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Nitrate in ground water in the Great Valley carbonate subunit of the ...
www.usgs.gov/publications/nitrate-ground-water-great-valley-carbonate-subunit-potomac-river-basin
Agriculture is the major land use in the carbonate part of the Great Valley of the Potomac River Basin. Applied fertilizer and manure are potential ...
USGS Links for HUC 02060006 - Patuxent
water.usgs.gov/lookup/getwatershed?02060006
Nitrate in Groundwater in the Great Valley Carbonate Subunit of the Potomac River Basin - Occurrence and Distribution of Mercury in the Surficial ...
[PDF] Spatial and Temporal Variability of Nitrate and Selected Pesticides in ...
va.water.usgs.gov/GreatValley/ForumDec142005/ForumDeBrewer1205.pdf
Valley Carbonate region of the Potomac River Basin ... • Potomac River basin (14,670 mi2) contributes about 15% of inflow to Chesapeake Bay • Great Va ...
USGS Links for HUC 02070002 - North Branch Potomac
water.usgs.gov/lookup/getwatershed?02070002
The Potential for Denitrification of Groundwater by Coastal Plain Sediments in the Patuxent River Basin, Maryland - Water quality in the Potomac River ...
[PDF] RELATION OF NITROGEN AND PHOSPHORUS IN GROUND WATER
pubs.usgs.gov/wri/1996/4268/report.pdf
The concentrations of nitrate in ground water are higher in agricultural and urban areas of the Potomac River Basin than in forested areas, possibly ...
USGS Links for HUC 02070009 - Monocacy
water.usgs.gov/lookup/getwatershed?02070009
Nitrate in Groundwater in the Great Valley Carbonate Subunit of the Potomac River Basin - National water-quality assessment program--the Potomac River ...
Nutrients and pesticides in streams and ground water -- A regional ...
pubs.usgs.gov/circ/circ1166/nawqa91.5.html
Within the Potomac River Basin, streams and ground water in the Great Valley show the greatest water-quality effects from agricultural sources because ...
[PDF] GROWING GREAT VALLEY COMMUNITIES ON WATER RESOURCES KARST 2010 SCIENCE ...
va.water.usgs.gov/GreatValley/2010_Karst_Conference_Lindsey.pdf
River Basin Potomac River Basin Lower Susquehanna River Basin Delaware River Basin. Reliance on ... Potomac Valley and Ridge Carbonate 28 4.6 101 30 ...
SUMMARY OF MAJOR ISSUES AND FINDINGS IN THE POTOMAC RIVER BASIN
pubs.usgs.gov/circ/circ1166/nawqa91.2.html
Elevated nitrogen concentrations in streams and ground water are common in areas of intensive row cropping, such as the northeastern part of the ...
[PDF] National Water-Quality Assessment Program Activities in the Potomac ...
va.water.usgs.gov/GreatValley/usgs_nawqa_gv.pdf
the Great Valley Carbonate Region. Ground Water: Re-sample Great Valley Carbonate wells (24/29) New Urban Land use study in Piedmont New Study Unit ...
Nitrate in Streams in the Great Valley Carbonate Subunit of the Potomac ...
pubs.usgs.gov/publication/fs16195
Nitrate in Streams in the Great Valley Carbonate Subunit of the Potomac River Basin. ... Nitrate in Streams in the Great Valley Carbonate Subunit of ...
Water Quality Publications - USGS
md.water.usgs.gov/preview/publications/qw.html
Ferrari, M.J., 1994, Assessment of Groundwater quality in the Great Valley Carbonate subunit, Potomac River Basin study unit, national water-quality ...
USGS Links for HUC 02060003 - Gunpowder-Patapsco
water.usgs.gov/lookup/getwatershed?02060003
Nitrate in Groundwater in the Great Valley Carbonate Subunit of the Potomac River Basin - Occurrence and Distribution of Mercury in the Surficial ...
Water Quality and Hydrologic Data (2011-13) for Freshwater Science ...
www.usgs.gov/data/water-quality-and-hydrologic-data-2011-13-freshwater-science-paper-titled-patterns-diel
This data set includes nitrate concentration, water temperature, and discharge collected every 15 minutes during Dec. 2011 - Nov. 2013 from the USGS ...
[PDF] Proceedings Abstracts - USGS Publications Warehouse
pubs.usgs.gov/of/1994/0397/report.pdf
An Assessment of the Increasing Nitrate Trend in the Lower San Joaquin River, California ... Distribution and Sources of Uranium In Ground Water In ...
Discharge, Nitrate Load, and Residence Time of Ground Water in the ...
pubs.usgs.gov/fs/fs15099/
The ground-water nitrate load contributes about half (48 percent) of the total annual nitrogen load of streams entering the Bay. ... The contribution ...
USGS Links for HUC 020700100204 - Lower Anacostia River
water.usgs.gov/lookup/getwbd?020700100204
Nitrate in Groundwater in the Great Valley Carbonate Subunit of the Potomac River Basin - National water-quality assessment program--the Potomac River ...
[PDF] Summary of Pesticide Data from Streams and Wells in the Potomac River ...
pubs.usgs.gov/of/1997/0666/report.pdf
Wells in the Potomac River Basin, 1993-96 by Colleen A. Donnelly and Matthew J. Ferrari Abstract Eighty-five water-soluble pesticides and pesticide ...
[PDF] Water Quality in the Potomac River Basin
pubs.usgs.gov/circ/circ1166/circ1166.pdf
Radon in ground water Radon is present in ground water throughout the Potomac River Basin. (p. 20) The Federal drinking-water standard for radon is ...
[PDF] Geohydrologic Reconnaissance of the Upper Potomac River Basin
pubs.usgs.gov/wsp/2035/report.pdf
2 UPPER POTOMAC RIVER BASIN INTRODUCTION The Potomac River and its major tributaries are the chief source of water supply for the larger communities ...