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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2006-07

Middle School Science Teacher: Brunswick Middle - Lutman

Dates: August 31, November 9, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.3	High 8.0 p.p.m.	2	A 65°F - 18°C / W 52°F -11 °C	133	0.80 NTU's
Big Hunting Creek		7.0	High 7.8 p.p.m.	0	A 65°F - 18°C / W 52°F - 11°C	163	1.60 NTU's
Owens Creek		7.6	High 7.9 p.p.m.	2	A 65°F - 18°C / W 52°F - 12°C	90	1.89 NTU's
Potomac Below Power Plant		8.0	High 11.0 p.p.m.	5	A 70°F - 21°C / W 83°F - 28°C	24	4.60 NTU's
Potomac Above Power Plant		8.3	High 8.8 p.p.m.	3	A 77°F - 25°C / W 77°F - 25°C	22	2.13 NTU's
Monocacy River		7.8	High 8.3 p.p.m.	3	A 73°F - 23°C / W 74°F - 24°C	15	2.48 NTU's
Pinecliff Creek		7.7	High 8.0 p.p.m.	3	A 73°F - 23°C / W 67°F - 19°C	0	2.60 NTU's

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Middle School Science Teacher: West Frederick Middle - Staley

Dates: September 5-6, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 7.8 p.p.m.	0	A 63°F - 17°C / W 61°F - 16°C	72	1.34 NTU's
Big Hunting Creek		7.3	High 8.1 p.p.m.	0	A 65°F - 18°C / W 62°F - 17°C	73	3.95 NTU's
Owens Creek		7.3	High 7.4 p.p.m.	0	A 63°F - 18°C / W 63°F - 18°C	81	12.5 NTU's
Potomac Below Power Plant		7.8	High 7.7 p.p.m.	3	A 70°F - 21°C / W 79°F - 26°C	32	12.3 NTU's
Potomac Above Power Plant		7.7	High 7.0 p.p.m.	5	A 70°F - 21°C / W 70°F - 21°C	41	12.7 NTU's
Monocacy River		7.0	High 7.5 p.p.m.	3	A 66°F - 19°C / W 67°F - 19°C	53	16.5 NTU's
Pinecliff Creek		7.0	High 7.8 p.p.m.	0	A 68°F - 20°C / W 64°F - 18°C	55	135.0 NTU's

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Middle School Science Teacher: West Frederick Middle - Blyler

Dates: September 7-8, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.2	High 8.0 p.p.m.	0	A 65°F - 18°C / W 61°F - 16°C	48	0.06 NTU's
Big Hunting Creek		7.4	High 7.5 p.p.m.	0	A 70°F - 21°C / W 62°F - 17°C	63	2.62 NTU's
Owens Creek			High p.p.m.		A °F - °C / W °F - °C		NTU's
Potomac Below Power Plant		7.9	High 9.0 p.p.m.	1	A 78°F - 26°C / W 80°F - 27°C	43	9.98 NTU's
Potomac Above Power Plant		7.8	High 8.0 p.p.m.	0	A 70°F - 21°C / W 71°F - 22°C	33	13.6 NTU's
Monocacy River		7.6	High 7.0 p.p.m.	0	A 76°F - 24°C / W 66°F - 19°C	43	5.79 NTU's
Pinecliff Creek		7.4	High 7.0 p.p.m.	5	A 70°F - 21°C / W 62°F - 17°C	39	3.20 NTU's

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Middle School Science Teacher: Oakdale Middle - Boden - Brunswick Middle - Andrews

Dates: September 11,13, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.3	High 8.0 p.p.m.	3	A 58°F - 14°C / W 59°F - 15°C	75	0.98 NTU's
Big Hunting Creek		7.5	High 8.0 p.p.m.	3	A 61°F - 16°C / W 59°F - 15°C	79	2.19 NTU's
Owens Creek		7.3	High 8.0 p.p.m.	0	A 64°F - 18°C / W 58°F - 14°C	26	4.34 NTU's
Potomac Below Power Plant		8.0	High 8.5 p.p.m.	3	A 67°F - 19°C / W 79°F - 26°C	25	6.88 NTU's
Potomac Above Power Plant		7.5	High 7.8 p.p.m.	3	A 65°F - 18°C / W 72°F - 22°C	53	3.60 NTU's
Monocacy River		7.5	High 7.3 p.p.m.	3	A 63°F - 17°C / W 66°F - 19°C	61	17.9 NTU's
Pinecliff Creek		7.1	High 7.2 p.p.m.	3	A 62°F - 16°C / W 65°F - 18°C	49	21.0 NTU's

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Middle School Science Teacher: New Market Middle - Fransciscovich

