Scientific Investigations Report 2006–5106

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5106

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Table 6. Mean monthly streamflow, nitrogen concentrations, and dissolved inorganic nitrogen loads from surface and ground water to Lynch Cove, western Washington, September and October 2004.

[Abbreviations: DIN, dissolved inorganic nitrogen; N, nitrogen; m3/s, cubic meter per second; mg/L, milligram per liter]

Subbasin Mean monthly
streamflow (m3/s)		 Nitrogen
concentration
(mg/L)		 DIN as N loading (metric tons)
Surface water   Ground water
Sept. Oct. Sept. Oct. Monthly mean Monthly mean
Gaged stream subbasins
Union River 11.12 11.29 0.20 0.58 0.69 0.64 0.44
Mission Creek .22 1.25 .16 .09 .11 .10 .27
Ungaged shoreline subbasins
Shore 7A 0.15 0.29 0.13 0.05 0.10 0.075 0.39
Shore 8 .01 .03 .13 <.01 .01 .005 .035
Shore 9A .20 .38 .13 .07 .13 .10 .54
Total 0.9 1.7

1Data provided by Hood Canal Salmon Enhancement Group (Matthew Korb, written commun., 2005).

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