Frederick County Stream and River

Data Averages

Frederick County Outdoor School

The following information has been collected by Frederick County Public School sixth graders. The Outdoor School provides a 2 day field study of the different rivers and streams of Frederick County as a follow-up to the water unit taught in their home school science class. Besides collecting water data the students also observe the great variety of plants and animals that are found in our wetlands and surrounding areas. They also discover the importance of wetlands to the Chesapeake Bay Watershed.

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1997-98

Middle School Science Teacher: Walkersville Middle - Carter

Dates: September 9-10, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		6.75	H. 9.0 ppm	5	63 °F	42
Big Hunting Creek		6.75	H. 9.7 ppm	5	64 °F	78
Owens Creek		6.75	H. 6.9 ppm	5	62 °F	50
Potomac Below Pepco		7	H. 5.3 ppm	10	75 °F	20
Potomac Above Pepco		7	H. 5.6 ppm	5	73 °F	33
Linganore Creek		7	H. 6.5 ppm	5	71 °F	28
Monocacy River		7	H. 6.6 ppm	5	71 °F	20
Pinecliff Creek		7	H. 3.0 ppm	5	65 °F	0

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Middle School Science Teacher: Walkersville Middle - Carter

Dates: September 11-12, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7	H. 7.6 ppm	5	58 °F	44
Big Hunting Creek		7	H. 8.9 ppm	8	61 °F	31
Owens Creek		6.8	H. 6.8 ppm	10	62 °F	36
Potomac Below Pepco		7	H. 4.7 ppm	10	81 °F	25
Potomac Above Pepco		7	H. 6.0 ppm	10	71 °F	35
Linganore Creek		7	H. 5.4 ppm	5	71 °F	30
Monocacy River		7	H. 6.7 ppm	10	69 °F	38
Pinecliff Creek		6.8	H. 5.5 ppm	5	67 °F	0

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Middle School Science Teacher: Brunswick Middle - Lutman

Dates: September 16-17, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		6.5	H. 7 ppm	6	61 °F	39
Big Hunting Creek		6.75	H. 6.0 ppm	7	63 °F	21
Owens Creek		6.7	H. 6.1 ppm	7	59 °F	26
Potomac Below Pepco		7	H. 5.5 ppm	10	80 °F	32
Potomac Above Pepco		6.85	H. 6 ppm	7	70 °F	31
Linganore Creek		6.85	H. 7.7 ppm	6	70 °F	43
Monocacy River		6.55	H. 7.4 ppm	7	71 °F	30
Pinecliff Creek		7	L. 3.5 ppm	10	66 °F	0

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Middle School Science Teacher: Brunswick Middle - Gilford

Dates: September 18,22, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		6.75	H. 10.7 ppm	5	54 °F	42
Big Hunting Creek		6.75	H. 7.2 ppm	5	56 °F	19
Owens Creek		6.75	H. 8.6 ppm	5	51 °F	22
Potomac Below Pepco		6.75	H. 5.2 ppm	10	78 °F	19
Potomac Above Pepco		7	H. 5 ppm	10	74 °F	29
Linganore Creek		7	H. 6.0 ppm	5	73 °F	39
Monocacy River		7	H. 6.6ppm	10	72 °F	20
Pinecliff Creek		7	H. 5.5 ppm	5	66 °F	20

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Middle School Science Teacher: Gov. T.J. Middle - Stanford

Dates: September 24-25, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7	H. 8.9 ppm	10	53 °F	25
Big Hunting Creek		7	H. 7.0 ppm	10	56 °F	37
Owens Creek		7	H. 7.5 ppm	7	50 °F	32
Potomac Below Pepco		7	H. 5.8 ppm	10	67 °F	29
Potomac Above Pepco		7.5	H. 7.1 ppm	10	65 °F	34
Linganore Creek		7	H. 7.0 ppm	10	65 °F	47
Monocacy River		7.5	H. 7.2 ppm	5	64 °F	12
Pinecliff Creek		7	H. 6.3 ppm	10	57 °F	0

