Anacostia River Water Quality Data
			Anacostia Watershed Society
	Click the tabs shown at the bottom of this page to select a monitoring station.
	The data on precipitation are taken from NOAA and are viewable here: http://205.156.54.206/er/lwx/climate.htm
					At the mouth of Rock Creek
	Date		Rainfall at National Airport (inches)		pH		Water Temp. (degree C)		DO (mg/L)		Conductivity (µS/cm)		Turbidity (inches / Secchi Disk Depth)		Fecal coliform (coliforms /100ml)
	3/19/03		t		7.93		10.0		11.52		220							off
	3/20/03		1.95		7.99		9.0		9.43		222							weekend
	3/21/03		0.02		7.80		8.9		9.98		201							other reason
	3/22/03		0
	3/23/03		0
	3/24/03		0		7.89		11.2		9.39		198
	3/25/03		0		7.92		12.2		10.56		208
	3/26/03		0.43		7.95		12.4		9.74		217		24
	3/27/03		0		7.98		12.0		10.04		231		30
	3/28/03		0.05		8.01		12.2		9.33		241		29
	3/29/03		0.39
	3/30/03		0.47
	3/31/03		t		8.12		9.6		9.83		264		33
	4/1/03		t
	4/2/03		0		8.09		10.9		10.04		276		40
	4/3/03		0		8.10		12.5		9.22		281		43
	4/4/03		0		8.14		12.6		8.47		276		41
	4/5/03		t
	4/6/03		0
	4/7/03		0.68		8.21		11.5		8.36		265
	4/8/03		t		8.18		10.4		8.62		258		44
	4/9/03		0.51		8.06		9.5		8.97		252		30
	4/10/03		0.07		7.94		8.1		9.86		222
	4/11/03		0.18		7.94		8.1		9.59		213		15
	4/12/03		0
	4/13/03		0
	4/14/03		0		7.86		10.6		9.96		183		10
	4/15/03		0		7.90		11.9		9.31		193		18
	4/16/03		0		7.91		14.3		9.19		205		27
	4/17/03		0		7.94		14.5		8.72		217		31
	4/18/03		0.12		8.01		12.9		8.51		227		35
	4/19/03		0.01
	4/20/03		0
	4/21/03		t
	4/22/03		0.15		8.12		14.7		8.65		268		50
	4/23/03		0		8.15		13.3		8.40		269
	4/24/03		0		8.19		13.1		10.06		276		43
	4/25/03		0.37		8.20		14.2		9.82		282		41
	4/26/03		0.33
	4/27/03		0
	4/28/03		0		8.28		16.5		9.85		273		53
	4/29/03		t		8.35		17.9		9.32		277		46
	4/30/03		0.13		8.54		18.0		9.44		279		48
	5/1/03		t		8.64		18.7		8.98		277		38
	5/2/03		0		8.80		19.8		8.59		280		38
	5/3/03		0
	5/4/03		t
	5/5/03		0.14		8.72		18.4		8.98		290		47
	5/6/03		0.02		8.52		17.0		9.38		290		46
	5/7/03		0.38		8.24		17.7		9.26		283		31
	5/8/03		0.11		8.19		18.6		9.16		280		33
	5/9/03		0.25		8.08		18.6		9.29		270		36
	5/10/03		0.36
	5/11/03		t
	5/12/03		t		7.83		16.7		10.07		202		9
	5/13/03		0		7.76		15.3		10.47		168		6
	5/14/03		0		7.83		14.7		10.49		181		9
	5/15/03		0.13		7.91		15.3		10.23		197		18
	5/16/03		1.59		7.78		15.5		10.07		194		10
	5/17/03		0.1
	5/18/03		0.28
	5/19/03		0		7.81		13.2		11.08		194		14
	5/20/03		0		7.89		14.1		10.84		210		20
	5/21/03		0.67		7.90		15.0		10.32		218		18
	5/22/03		0.03		7.85		15.2		10.33		217		19
	5/23/03