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.

Click on the data set you would like to examine

1998-99

Middle School Science Teacher: Brunswick Middle - Lutman

Dates: September 8-9, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.2	H. 8.2 ppm	8	A 61°/W 58 °	31
Big Hunting Creek		7.2	H. 7.8 ppm	10	A 61°/W 56°	60
Owens Creek		7.1	H. 8.2 ppm	9	A 63°/W 56 °	37
Potomac Below Pepco		7.5	H. 8.5 ppm	9	A 72°/W 80 °	41
Potomac Above Pepco		7.7	H. 8.4 ppm	9	A 71°/W 72 °	32
Linganore Creek		7.6	H. 8.2 ppm	8	A 69°/W 72°	36
Monocacy River		7.3	H. 7.0 ppm	10	A 67°/W 69°	31
Pinecliff Creek		Dried Up

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Middle School Science Teacher: Brunswick Middle - Lutman /T.J. Middle - Winters

Dates: September 10-11, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.0 ppm	9	A 65°/W 58 °	55
Big Hunting Creek		7.6	H. 7.5 ppm	8	A 65°/W 58°	46
Owens Creek		7.5	H. 8.2 ppm	8	A 65°/W 56 °	21
Potomac Below Pepco		7.6	H. 8.0 ppm	9	A 69°/W 75 °	44
Potomac Above Pepco		7.9	H. 8.8 ppm	9	A 69°/W 68 °	34
Linganore Creek		7.6	H. 8.2 ppm	10	A 67°/W 68°	40
Monocacy River		8.0	H. 8.2 ppm	9	A 74°/W 73°	35
Pinecliff Creek		Dried Up

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

Dates: September 16-17, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.2 ppm	5	A 72°/W 68 °	43
Big Hunting Creek		6.5	H. 8.0 ppm	5	A 79°/W 68°	34
Owens Creek		7.0	H. 7.8 ppm	10	A 76°/W 65 °	29
Potomac Below Pepco		6.75	H. 8.8 ppm	10	A 81°/W 89 °	46
Potomac Above Pepco		8.0	H. 8.5 ppm	5	A 81°/W 78 °	32
Linganore Creek		7.0	H. 8.5 ppm	10	A 91°/W 76°	43
Monocacy River		7.0	H. 8.4 ppm	10	A 88°/W 78°	32
Pinecliff Creek		Dried Up

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Middle School Science Teacher: Monocacy Middle - Leonard

Dates: September 18, 22, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.5	H. 8.4 ppm	5	A 72°/W 67 °	44
Big Hunting Creek		7.8	H. 8.2 ppm	5	A 78°/W 68°	36
Owens Creek		7.8	H. 8.2 ppm	10	A 73°/W 65 °	36
Potomac Below Pepco		7.5	H. 8.0 ppm	10	A 71°/W 84 °	43
Potomac Above Pepco		8.0	H. 8.2 ppm	10	A 78°/W 78 °	23
Linganore Creek		8.0	H. 8.6 ppm	10	A 84°/W 73°	42
Monocacy River		8.0	H. 8.8 ppm	10	A 74°/W 76°	34
Pinecliff Creek		Dried Up

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Middle School Science Teacher: Monocacy Middle - Isleib

Dates: September 24, 28, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.4 ppm	10	A 74°/W 65 °	53
Big Hunting Creek		7.5	H. 8.2 ppm	5	A 74°/W 65°	29
Owens Creek		7.5	H. 8.0 ppm	10	A 70°/W 63 °	32
Potomac Below Pepco		8.1	H. 8.5 ppm	10	A 61°/W 78 °	43
Potomac Above Pepco		8.3	H. 8.8 ppm	10	A 68°/W 68 °	25
Linganore Creek		8.1	H. 8.6 ppm	10	A 68°/W 68°	37
Monocacy River		8.1	H. 8.8 ppm	10	A 69°/W 65°	32
Pinecliff Creek		Dried Up

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Middle School Science Teacher: Thurmont Middle - Smith/Folk

Dates: September 29, Oct. 1, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.5	H. 8.2 ppm	5	A 70°/W 65 °	43
Big Hunting Creek		7.5	H. 7.8 ppm	5	A 70°/W 62°	25
Owens Creek		7.5	H. 8.0 ppm	5	A 65°/W 62 °	27
Potomac Below Pepco		8.0	H. 8.6 ppm	10	A 74°/W 83 °	40
Potomac Above Pepco		8.0	H. 8.6 ppm	5	A 78°/W 71 °	25
Linganore Creek		7.8	H. 8.4 ppm	5	A 73°/W 68°	42
Monocacy River		8.0	H. 8.4 ppm	10	A 74°/W 68°	36
Pinecliff Creek		Dried Up

