Download - Patuxent Oral Presentation
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Patuxent RiverMichelle Alban, Zack Frankian, Bryan Kim, Joanne
Pan, Barka T-W Shimelis, Shane Wellnitz
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PatuxetPawtuxunt
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Population Density Census Tract Resolution
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Land use 1973
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Land use 2010
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Primary/active Economic Sectors in the River BasinMilitary base
Tourism
Patuxent River State Park
Landfill
The Patuxent Wildlife Research Center
Kings Landing Park
Bowie Race Track
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Water quality assessment for river basin (recent trends, identification of impaired waters)
Main contributors to impairment:
Nitrogen
Phosphorus
Sediment
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Little Patuxent Water Reclamation Plant
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WSSC Patuxent Water Filtration Plant
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Pollution SourcesPatuxent River Commision ->Patuxent River Policy Plan ->20/20 Plan (2007) written by The Patuxent Riverkeeper
4 Main Sources (In Descending Order of Impact):- Development- Agriculture- Air Deposition- Individual Polluting Facilities (Point)
Main Pollutants:- Phosphorous- Nitrogen- Sediment- Others (thermal, pesticides, oil)
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Sources of Sediment in the Patuxent River
● Over 50% come from agriculture● The remaining comes mostly from urban
runoff
(2005)
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Key Source of PollutionWastewater Treatment Plants
- Biggest polluter of all point sources
- Responsible for 16% of all Nitrogen and for 25% of all Phosphorous in the watershed
- Hard to keep technology updated with continuously growing population; expensive
- Smaller facilities lack funding
● Trends
- Nitrogen and Phosphorous levels are close to half of what they were in 1985
- Pollution from point sources in general have decreased.
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Current management goals for river basin
There are three goals right now:● Denitrification of groundwater
in the Patuxent River Basin● Patuxent River and Watershed
Restoration● Restoration of aquatic habitats
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Conclusion
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Bibliography25 Can’t-Miss Things to Do Along the Chesapeake Bay. Visit Maryland. n.d. Web. 3 March 2016.
Bay Health Index: Patuxent River 2012. Integration and Application Network: University of Maryland Center for Environmental Science, 2012. Web.
Patuxent River Policy Plan: 2015. Patuxent River Commission. 14 May 2014. Web. 3 March 2016
Patuxent Wildlife Research Center. n.d. Web. 3 March 2016..
Patuxent River State Park. Maryland Department of Natural Resources. n.d. Web. 3 March 2016.
"Restoration & Protection of Ecosystems." Restoration & Protection of Ecosystems. Web. 03 Mar. 2016.
Testa, Jeremy M., Kemp, Michael W., Boynton, Walter R., Hagy, James D. “Long-Term Changes in Water Quality and Productivity in the Patuxent River Estuary: 1985 to 2003.” Coastal and Estuarine Research Federation. n.p. 18 September 2008. Web. 3 March 2016.
United States: Maryland. MDP Land Use/Land Cover Interactive Map. n.d. Web. 3 March 2016.
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Bibliography
United States. Census Bureau. n.d. Web. 3 March 2016.
United States. Department of the Interior. Factors Affecting Nutrient Trends in Major Rivers of the Chesapeake Bay Watershed. Water Resources Investigations Report 00-4218. Washington: USGS, 2000. Web.
Upper Little Patuxent River Watershed Management Plan. Howard County Department of Public Works. n.d. Web. 3 March 2016.
University of Maryland Center for Environmental Science. n.d. Web. 3 March 2016.