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Middle School Science Teacher: Middletown Middle - Hoover

Dates: September 29-30, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		6.9	H. 10.5 ppm	5	56 °F	27
Big Hunting Creek		7.25	H. 7.8 ppm	5	58 °F	22
Owens Creek		7.25	H. 7.7 ppm	5	56 °F	23
Potomac Below Pepco		8.0	H. 6.4 ppm	5	68.2 °F	30
Potomac Above Pepco		7.5	H. 6.9 ppm	5	64.5 °F	42
Linganore Creek		7.3	H. 6.9 ppm	5	67° F	28
Monocacy River		7.5	H. 6.4 ppm	5	63.5 °F	28
Pinecliff Creek		7.2	H. 6.9 ppm	5	61 °F	16

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Middle School Science Teacher: Middletown Middle - Hoover

Dates: October 1-2, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 10.1 ppm	8	49 °F	35
Big Hunting Creek		7.5	H. 7.0 ppm	8.5	54.3 °F	26
Owens Creek		7.0	H. 9.1 ppm	7	48 °F	27
Potomac Below Pepco		8.1	H. 6.4 ppm	6	67.5 °F	31
Potomac Above Pepco		8.0	H. 8.0 ppm	7	62.8 °F	51
Linganore Creek		7.7	H. 7.2 ppm	10	61.5 °F	35
Monocacy River		7.7	H. 8.2 ppm	12	62.8 °F	22
Pinecliff Creek		7.7	H. 7.0 ppm	10	58.1 °F	0

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Middle School Science Teacher: Middletown Middle - Watson

Dates: October 6-7, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7	H. 6.6 ppm	5	63 °F	48
Big Hunting Creek		7	H. 6.5 ppm	5	63 °F	40
Owens Creek		7.2	H. 6.6 ppm	5	58 °F	21
Potomac Below Pepco		8.0	H. 6.0 ppm	5	72 °F	27
Potomac Above Pepco		8.25	H. 6.0 ppm	6	70 °F	34
Linganore Creek		7.25	H. 5.0 ppm	6	68 °F	27
Monocacy River		7.5	H. 8.0 ppm	5	69 °F	14
Pinecliff Creek		7.25	H. 6.0 ppm	10	68 °F	16

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Middle School Science Teacher: Middletown Middle - Watson

Dates: October 8-9, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 7.0 ppm	5	59 °F	32
Big Hunting Creek		7.25	H. 7.5 ppm	7.5	62 °F	28
Owens Creek		7.0	H. 7.0 ppm	7.5	59 °F	21
Potomac Below Pepco		7.5	H. 5.7 ppm	7.5	72 °F	12
Potomac Above Pepco		7.5	H. 7.9 ppm	5	71 °F	9
Linganore Creek		7.5	H. 7.0 ppm	7.5	67 °F	35
Monocacy River		7.5	H. 10.0 ppm	7.5	68 °F	16
Pinecliff Creek		7.5	H. 6.0 ppm	7.5	68 °F	0

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Middle School Science Teacher: Windsor Knolls - Ferrant

Dates: October 13-14, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.5 ppm	6.4	57 °F	31
Big Hunting Creek		7.4	H. 6.0 ppm	6.9	59.5 °F	20
Owens Creek		7.1	H. 7.5 ppm	8.4	57 °F	24
Potomac Below Pepco		7.9	H. 6.0 ppm	8.7	66 °F	24
Potomac Above Pepco		8.0	H. 8.0 ppm	8.7	67 °F	33
Linganore Creek		7.4	H. 7.0 ppm	7	64 °F	24
Monocacy River		7.9	H. 9.0 ppm	8.1	64 °F	12
Pinecliff Creek		7.4	H. 5.0 ppm	9.4	62 °F	0

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Middle School Science Teacher: Windsor Knolls - Buckley / Thurmont Middle - Folk