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Middle School Science Teacher: New Market Middle - Esworthy

Dates: October 5-6, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.4 ppm	0	A 58°/W 57 °	45
Big Hunting Creek		7.25	H. 8.4 ppm	5	A 58°/W 56°	41
Owens Creek		7.25	H. 8.0 ppm	7	A 54°/W 54 °	37
Potomac Below Pepco		7.5	H. 8.6 ppm	10	A 55°/W 70 °	44
Potomac Above Pepco		8.0	H. 8.5 ppm	10	A 60°/W 61 °	31
Linganore Creek		8.0	H. 7.5 ppm	10	A 60°/W 63°	41
Monocacy River		8.2	H. 8.0 ppm	10	A 57°/W 59°	31
Pinecliff Creek		Dried Up

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Middle School Science Teacher: New Market Middle - Esworthy

Dates: October 7,15, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.2 ppm	5	A 52°/W 53 °	43
Big Hunting Creek		7.0	H. 7.5 ppm	5	A 56°/W 52°	36
Owens Creek		7.0	H. 8.3 ppm	5	A 55°/W 52 °	41
Potomac Below Pepco		7.5	H. 9.0 ppm	8	A 68°/W 78 °	46
Potomac Above Pepco		8.0	H. 8.4 ppm	8	A 66°/W 63 °	31
Linganore Creek		8.0	H. 8.3 ppm	8	A 62°/W 65°	38
Monocacy River		7.5	H. 8.4 ppm	5	A 61°/W 62°	36
Pinecliff Creek		Dried Up

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

Dates: October 12-13, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.2 ppm	0	A 61°/W 56 °	48
Big Hunting Creek		7.5	H. 8.2 ppm	5	A 59°/W 56°	41
Owens Creek		7.0	H. 8.2 ppm	5	A 58°/W 55 °	32
Potomac Below Pepco		7.5	H. 9.0 ppm	5	A 65°/W 69 °	49
Potomac Above Pepco		8.0	H. 8.4 ppm	10	A 62°/W 63 °	40
Linganore Creek		8.0	H. 8.0 ppm	10	A 65°/W 62°	41
Monocacy River		7.5	H. 8.4 ppm	10	A 62°/W 62°	36
Pinecliff Creek		Dried Up

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Middle School Science Teacher: New Market Middle - Brandenburg

Dates: October 19-20, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.25	H. 8.3 ppm	5	A 58°/W 54 °	48
Big Hunting Creek		7.0	H. 7.8 ppm	5	A 62°/W 54°	30
Owens Creek		7.0	H. 8.2 ppm	10	A 58°/W 52 °	33
Potomac Below Pepco		8.0	H. 8.5 ppm	10	A 70°/W 71 °	37
Potomac Above Pepco		8.5	H. 8.5 ppm	10	A 70°/W 63 °	34
Linganore Creek		8.0	H. 8.0 ppm	10	A 69°/W 63°	36
Monocacy River		8.0	H. 9.0 ppm	5	A 72°/W 61°	34
Pinecliff Creek		Dried Up

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Middle School Science Teacher: Windsor Knolls Middle - Ferrant

Dates: October 22,26, 1998

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.2 ppm	0	A 63°/W 50 °	51
Big Hunting Creek		7.5	H. 7.2 ppm	0	A 67°/W 52°	37
Owens Creek		7.5	H. 8.0 ppm	10	A 65°/W 51 °	34
Potomac Below Pepco		8.0	H. 10.0 ppm	5	A 55°/W 69 °	40
Potomac Above Pepco		8.0	H. 8.0 ppm	5	A 52°/W 57 °	25
Linganore Creek		7.5	H. 7.5 ppm	5	A 51°/W 59°	92
Monocacy River		8.0	H. 8.7 ppm	10	A 49°/W 56°	36
Pinecliff Creek		Dried Up

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Middle School Science Teacher: Brunswick Middle - Lutman

Dates: March 23-24, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 7.8 ppm	5	A 50°/W 44 °	81
Big Hunting Creek		7.0	H. 8.0 ppm	5	A 47°/W 43°	66
Owens Creek		7.0	H. 7.5 ppm	5	A 50°/W 43 °	72
Potomac Below Pepco		7.5	H. 8.2 ppm	10	A 51°/W 47 °	38
Potomac Above Pepco		7.5	H. 7.8 ppm	10	A 52°/W 45 °	43
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 7.5 ppm	10	A 55°/W 45°	60
Pinecliff Creek		7.2	H. 7.8 ppm	5	A 53°/W 47°	61

