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
	*Fecal coliform was measured by the Standard Method of 9222D, the Filtration Method.
					At the mouth of Rock Creek
					(Flagging site: Potomac Boat Club)
	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)
	6/2/03		0		7.91		17.0		9.73		240		10
	6/3/03		0.25		8.03		17.7		9.66		273		26
	6/4/03		0.29		7.92		17.0		9.66		251		22
	6/5/03		0.05		7.78		15.6		10.15		228		7
	6/6/03		0		7.81		15.3		10.19		199		7
	6/7/03		1.28
	6/8/03		t
	6/9/03		0.46		8.16		17.0		9.88		214		7
	6/10/03		0		8.04		17.5		9.68		216
	6/11/03		0.26		7.92		18.5		9.45		223		18
	6/12/03		1.13		7.93		19.1		9.23		222		17
	6/13/03		0.37		7.70		20.6		8.93		198		5
	6/14/03		0.02
	6/15/03		t
	6/16/03		0		7.84		20.3		8.93		214		7
	6/17/03		0.76		7.87		19.8		8.96		228		15
	6/18/03		0.11		7.90		19.1		9.11		237		14
	6/19/03		1.61		7.91		19.7		8.76		244		13
	6/20/03		0.65		7.78		20.3		8.71		225		9
	6/21/03		0.03
	6/22/03		t
	6/23/03		0		7.78		17.7		9.37		204		11
	6/24/03		0		7.85		18.3		9.19		215		12
	6/25/03		0
	6/26/03		0		7.91		21.7		8.44		245		24
	6/27/03		0.09		7.97		23.7		8.48		257		37
	6/28/03		0
	6/29/03		0
	6/30/03		0.51		8.68		25.9		7.88		274		31
	7/1/03		1.14		8.35		25.3		7.37		220		12
	7/2/03		0.87		8.64		26.2		7.34		249		41
	7/3/03		0.14		8.37		24.6		7.38		262		49
	7/4/03		0
	7/5/03		0
	7/6/03		t
	7/7/03		0.57		8.37		27.5		6.77		321		43
	7/8/03		t		8.34		27.7		6.92		315		37
	7/9/03		0.49		8.27		27.2		6.99		321		49
	7/10/03		1.06		8.19		27.0		6.92		311		29
	7/11/03		t		7.91		25.2		7.35		263		13
	7/12/03		0.03
	7/13/03		t
	7/14/03		0.03		8.17		26.4		7.45		330		38
	7/15/03		0		8.04		26.2		7.24		312		48
	7/16/03		0		8.18		26.4		7.33		308		45
	7/17/03		0		8.42		26.4		7.30		316		39
	7/18/03		t		8.71		26.7		7.70		316		31
	7/19/03		0
	7/20/03		0
	7/21/03		0		8.56		26.8		7.52		314		42
	7/22/03		0.53		8.09		27.6		6.82		309		49
	7/23/03		t		7.92		26.8		6.82		281		19
	7/24/03		0		7.94		26.9		6.95		311		39
	7/25/03		0		8.17		26.8		7.35		318		38
	7/26/03		0
	7/27/03		t
	7/28/03		0.87		8.21		28.2		6.86		328		37
	7/29/03		0.02		8.09		27.6		6.71		338		31
	7/30/03		0.01		8.14		27.3		7.35		333		37
	7/31/03		t		8.38		27.3		7.59		340		35
	8/1/03		0.89		8.30		27.1		7.24		345		39
	8/2/03		0.01
	8/3/03		0.23
	8/4/03		0.01		8.32		27.5		7.53		364		34
	8/5/03		0.39		8.29		27.4		7.36		363		31
	8/6/03		0		8.32		27.3		7.60		377		34
	8/7/03		t		8.47		27.6		7.83		356		34
	8/8/03		t		8.08		27.3		7.28		338		32
	8/9/03		0.44
	8/10/03		0.01
	8/11/03		0.04		8.50		27.3		8.48		359		34
	8/12/03		0		8.28		27.2		7.60		357		34
	8/13/03		0		8.39		27.8		7.47		358		37
	8/14/03		0		8.10		27.8		7.56		352		33
	8/15/03		0		8.13		28.6		7.39		346		39
	8/16/03		0.62
	8/17/03		0.2
	8/18/03		0		7.71		27.6		7.34		250		24
	8/19/03		0		7.54		27.2		7.39		267		32
	8/20/03		0		7.89		26.9		7.48		280		39
	8/21/03		0		7.95		27.5		7.66		280		45
	8/22/03		t		8.04		28.4		7.40		294		42
	8/23/03		0
	8/24/03		0
	8/25/03		0		8.36		28.1		7.57		301		44
	8/26/03		0.96		8.30		27.5		7.88		295		43
	8/27/03		0.56		7.95		27.0		6.75		275		19
	8/28/03		t		7.56		26.1		7.15		288		25
	8/29/03		0.06		7.67		26.5		7.09		282		34
	8/30/03		0.23
	8/31/03		t
	9/1/03		0.19
	9/2/03		0.17		7.86		26.8		7.41		304		48
	9/3/03		0.32		7.87		26.8		7.41		327		43
	9/4/03		0.12		7.94		25.6		7.84		346		38
	9/5/03		0		7.61		22.9		8.57		255		7
	9/6/03		0
	9/7/03		0
	9/8/03		0		7.71		22.8		8.73		267		22
	9/9/03		0		7.84		22.8		8.52		271		29
	9/10/03		0		7.96		22.4		8.68		301		34
	9/11/03		0		7.97		21.5		8.83		316		39
	9/12/03		0.85		8.06		22.0		8.81		325		41
	9/13/03		0.26
	9/14/03		0
	9/15/03		0.08		8.08		21.7		8.81		329		40
	9/16/03		0		7.98		22.1		8.88		323		30
	9/17/03		0		8.10		22.3		8.97		343		39
	9/18/03		2.28
	9/19/03		0.03
	9/20/03		0
	9/21/03		0
	9/22/03		0.78
	9/23/03		1.64		7.56		19.3		9.71		168		5
	9/24/03		0		7.39		19.5		10.18		153		5
	9/25/03		0		7.54		18.9		10.10		178		7
	9/26/03		0		7.66		18.9		10.12		206		9
	9/27/03		0.1
	9/28/03		0.02
	9/29/03		0		7.85		19.4		9.89		253		22
	9/30/03		0		7.87		17.8		10.51		263		16
	10/1/03		0
	10/2/03		0		7.82		16.5		10.45		255		15
	10/3/03		0
	10/4/03		t
	10/5/03		0
	10/6/03		0		8.05		14.6		10.67		306		38
	10/7/03		0		8.07		14.5		10.60		312		41
	10/8/03		0		8.15		14.9		10.39		319		44
	10/9/03		0		8.15		15.6		10.41		329		48
	10/10/03		0		8.11		16.3		10.20		338		49
	10/11/03		t
	10/12/03		0
	10/13/03		0
	10/14/03		1.21		8.18		17.8		9.79		362		61
	10/15/03		0
	10/16/03		0		8.01		15.3		10.50		328		17
	10/17/03		t		7.84		15.3		10.37		298		25