Dates: October 20-21, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 7.0 ppm	5	48 °F	29
Big Hunting Creek		7.5	H. 7.0 ppm	5	48 °F	43
Owens Creek		7.5	H. 7.0 ppm	5	46 °F	40
Potomac Below Pepco		7.75	H. 7.0 ppm	10	61 °F	19
Potomac Above Pepco		8.5	H. 10.0 ppm	10	57 °F	29
Linganore Creek		7.5	H. 7.0 ppm	10	59 °F	31
Monocacy River		7.5	H. 9.0 ppm	10	55 °F	16
Pinecliff Creek		7.5	H. 5.0 ppm	5	56 °F	0

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Middle School Science Teacher: Thurmont Middle - Smith

Dates: October 23-27, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 7.0 ppm	10	48 °F	55
Big Hunting Creek		7.5	H. 7.0 ppm	5	47 °F	44
Owens Creek		7.0	H. 9.0 ppm	5	47.8 °F	43
Potomac Below Pepco		7.5	H. 5.0 ppm	5	57 °F	23
Potomac Above Pepco		8.0	H. 9.0 ppm	5	51.5 °F	24
Linganore Creek		7.5	H. 7.0 ppm	5	51 °F	31
Monocacy River		7.6	H. 9.0 ppm	5	50.8 °F	18.8
Pinecliff Creek		7.75	H. 5.0 ppm	10	46 °F	0

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Middle School Science Teacher: Monocacy Middle - Leonard

Dates: October 29-30, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.5 ppm	5	42.7 °F	25.8
Big Hunting Creek		7.4	H. 7.0 ppm	5	47.1 °F	25.5
Owens Creek		7.15	H. 7.0 ppm	5	44.8 °F	29.29
Potomac Below Pepco		7.6	H. 7.5 ppm	10	52.8 °F	24.25
Potomac Above Pepco		8.17	H. 9.0 ppm	10	55.6 °F	25.4
Linganore Creek		7.4	H. 7.0 ppm	5	52.9 °F	27.3
Monocacy River		7.8	H. 6.0 ppm	10	48.7 °F	28
Pinecliff Creek		7.3	H. 5.0 ppm	5	49.1 °F	26

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Middle School Science Teacher: Monocacy Middle - Isleib

Dates: October 31,November 3, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.6	H. 8.0 ppm	5	46 °F	65
Big Hunting Creek		7.4	H. 8.0 ppm	5	47 °F	45
Owens Creek		7.5	H. 7.5 ppm	5	46 °F	60
Potomac Below Pepco		7.9	H. 8.0 ppm	10	64 °F	32
Potomac Above Pepco		8.2	H. 9.0 ppm	10	54 °F	31
Linganore Creek		7.5	H. 8.0 ppm	5	54 °F	34
Monocacy River		8.5	H. 12.0 ppm	10	54 °F	20
Pinecliff Creek		7.1	H. 5.5 ppm	10	51 °F	0

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Middle School Science Teacher: Ballenger Creek Middle - Jones

Dates: November 5-6, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.5 ppm	5.5	42 °F	31
Big Hunting Creek		7.25	H. 8.0 ppm	7	43 °F	22
Owens Creek		7.0	H. 8.0 ppm	7	42 °F	44
Potomac Below Pepco		7.5	H. 7.0 ppm	7.5	61 °F	23
Potomac Above Pepco		7.25	H. 7.5 ppm	6.75	48 °F	40
Linganore Creek		7.25	H. 6.5 ppm	8	50 °F	36
Monocacy River		7.2	H. 7.0 ppm	6.75	48 °F	24
Pinecliff Creek		6.85	H. 5.0 ppm	4.5	47 °F	0

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Middle School Science Teacher: Ballenger Creek Middle - Fiery

Dates: November 7,11, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.5	H. 8.0 ppm	5	A44/W48°F	40
Big Hunting Creek		7.0	H. 7.5 ppm	5	A50/W46°F	36
Owens Creek		7.0	H. 8.0 ppm	5	A45/W45°F	32
Potomac Below Pepco		7.0	H. 7.0 ppm	10	A50/W51°F	22
Potomac Above Pepco		7.5	H. 7.0 ppm	10	A44/W45°F	37
Linganore Creek		7.5	H. 8.0 ppm	10	A48/W46°F	14
Monocacy River		7.0	H. 7.0 ppm	10	A46/W46°F	34
Pinecliff Creek		7.0	H. 7.5 ppm	5	A46/W46°F	32