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Middle School Science Teacher: Brunswick Middle - Gilford, T.J. Middle - Petras

Dates: March 25-26, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.0 ppm	2	A 39°/W 40 °	78
Big Hunting Creek		7.0	H. 8.2 ppm	0	A 48°/W 42°	59
Owens Creek		7.0	H. 8.0 ppm	0.5	A 39°/W 41 °	58
Potomac Below Pepco		7.5	H. 8.0 ppm	4.6	A 45°/W 52 °	51
Potomac Above Pepco		7.5	H. 8.0 ppm	4.8	A 50°/W 46 °	56
Linganore Creek		Data Not Available
Monocacy River		7.25	H. 7.0 ppm	3.2	A 48°/W 47°	70
Pinecliff Creek		6.83	H. 7.8 ppm	1.3	A 49°/W 49°	51

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

Dates: March 30-31, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.0 ppm	0	A 59°/W 43 °	84
Big Hunting Creek		7.0	H. 7.8 ppm	0	A 70°/W 46°	82
Owens Creek		7.0	H. 8.0 ppm	0	A 60°/W 46 °	61
Potomac Below Pepco		7.5	H. 8.0 ppm	10	A 62°/W 61 °	53
Potomac Above Pepco		7.5	H. 8.4 ppm	10	A 53°/W 49 °	43
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 7.5 ppm	10	A 61°/W 52°	51
Pinecliff Creek		7.5	H. 7.5 ppm	10	A 61°/W 54°	70

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Middle School Science Teacher: Ballenger Creek Middle - Fiery

Dates: April 6-7, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 7.5 ppm	0	A 62°/W 48 °	78
Big Hunting Creek		7.5	H. 7.8 ppm	0	A 70°/W 51°	80
Owens Creek		7.5	H. 7.5 ppm	0	A 61°/W 48 °	73
Potomac Below Pepco		7.0	H. 9.8 ppm	5	A 54°/W 63 °	46
Potomac Above Pepco		8.0	H. 8.2 ppm	5	A 60°/W 55 °	53
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 8.0 ppm	10	A 60°/W 55°	60
Pinecliff Creek		7.5	H. 7.5 ppm	5	A 61°/W 55°	73

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Middle School Science Teacher: Ballenger Creek Middle - McKay

Dates: April 9,12, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.3 ppm	0	A 51°/W 47 °	87
Big Hunting Creek		6.75	H. 8.0 ppm	0	A 50°/W 46°	90
Owens Creek		7.0	H. 8.4 ppm	0	A 43°/W 45 °	73
Potomac Below Pepco		7.5	H. 9.2 ppm	0	A 60°/W 70 °	56
Potomac Above Pepco		7.5	H. 8.2 ppm	10	A 57°/W 59 °	46
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 8.4 ppm	5	A 61°/W 59°	60
Pinecliff Creek		7.25	H. 8.4 ppm	5	A 61°/W 56°	55

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Middle School Science Teacher: Ballenger Creek Middle - Lininger

Dates: April 19-20, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.0 ppm	7	A 50°/W 47 °	119
Big Hunting Creek		7.0	H. 8.2 ppm	0	A 46°/W 45°	66
Owens Creek		7.0	H. 8.2 ppm	3	A 44°/W 46 °	59
Potomac Below Pepco		7.5	H. 8.4 ppm	10	A 54°/W 62 °	42
Potomac Above Pepco		7.5	H. 8.4 ppm	10	A 55°/W 52 °	55
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 8.0 ppm	8	A 60°/W 53°	51
Pinecliff Creek		7.0	H. 7.2 ppm	10	A 61°/W 51°	65

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Middle School Science Teacher: West Frederick Middle - Weakland

Dates: April 22-23, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.2 ppm	0	A 59°/W 51 °	99
Big Hunting Creek		7.0	H. 8.8 ppm	0	A 55°/W 51°	55
Owens Creek		7.0	H. 7.9 ppm	3	A 58°/W 49 °	41
Potomac Below Pepco		7.5	H. 8.8ppm	7	A 53°/W 63 °	55
Potomac Above Pepco		7.5	H. 8.2 ppm	3	A 66°/W 52 °	53
Linganore Creek		Data Not Available
Monocacy River		8.0	H. 9.0 ppm	3	A 75°/W 56°	51
Pinecliff Creek		7.25	H. 7.5 ppm	3	A 75°/W 58°	44

