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  • The Delaware River Revival:Four Centuries of Historic Water Quality Change From Henry Hudson to Benjamin Franklin to JFK
  • Gerald J. Kauffman Jr. (bio)

Since Henry Hudson sailed to the bay 400 years ago in August 1609, water quality in the Delaware River has changed from pristine, to polluted, to partly recovered. Water pollution was so noticeable by 1769 that a visiting Englishman named Isaac Weld was moved to comment on the "mess" in the Delaware River at Philadelphia. Due to pollution in the river after the American Revolution, Ben Franklin left money in his will to build a drinking water supply system in America's largest city. In 1940 the Interstate Commission on the Delaware River called the tidal river at Philadelphia "one of the most grossly polluted areas in the United States." During the Second World War, water pollution was so bad that a newly painted ship faded to the colors of the rainbow as it sailed onto the river and Navy pilots were instructed to ignore the stench of the river as they flew a mile overhead.1

After the war, the urban Delaware River was one of most polluted in the world with zero oxygen levels during the summer. [End Page 432] During the 1950s, American shad were unable to migrate through the anoxic barrier at Philadelphia and a prominent ichthyologist lamented "a near extirpation of the species with genetic origins in the basin." In 1973, three years after Richard M. Nixon created the U. S. Environmental Protection Agency, a pessimistic USEPA official concluded that the Delaware Estuary would never achieve fishable uses.2

The watershed came when environmental laws led to a Delaware River revival. In 1961, Pennsylvania Governor David Lawrence convinced a reluctant JFK to sign the law forming the Delaware River Basin Commission between Delaware, New Jersey, New York, and Pennsylvania, the first ever Federal-state watershed compact. In 1968, the DRBC was the first agency to impose load allocations on river dischargers, holding them to standards more stringent than USEPA issued years later. In 1972, Congress led by George McGovern overrode Nixon's veto and passed the Clean Water Act, a law that invested $1.5 billion in new wastewater plants along the Delaware River. Phosphate detergent bans by New York in 1973 and Pennsylvania in 1990, along with a 1994 halt on manufacture prompted phosphorus declines by over 25% in many rivers.3

River historian Richard C. Albert wrote in 1988 that "the cleanup of the Delaware Estuary represents one of the premier water pollution control success stories in the United States." By 2005, dissolved oxygen at Philadelphia exceeded 4 parts per million, the fishable water quality standard, and migratory shad and striped bass returned to the river in numbers not recorded since the late nineteenth century. Bald eagles, protected species that rely on a fish-laden diet, returned to the cleaner waters of the Delaware River in growing numbers, even nesting in South Philadelphia at the Navy Yard in March 2007. Historic water quality recovery occurred in the Delaware River during an environmental era that coincided with the return of migratory fish populations.4

The Delaware River Basin

The Delaware River is governed by two regional watershed organizations, the Delaware River Basin Commission (DRBC) and the Partnership for the Delaware Estuary (PDE). The DRBC oversees water resources management in portions of Delaware, Pennsylvania, New Jersey, and New York. The DRBC is led by five commissioners representing the Governors and a Federal [End Page 433] designee, the U. S. Army Corps of Engineers. In 1968, the DRBC was noted as one of the first actors in the environmental movement when Stewart Udall, JFK's Secretary of the U. S. Department of the Interior stated: "Only the Delaware among the nation's river basins is moving into high gear in its program to combat water pollution."

The Delaware Estuary reached national prominence when USEPA and Congress designated it as one of twenty eight members in the National Estuary Program under the Federal Water Quality Act of 1987 to protect estuarine systems of national significance. The Partnership for the Delaware Estuary formed in 1996 and is managed by an executive director and staff...

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Additional Information

ISSN
2153-2109
Print ISSN
0031-4528
Pages
pp. 432-465
Launched on MUSE
2010-11-03
Open Access
No
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