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Middle School Science Teacher: West Frederick Middle - Sunkel

Dates: November 14-15, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.5 ppm	5	A34/W40°F	65
Big Hunting Creek		7.0	H. 8.5 ppm	5	A34/W39F	60
Owens Creek		7.0	H. 8.0 ppm	5	A32/W37°F	30
Potomac Below Pepco		7.5	H. 8.0 ppm	5	A37/W45°F	48
Potomac Above Pepco		7.5	H. 8.5 ppm	10	A36/W40°F	40
Linganore Creek		7.0	H. 8.0 ppm	5	A36/W40°F	36
Monocacy River		7.2	H. 7.0 ppm	10	A33/W41°F	50
Pinecliff Creek		6.9	H. 5.0 ppm	10	A33/W40°F	0

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Middle School Science Teacher: West Frederick Middle - Sunkel

Dates: November 17-18, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.5	H. 8.5 ppm	5	A30/W34°F	60
Big Hunting Creek		7.0	H.9.0 ppm	5	A37/W34°F	56
Owens Creek		7.5	H. 8.5 ppm	5	A33/W35°F	49
Potomac Below Pepco		7.25	H. 9.0 ppm	10	A37/W44F	55
Potomac Above Pepco		7.5	H. 7.5 ppm	10	A34/W39°F	102
Linganore Creek		7.25	H. 7.0 ppm	10	A44/W39°F	39
Monocacy River		7.25	H. 8.0 ppm	5	A43/W39°F	44
Pinecliff Creek		7.25	H. 7.0 ppm	10	A41/W40°F	12

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Middle School Science Teacher: West Frederick Middle - Weakland

Dates: November 20-21, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		6.83	H. 9.0 ppm	3.8	A39/W38°F	58
Big Hunting Creek		7.04	H. 8.5 ppm	5	A43/W38°F	50
Owens Creek		7.0	H. 8.5 ppm	5.4	A39/W37°F	45
Potomac Below Pepco		7.3	H. 8.5 ppm	6.5	A37/W54°F	54
Potomac Above Pepco		7.3	H. 8.0 ppm	7.3	A50/W45°F	66
Linganore Creek		7.4	H. 8.0 ppm	5.4	A50/W44°F	46
Monocacy River		7.3	H. 7.0 ppm	7.3	A49/W44F	46
Pinecliff Creek		6.8	H. 7.0 ppm	9.6	A50/W42°F	0

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Middle School Science Teacher: West Frederick Middle - Weakland

Dates: November 24-25, 1997

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		6.8	H. 8.5 ppm	7.7	A32/W35°F	50
Big Hunting Creek		6.9	H. 8.0 ppm	5.9	A44/W35°F	49
Owens Creek		7.0	H. 8.0 ppm	5	A32/W35°F	58
Potomac Below Pepco		7.2	H. 8.0 ppm	12.6	A36/W56°F	32
Potomac Above Pepco		7.5	H. 7.5 ppm	8.4	A36/W40°F	66
Linganore Creek		7.4	H. 8.0 ppm	7.0	A41/W41°F	41
Monocacy River		7.2	H. 9.0 ppm	7.1	A41/W42°F	36
Pinecliff Creek		7.2	H. 8.0 ppm	5	A41/W40°F	24

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Middle School Science Teacher: T.J. Middle - Stanford

Dates: April 2-3, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		6.5	H. 8.2 ppm	5	A/W49°F	84
Big Hunting Creek		6.75	H. 8.0 ppm	10	A/W52°F	77
Owens Creek		6.75	H. 7.9 ppm	10	A/W52°F	55
Potomac Below Pepco		7.75	H. 8.0 ppm	5	A/W68°F	43
Potomac Above Pepco		7.75	H. 7.2 ppm	5	A/W62°F	25
Linganore Creek		7.75	H. 7.0 ppm	10	A/W59°F	109
Monocacy River		7.0	H. 7.0 ppm	5	A/W62°F	43
Pinecliff Creek		6.5	H. 7.2 ppm	5	A/W60°F	90