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Middle School Science Teacher: West Frederick Middle - Weakland

Dates: April 26-27, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.2 ppm	0	A 58°/W 49 °	90
Big Hunting Creek		7.5	H. 8.1 ppm	0	A 59°/W 51°	46
Owens Creek		7.0	H. 8.1 ppm	0	A 54°/W 49 °	70
Potomac Below Pepco		7.5	H. 9.2 ppm	5	A 59°/W 67 °	44
Potomac Above Pepco		7.5	H. 7.9 ppm	10	A 70°/W 56 °	71
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 8.2 ppm	5	A 70°/W 57°	56
Pinecliff Creek		7.0	H. 8.2 ppm	5	A 76°/W 57°	57

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Middle School Science Teacher: West Frederick Middle - Walker

Dates: April 29-30, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.2 ppm	0	A 59°/W 49 °	75
Big Hunting Creek		7.0	H. 8.4 ppm	0	A 61°/W 52°	78
Owens Creek		7.0	H. 8.3 ppm	3	A 59°/W 51 °	43
Potomac Below Pepco		7.5	H. 9.5 ppm	3	A 55°/W 67 °	58
Potomac Above Pepco		7.5	H. 7.9 ppm	0	A 65°/W 58 °	51
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 7.7 ppm	5	A 64°/W 57°	60
Pinecliff Creek		7.5	H. 7.4 ppm	0	A 72°/W 55°	55

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Middle School Science Teacher: West Frederick Middle - Walker

Dates: May 3-4, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		6.75	H. 8.3 ppm	3	A 64°/W 52 °	94
Big Hunting Creek		7.25	H. 7.5 ppm	0	A 69°/W 54°	66
Owens Creek		7.0	H. 7.8 ppm	0	A 67°/W 53 °	60
Potomac Below Pepco		7.5	H. 10.0 ppm	5	A 59°/W 77 °	49
Potomac Above Pepco		8.0	H. 8.2 ppm	7	A 65°/W 61 °	46
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 8.4 ppm	3	A 62°/W 58°	53
Pinecliff Creek		7.0	H. 8.0 ppm	10	A 64°/W 55°	40

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Middle School Science Teacher: Monocacy Middle - Leonard

Dates: May 6-7, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.0 ppm	3	A 59°/W 55 °	80
Big Hunting Creek		7.25	H. 8.1 ppm	3	A 62°/W 56°	72
Owens Creek		7.25	H. 8.2 ppm	5	A 61°/W 55 °	56
Potomac Below Pepco		7.5	H. 8.6 ppm	5	A 62°/W 80 °	45
Potomac Above Pepco		7.5	H. 8.2 ppm	7	A 66°/W 66 °	46
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 8.5 ppm	10	A 67°/W 66°	49
Pinecliff Creek		7.25	H. 8.2 ppm	10	A 71°/W 59°	41

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Middle School Science Teacher: Monocacy Middle - Isleib

Dates: May 10-11, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.0 ppm	0	A 64°/W 54 °	84
Big Hunting Creek		7.0	H. 7.9 ppm	10	A 67°/W 57°	78
Owens Creek		7.0	H. 7.8 ppm	0	A 65°/W 55 °	53
Potomac Below Pepco		7.5	H. 10.1 ppm	10	A 62°/W 78 °	43
Potomac Above Pepco		7.5	H. 8.1 ppm	10	A 71°/W 66 °	53
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 8.2 ppm	10	A 69°/W 67°	43
Pinecliff Creek		7.25	H. 7.5 ppm	10	A 75°/W 60°	51

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Middle School Science Teacher: Middletown Middle - Atkins

Dates: May 13-14, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.4 ppm	0	A 56°/W 53 °	61
Big Hunting Creek		7.0	H. 8.3 ppm	0	A 61°/W 53°	66
Owens Creek		7.0	H. 8.2 ppm	10	A 55°/W 53 °	54
Potomac Below Pepco		7.5	H. 9.2 ppm	3	A 66°/W 84 °	50
Potomac Above Pepco		7.5	H. 8.5 ppm	5	A 67°/W 69 °	44
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 8.6 ppm	5	A 73°/W 68°	52
Pinecliff Creek		7.0	H. 7.9 ppm	10	A 73°/W 60°	49

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Middle School Science Teacher: Middletown Middle - Atkins

