Potomac Services LLC history

1974 – A Blue Plains agreement allocates flows and sludge disposal responsibilities; a trial program of phosphorus removal begins.

1975 – An ICPRB conference focuses on rising dollar and energy costs associated with D.C. metro area sewage treatment. • Congress authorizes a five-year study of the Chesapeake Bay.

1980 – Secondary treatment is achieved at all local waste water treatment plants.

The Yard closed in 1982, and is the site of ongoing development of homes and businesses along Route 1 in Alexandria and Arlington.

1988 – Blue Plains starts removing chlorine.

1995 – Survey by USGS reveals that SAV have grown in some areas of the Potomac and declined in others.

1997 – The Potomac Headwaters Land Treatment Watershed Project is initiated, providing WV farmers with federal and state funds for implementation of water quality protection measures.

2002 – The successful American Shad Restoration Project is completed, restoring the population of this historically significant fish that once flowed freely in the Potomac but had been decimated by pollution, overfishing, and blockage over the past century.

2003 - Sedimentological and Geomorphological Interpretations of Borings Along a Planned Outfall Pipe at the Potomac Greens Development in Alexandria, Virginia.

2005 – The Antietam Creek Watershed Alliance (now called the Antietam-Conococheague Watershed Alliance) was formed, focusing on trash clean up, restoration projects, and public education.

2008 – ICPRB develops an index of stream health known as Chessie BIBI. It is calculated from stream macroinvertebrate samples collected and counted by state, federal, and local agencies and other groups.

2011 – Scientists at ICPRB conduct a survey of freshwater mussels in the mainstem of the River.

2012 - Archaeological Investigations within a Portion of Potomac Avenue and Associated East/West Roads and of Site 44AX0204, Potomac Yard Property, City of Alexandria, Virginia.

2015 – ICPRB celebrates 75 years!