sediment from improperly managed construction sites, crop and forest lands, and eroding streambanks.

Can you swim in the Chesapeake Bay?

Despite these health concerns, beaches along the tidal rivers and the Chesapeake Bay are often safe for swimming, fishing and boating.

Where is the dead zone in the Chesapeake Bay?

Where Are the Dead Zones in the Chesapeake Bay? Dead zones form in both the Bay’s mainstem and its tidal rivers, typically in deeper water near the bottom.

What is the Chesapeake Bay TMDL?

On December 29, 2010, the U.S. Environmental Protection Agency established the Chesapeake Bay Total Maximum Daily Load (TMDL). The TMDL is a historic and comprehensive “pollution diet” to restore clean water in the Chesapeake Bay and the region’s streams, creeks, and rivers.

What is the TMDL program?

The TMDL is a historic and comprehensive “pollution diet” to restore clean water in the Chesapeake Bay and the region’s streams, creeks, and rivers. Bay TMDL Document. Bay TMDL Fact Sheet. Bay TMDL Development.

What is being done to clean up the Chesapeake Bay?

Practices will also be in place by 2017 to meet 60 percent of the necessary pollution reductions. Actions are being taken across six states and the District of Columbia to reduce nitrogen, phosphorus and sediment loads to meet the clean water goals of the Bay TMDL. The Chesapeake Bay Watershed spans six states and the District of Columbia.