Presented at: Presented at: Advisory Committee Advisory Committee Water Information, Water Information,

Feb. 2008 Herndon, VAFeb. 2008 Herndon, VA

What’s New in NAWQAA Bird’s Eye ViewA Bird’s Eye View

2008 2008 20092009

Photo by Dennis Demcheck

January 29, 2008TN and TP delivered to the Gulf of Mexico originate primarily

from Midwestern and Eastern watersheds

Total Nitrogen

Alexander and others, ES&T

600,000ton per year

reduction

Dissolved-solids are decreasing downstream of salinity control projects in the Upper Colorado River

Anning and others, SIR 2006-5315

Upcoming National Reports on Status and Trends

July 2008 Quality of Source and Drinking Waters Quality of Domestic Wells

2009 – National Synthesis Circulars Quality of the Nation’s Stream Ecosystems,

1992-2004 Nutrients in the Nation’s Streams and

Ground Water, 1992-2004

Source Water Quality Assessments 2002-2007 (July 2008)

Domestic Well Report – July 2008

Development of Water Quality Indicators – coming in 2008

Total Nitrogen(pounds of nitrogen per square mile per year)

Less than 1010 - 599600 - 1,4991,500 - 2,999More than 3,000

2001-20051996-2000

Five-Year Mean-Annual Incremental Yield of Total Nitrogen From Major Watersheds

For The Heinz Center State of the Nation’s Ecosystems Reports, 2002 and 2007

Five-Year Mean Annual Yields in Total Nitrogen

Multi-assemblage sitesAll 3 assessments agreed

All 3 assessments did not agree

Great Salt Lake Basins

New EnglandCoastal Basins

National Circular on the Quality of the Nation’s Stream Ecosystems, 1992-2004; planned for 2009

Proposed Reductions in 2009 Sampling Activities

Complete the Second Decade;2001-2012

National Synthesis Complete two national synthesis circulars

Topical Studies and Status and Trends Develop capstone products that summarize what we

have learned in Cycle II (Circulars and other outlets) Portfolio of over 240 reports and journal articles Make Cycle II products policy relevant

Carry out communication strategies in support of these efforts