Dates: September 14-15, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.3	High 7.8 p.p.m.	1	A 61°F - 16°C / W 60°F - 16°C	90	1.20 NTU's
Big Hunting Creek		7.4	High 7.9 p.p.m.	3	A 68°F - 20°C / W 61°F - 16°C	66	5.70 NTU's
Owens Creek		7.4	High 8.4 p.p.m.	0	A 63°F - 18°C / W 60°F - 16°C	60	3.77 NTU's
Potomac Below Power Plant		7.9	High 8.0 p.p.m.	3	A 67°F - 19°C / W 76°F - 24°C	35	8.44 NTU's
Potomac Above Power Plant		7.5	High 8.0 p.p.m.	2	A 70°F - 21°C / W 67°F - 19°C	27	5.88 NTU's
Monocacy River		7.3	High 7.9 p.p.m.	0	A 69°F - 21°C / W 62°F - 17°C	52	13.3 NTU's
Pinecliff Creek		7.2	High 8.0 p.p.m.	1	A 64°F - 18°C / W 63°F - 17°C	41	18.9 NTU's

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

Dates: September 18-19, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.3	High 8.2 p.p.m.	4	A 67°F - 19°C / W 63°F - 17°C	49	0.16 NTU's
Big Hunting Creek		7.5	High 7.5 p.p.m.	3	A 76°F - 24°C / W 63°F - 17°C	72	1.02 NTU's
Owens Creek		7.4	High 7.5 p.p.m.	1	A 68°F - 22°C / W 62°F - 16°C	60	3.86 NTU's
Potomac Below Power Plant		7.7	High 9.0 p.p.m.	2	A 76°F - 24°C / W 84°F - 29°C	25	6.64 NTU's
Potomac Above Power Plant		8.5	High 8.4 p.p.m.	3	A 83°F - 28°C / W 74°F - 23°C	32	1.58 NTU's
Monocacy River		7.7	High 7.0 p.p.m.	5	A 76°F - 24°C / W 67°F - 19°C	49	4.34 NTU's
Pinecliff Creek		7.6	High 7.3 p.p.m.	3	A 71°F - 22°C / W 63°F - 17°C	41	2.31 NTU's

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Middle School Science Teacher: Thurmont Middle - Mosser

Dates: September 20-21, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.3	High 8.4 p.p.m.	0	A 48°F - 9°C / W 54°F - 12°C	43	0.59 NTU's
Big Hunting Creek		7.3	High 8.3 p.p.m.	2	A 55°F - 13°C / W 58°F - 14°C	56	1.66 NTU's
Owens Creek		7.5	High 8.4 p.p.m.	0	A 58°F - 14°C / W 51°F - 11°C	41	1.34 NTU's
Potomac Below Power Plant		7.8	High 9.2 p.p.m.	1	A 64°F - 18°C / W 78°F - 26°C	27	33.2 NTU's
Potomac Above Power Plant		7.7	High 8.5 p.p.m.	3	A 66°F - 24°C / W 66°F - 19°C	32	3.11 NTU's
Monocacy River		7.7	High 8.1 p.p.m.	2	A 63°F - 17°C / W 65°F - 20°C	65	3.34 NTU's
Pinecliff Creek		7.6	High 8.2 p.p.m.	3	A 61°F - 16°C / W 60°F - 16°C	29	5.12 NTU's

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Middle School Science Teacher: Monocacy Middle - Miskell / Beynum

Dates: September 25-26, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.2	High 8.0 p.p.m.	0	A 62°F - 17°C / W 56°F - 13°C	48	1.10 NTU's
Big Hunting Creek		7.5	High 7.0 p.p.m.	2	A 69°F - 20°C / W 59°F - 15°C	66	1.15 NTU's
Owens Creek		7.3	High 8.0 p.p.m.	4	A 61°F - 16°C / W 52°F - 11°C	56	2.79 NTU's
Potomac Below Power Plant		7.8	High 9.0 p.p.m.	0	A 72°F - 22°C / W 82°F - 28°C	29	3.84 NTU's
Potomac Above Power Plant		7.7	High 9.5 p.p.m.	3	A 76°F - 24°C / W 74°F - 23°C	26	1.83 NTU's
Monocacy River		8.0	High 9.0 p.p.m.	1	A 74°F - 23°C / W 63°F - 17°C	22	2.90 NTU's
Pinecliff Creek		7.7	High 7.9 p.p.m.	3	A 66°F - 19°C / W 61°F - 16°C	25	4.77 NTU's

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Middle School Science Teacher: Middletown Middle - Martz