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Middle School Science Teacher: T.J. Middle - Winters

Dates: April 6-7, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.0 ppm	0	A/W44°F	84
Big Hunting Creek		7.0	H. 7.7 ppm	5	A/W47°F	91
Owens Creek		7.0	H. 7.2 ppm	5	A/W46°F	65
Potomac Below Pepco		7.5	H. 8.5 ppm	5	A/W63°F	36
Potomac Above Pepco		7.5	H. 8.1 ppm	5	A/W57F	40
Linganore Creek		7.5	H. 8.5 ppm	5	A/W55°F	119
Monocacy River		7.5	H. 8.7 ppm	10	A/W54°F	60
Pinecliff Creek		7.0	H. 8.0 ppm	5	A/W54°F	70

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Middle School Science Teacher: Windsor Knolls - Ferrant

Dates: April 20-21, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		6.89	H. 9.0 ppm	2	A61/W49°F	89
Big Hunting Creek		6.90	H. 8.0 ppm	5	A65/W52°F	89
Owens Creek		6.96	H. 9.0 ppm	5	A62/W51°F	60
Potomac Below Pepco		7.32	H. 10.0 ppm	6	A53/W59°F	64
Potomac Above Pepco		7.48	H. 8.2 ppm	7	A59W58°F	65
Linganore Creek		7.38	H. 8.5 ppm	6	A64/W56°F	101
Monocacy River		7.20	H. 7.5 ppm	5	A60/W54°F	87
Pinecliff Creek		7.09	H. 9.0 ppm	7	A61/W56°F	97

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Middle School Science Teacher: Walkersville Middle - Trout

Dates: April 23-24, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		6.85	H. 9.0 ppm	1	A57/W50°F	100
Big Hunting Creek		7.25	H. 9.8 ppm	6	A64/W52°F	68
Owens Creek		7.1	H. 8.0 ppm	6	A59/W52°F	60
Potomac Below Pepco		7.3	H. 8.5 ppm	7.5	A57/W57°F	69
Potomac Above Pepco		7.3	H. 8.9 ppm	8	A62/W56°F	56
Linganore Creek		7.5	H. 8.5 ppm	13.3	A62/W60°F	46
Monocacy River		7.3	H. 9.0 ppm	7.5	A64/W58°F	71
Pinecliff Creek		7.1	H. 8.0 ppm	6.3	A63/W55°F	62

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Middle School Science Teacher: Walkersville Middle - Trout

Dates: April 27-28, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.5 ppm	2	A53/W47°F	107
Big Hunting Creek		7.0	H. 8.2 ppm	3	A56/W49°F	87
Owens Creek		6.8	H. 8.0 ppm	6	A48/W49°F	65
Potomac Below Pepco		7.3	H. 8.5 ppm	12	A53/W67°F	38
Potomac Above Pepco		7.5	H. 8.0 ppm	8	A60/W59°F	44
Linganore Creek		7.8	H. 7.8 ppm	7.5	A63/W54°F	63
Monocacy River		7.3	H. 8.2 ppm	10.8	A60/W59°F	70
Pinecliff Creek		6.9	H. 9.0 ppm	6.3	A60/W54°F	75

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Middle School Science Teacher: New Market Middle - Esworthy/Johnson

Dates: April 30-May 1, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.5 ppm	5	A/W53°F	90
Big Hunting Creek		7.5	H. 8.2 ppm	5	A/W54°F	70
Owens Creek		7.0	H. 8.0 ppm	5	A/W54°F	43
Potomac Below Pepco		7.4	H. 7.6 ppm	5	A/W63°F	56
Potomac Above Pepco		7.5	H. 7.5 ppm	10	A/W61°F	61
Linganore Creek		8.2	H. 8.5 ppm	5	A/W65°F	70
Monocacy River		8.0	H. 9.6 ppm	7	A/W62°F	27
Pinecliff Creek		7.5	H. 10.0 ppm	10	A/W57°F	53

