By the numbers: Smallmouth bass and Pennsylvania water pollution goals

York Dispatch

Video: Searching for cause of smallmouth bass die-offs

Video: Young environmentalist Brynn Kelly at work

Slideshow: The health of the Susquehanna River

Video: Save Our Susquehanna campaign

Video: Dairy farmer defends practices

$4 billion-plus: Amount spent through grants, loans and programs to reduce water pollution in Pennsylvania since 1985

$1.22 billion: Estimated amount of money brought into Pennsylvania from fishing in 2011, down from $1.29 billion estimated in 2006

70: Percent of smallmouth bass with diseases in parts of the Susquehanna and Juniata rivers

22,000: Acreage of forest and grass buffers Pennsylvania must add by 2017 to reduce pollution to EPA standards

14.6 million: Pounds of nitrogen pollution Pennsylvania needs to eliminate in its pollution load to the Chesapeake Bay

Sources: Pennsylvania Department of Environmental Protection, Pennsylvania Fish and Boat Commission, Chesapeake Bay Foundation