Dates: May 17-18, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 7.0 ppm	7	A 62°/W 57 °	82
Big Hunting Creek		7.5	H. 8.2 ppm	10	A 68°/W 56°	85
Owens Creek		7.25	H. 7.9 ppm	3	A 66°/W 55°	49
Potomac Below Pepco		7.5	H. 9.4 ppm	10	A 67°/W 80°	45
Potomac Above Pepco		7.5	H. 8.5 ppm	7	A 66°/W 67°	45
Linganore Creek		Data Not Available
Monocacy River		7.75	H. 8.0 ppm	0	A 72°/W 66°	49
Pinecliff Creek		7.25	H. 7.5 ppm	0	A 71°/W 57°	45

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Middle School Science Teacher: Middletown Middle - Hoover

Dates: May 20-21, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.4 ppm	3	A 68°/W 54°	72
Big Hunting Creek		7.5	H. 7.7 ppm	3	A 66°/W 57°	65
Owens Creek		7.0	H. 7.5 ppm	0	A 67°/W 53°	56
Potomac Below Pepco		7.5	H. 9.2 ppm	5	A 63°/W 79°	44
Potomac Above Pepco		7.5	H. 8.2 ppm	7	A 66°/W 66 °	44
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 8.2 ppm	10	A 72°/W 69°	43
Pinecliff Creek		7.5	H. 7.2 ppm	10	A 72°/W 62°	29

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Middle School Science Teacher: Thurmont Middle - Smith

Dates: May 27, June 1, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 8.0 ppm	2.3	A 75°/W 61°	56.8
Big Hunting Creek		7.28	H. 7.5 ppm	7.5	A 80°/W 61°	43
Owens Creek		6.74	H. 7.5 ppm	3.8	A 74°/W 60°	49.8
Potomac Below Pepco		7.5	H. 9.8 ppm	10	A 65°/W 76°	38
Potomac Above Pepco		7.5	H. 8.2 ppm	5	A 71°/W 65 °	32
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 8.5 ppm	5	A 71°/W 70°	39.4
Pinecliff Creek		7.5	H. 7.5 ppm	5	A 68°/W 60°	23.6

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Middle School Science Teacher: Thurmont Middle - Folk

Dates: June 2-3, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.5	H. 8.2 ppm	10	A 73°/W 61°	58
Big Hunting Creek		7.25	H. 8.0 ppm	10	A 78°/W 63°	65
Owens Creek		7.25	H. 8.2 ppm	0	A 68°/W 62°	43
Potomac Below Pepco		7.5	H. 8.5 ppm	7	A 70°/W 84°	49
Potomac Above Pepco		7.5	H. 8.2 ppm	7	A 80°/W 76 °	37
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 8.3 ppm	10	A 85°/W 79°	42
Pinecliff Creek		7.25	H. 7.9 ppm	5	A 86°/W 68°	15

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Middle School Science Teacher: Windsor Knolls Middle - Ferrant

Dates: June 8-9, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.0	H. 7.9 ppm	0	A 80°/W 64°	96
Big Hunting Creek		7.5	H. 8.2 ppm	0	A 85°/W 67°	54
Owens Creek		7.0	H. 7.5 ppm	0	A 85°/W 63°	34
Potomac Below Pepco		7.75	H. 8.4 ppm	10	A 85°/W 87°	43
Potomac Above Pepco		7.75	H. 8.0 ppm	10	A 84°/W 81 °	30
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 8.2 ppm	5	A 92°/W 82°	36
Pinecliff Creek		7.75	H. 7.2 ppm	5	A 92°/W 68°	5

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Middle School Science Teacher: Windsor Knolls Middle - Buckley/Lillard

Dates: June 10-11, 1999

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)
Little Hunting Creek		7.1	H. 8.2 ppm	.7	A 65°/W 61°	59
Big Hunting Creek		7.4	H. 8.0ppm	5.5	A 75°/W 63°	34
Owens Creek		7.1	H. 7.9 ppm	3.9	A 70°/W 61°	42
Potomac Below Pepco		7.5	H. 9.0 ppm	7.5	A 76°/W 88°	33
Potomac Above Pepco		7.5	H. 8.5 ppm	6.4	A 73°/W 78 °	39
Linganore Creek		Data Not Available
Monocacy River		7.5	H. 8.6 ppm	10	A 72°/W 75°	39
Pinecliff Creek		7.37	H. 7.5ppm	7.4	A 72°/W 66°	5

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Last updated June 12, 1999

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