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Middle School Science Teacher: New Market Middle - Esworthy/Johnson

Dates: May 4-5, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.0 ppm	5	A59/W54°F	116
Big Hunting Creek		7.0	H. 7.5 ppm	5	A59/W55°F	154
Owens Creek		7.0	H. 8.5 ppm	5	A60/W54°F	53
Potomac Below Pepco		7.5	H. 7.2 ppm	5	A61/W68°F	46
Potomac Above Pepco		7.5	H. 7.5 ppm	10	A67/W61°F	60
Linganore Creek		7.8	H. 7.3 ppm	5	A67/W65°F	98
Monocacy River		7.5	H. 7.2 ppm	5	A67/W61°F	65
Pinecliff Creek		7.0	H. 7.0 ppm	5	A68/W58°F	63

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Middle School Science Teacher: New Market Middle - Esworthy/Johnson

Dates: May 6-7, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		6.5	H. 8.0 ppm	10	A61/W54°F	90
Big Hunting Creek		7.0	H. 8.0 ppm	10	A61/W54°F	125
Owens Creek		7.0	H. 7.2 ppm	10	A61/W54°F	77
Potomac Below Pepco		7.0	H. 7.0 ppm	5	A63/W64°F	44
Potomac Above Pepco		7.0	H. 7.4 ppm	10	A69/W63°F	57
Linganore Creek		7.5	H. 9.0 ppm	5	A81/W61°F	53
Monocacy River		7.5	H. 7.0 ppm	5	A72/W62°F	66
Pinecliff Creek		7.0	H. 8.5 ppm	5	A72/W59°F	63

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Middle School Science Teacher: New Market Middle - Esworthy/Johnson

Dates: May 11-12, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.3	H. 8.5 ppm	5	A54/W52°F	179
Big Hunting Creek		7.5	H. 8.0 ppm	5	A59/W54°F	165
Owens Creek		7.5	H. 8.0 ppm	5	A53/W52°F	80
Potomac Below Pepco		7.5	H. 7.2 ppm	10	A51/W61°F	70
Potomac Above Pepco		7.0	H. 8.0 ppm	10	A62/W59°F	66
Linganore Creek		7.1	H. 7.9 ppm	5	A64/W60°F	63
Monocacy River		7.0	H. 7.5 ppm	10	A60/W59°F	73
Pinecliff Creek		7.0	H. 7.2 ppm	10	A59/W56°F	92

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Middle School Science Teacher: Ballenger Creek Middle - Jones

Dates: May 14-15, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.0 ppm	5	A62/W53°F	116
Big Hunting Creek		7.0	H. 7.8 ppm	8	A76/W55°F	123
Owens Creek		7.0	H. 7.8 ppm	5	A70/W54°F	66
Potomac Below Pepco		7.25	H. 8.0 ppm	7	A61/W62°F	73
Potomac Above Pepco		7.3	H. 7.9 ppm	8	A71/W57°F	75
Linganore Creek		7.2	H. 8.2 ppm	10	A79/W58°F	80
Monocacy River		7.25	H. 7.8 ppm	8	A71/W58°F	58
Pinecliff Creek		7.0	H. 9.0 ppm	6	A71/W58°F	92

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Middle School Science Teacher: Ballenger Creek Middle - Fiery

Dates: May 18-19, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		6.8	H. 8.2 ppm	5	A78/W56°F	114
Big Hunting Creek		7.2	H. 7.8 ppm	5	A80/W60°F	107
Owens Creek		7.0	H. 8.2 ppm	10	A76/W57°F	63
Potomac Below Pepco		7.2	H. 8.5 ppm	10	A70/W76°F	46
Potomac Above Pepco		7.5	H. 8.4 ppm	5	A74/W68°F	53
Linganore Creek		8.0	H. 8.5 ppm	5	A88/W71°F	99
Monocacy River		7.5	H. 7.8 ppm	10	A81/W69°F	61
Pinecliff Creek		7.0	H. 8.5 ppm	10	A83/W62°F	73

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Middle School Science Teacher: Ballenger Creek Middle - Palamara

Dates: May 21,26, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.2 ppm	3.5	A68/W58°F	52
Big Hunting Creek		7.2	H. 8.1 ppm	8.0	A70/W60°F	52
Owens Creek		7.0	H. 7.8 ppm	5.5	A68/W56°F	56
Potomac Below Pepco		7.3	H. 8.0 ppm	6.0	A72/W82°F	43
Potomac Above Pepco		7.5	H. 7.5 ppm	9.5	A79/W73°F	33
Linganore Creek		7.9	H. 8.0 ppm	8.5	A80/W72°F	65
Monocacy River		7.4	H. 8.0 ppm	9.5	A76/W71°F	44
Pinecliff Creek		7.3	H. 8.0 ppm	8.0	A75/W63°F	52

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Middle School Science Teacher: Monocacy Middle - Leonard

Dates: May 27-28, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 7.8 ppm	5	A68/W58°F	66
Big Hunting Creek		7.0	H. 7.2 ppm	5	A81/W62°F	84
Owens Creek		6.75	H. 7.2 ppm	5	A76/W58°F	66
Potomac Below Pepco		7.25	H. 8.2 ppm	10	A64/W80°F	17
Potomac Above Pepco		7.25	H. 8.0 ppm	5	A73/W69°F	44
Linganore Creek		7.75	H. 7.8 ppm	10	A81/W71°F	77
Monocacy River		7.25	H. 7.0 ppm	5	A80/W70°F	53
Pinecliff Creek		7.25	H. 7.0 ppm	5	A78/W62°F	53

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Middle School Science Teacher: Monocacy Middle - Isleib

Dates: June 1-2, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.2 ppm	5	A68/W57°F	70
Big Hunting Creek		7.0	H. 8.0 ppm	10	A80/W61°F	80
Owens Creek		7.0	H. 8.2 ppm	5	A75/W57°F	44
Potomac Below Pepco		7.5	H. 7.8 ppm	5	A69/W84°F	29
Potomac Above Pepco		7.5	H. 8.0 ppm	5	A70/W74°F	49
Linganore Creek		7.6	H. 8.0 ppm	5	A79/W73°F	73
Monocacy River		7.0	H. 8.2 ppm	5	A78/W73°F	66
Pinecliff Creek		7.0	H. 7.0 ppm	10	A78/W77°F	43

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Middle School Science Teacher: Thurmont Middle - Smith

Dates: June 4-5, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.0 ppm	0	A65/W55°F	68
Big Hunting Creek		7.5	H. 7.9 ppm	10	A61/W56°F	82
Owens Creek		7.25	H. 7.8 ppm	5	A58/W55°F	49
Potomac Below Pepco		7.5	H. 8.5 ppm	5	A66/W82°F	19
Potomac Above Pepco		7.5	H. 8.2 ppm	5	A66/W71°F	41
Linganore Creek		7.0	H. 8.1 ppm	5	A67/W68°F	81
Monocacy River		7.5	H. 8.2 ppm	5	A70/W68°F	49
Pinecliff Creek		7.0	H. 7.5 ppm	5	A70/W60°F	31

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Middle School Science Teacher: Brunswick Middle - Lutman/Gilford

Dates: June 8-9, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.2 ppm	0	A63/W54°F	119
Big Hunting Creek		7.25	H. 8.0 ppm	5	A68/W54°F	107
Owens Creek		7.0	H. 8.0 ppm	5	A60/W52°F	49
Potomac Below Pepco		7.5	H. 9.5 ppm	10	A64/W75°F	23
Potomac Above Pepco		7.25	H. 8.0 ppm	10	A66/W64°F	20
Linganore Creek		7.5	H. 8.2 ppm	5	A71/W68°F	65
Monocacy River		7.5	H. 8.0 ppm	5	A70/W62°F	27
Pinecliff Creek		7.5	H. 7.2 ppm	5	A68/W57°F	48

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Last updated June 9, 1998

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