Dates: September 27-28, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.2	High 7.4 p.p.m.	0	A 58°F - 14°C / W 57°F - 14°C	43	0.44 NTU's
Big Hunting Creek		7.9	High 7.0 p.p.m.	2	A 67°F - 19°C / W 59°F - 15°C	61	1.56 NTU's
Owens Creek		7.5	High 8.0 p.p.m.	0	A 65°F - 18°C / W 60°F - 16°C	36	1.82 NTU's
Potomac Below Power Plant		8.2	High 12.0 p.p.m.	2	A 74°F - 23°C / W 80°F - 27°C	29	4.14 NTU's
Potomac Above Power Plant		8.2	High 10.0 p.p.m.	2	A 77°F - 25°C / W 72°F - 22°C	23	1.58 NTU's
Monocacy River		7.7	High 8.9 p.p.m.	3	A 66°F - 19°C / W 63°F - 17°C	31	3.64 NTU's
Pinecliff Creek		7.6	High 7.5 p.p.m.	3	A 61°F - 16°C / W 59°F - 15°C	25	9.68 NTU's

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Middle School Science Teacher: Middletown Middle - Martz

Dates: September 29, Oct. 3, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.2	High 8.4 p.p.m.	3	A 59°F - 15°C / W 58°F - 14°C	80	0.06 NTU's
Big Hunting Creek		7.3	High 8.7 p.p.m.	0	A 74°F - 23°C / W 59°F - 15°C	39	1.40 NTU's
Owens Creek		7.3	High 8.0 p.p.m.	2	A 68°F - 20°C / W 62°F - 17°C	61	2.75 NTU's
Potomac Below Power Plant		8.0	High 9.0 p.p.m.	4	A 62°F - 17°C / W 76°F - 24°C	25	9.05 NTU's
Potomac Above Power Plant		7.8	High 10.0 p.p.m.	0	A 69°F - 21°C / W 65°F - 18°C	22	0.81 NTU's
Monocacy River		7.8	High 8.0 p.p.m.	3	A 62°F - 17°C / W 62°F - 17°C	17	6.40 NTU's
Pinecliff Creek		7.5	High 7.5 p.p.m.	3	A 60°F - 16°C / W 57°F - 14°C	56	5.26 NTU's

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Middle School Science Teacher: Middletown Middle - Stevens

Dates: Oct. 4-5, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.3	High 8.0 p.p.m.	1	A 59°F - 15°C / W 60°F - 16°C	66	0.22 NTU's
Big Hunting Creek		7.2	High 8.5 p.p.m.	1	A 62°F - 16°C / W 58°F - 14°C	65	0.99 NTU's
Owens Creek		7.5	High 7.9 p.p.m.	2	A 55°F -17°C / W 59°F - 19°C	53	1.02 NTU's
Potomac Below Power Plant		8.0	High 10.0 p.p.m.	2	A 79°F - 26°C / W 80°F - 27°C	24	2.47 NTU's
Potomac Above Power Plant		8.0	High 10.0 p.p.m.	3	A 85°F - 29°C / W 70°F - 21°C	22	0.87 NTU's
Monocacy River		8.3	High 9.2 p.p.m.	0	A 73°F - 23°C / W 65°F - 18°C	27	5.52 NTU's
Pinecliff Creek		7.4	High 7.5 p.p.m.	4	A 68°F - 20°C / W 61°F - 16°C	25	8.99 NTU's

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Middle School Science Teacher: Middletown Middle - Stevens

Dates: Oct. 6,10, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 8.5 p.p.m.	0	A 59°F - 15°C / W 55°F - 13°C	58	1.08 NTU's
Big Hunting Creek		7.2	High 8.2 p.p.m.	0	A 76°F - 24°C / W 65°F - 18°C	63	0.98 NTU's
Owens Creek		7.6	High 7.0 p.p.m.	0	A 65°F -18°C / W 56°F - 13°C	56	1.04 NTU's
Potomac Below Power Plant		8.3	High 11.5 p.p.m.	3	A 55°F - 13°C / W 75°F - 24°C	25	4.63 NTU's
Potomac Above Power Plant		8.2	High 7.9 p.p.m.	0	A 55°F - 13°C / W 61°F - 16°C	22	1.86 NTU's
Monocacy River		8.0	High 9.0 p.p.m.	0	A 52°F - 11°C / W 59°F - 15°C	33	3.68 NTU's
Pinecliff Creek		7.2	High 9.0 p.p.m.	0	A 54°F - 13°C / W 55°F - 13°C	27	48.7 NTU's

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Middle School Science Teacher: Windsor Knolls Middle - Hughes / Boller

Dates: Oct. 11-12, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.2	High 7.9 p.p.m.	0	A 60°F - 16°C / W 60°F - 16°C	56	0.10 NTU's
Big Hunting Creek		7.3	High 8.0 p.p.m.	2	A 64°F - 18°C / W 58°F - 14°C	49	0.58 NTU's
Owens Creek		7.3	High 7.5 p.p.m.	0	A 62°F -14°C / W 59°F - 15°C	55	1.07 NTU's
Potomac Below Power Plant		7.6	High 8.2 p.p.m.	0	A 68°F - 20°C / W 75°F - 24°C	35	8.30 NTU's
Potomac Above Power Plant		7.4	High 8.4 p.p.m.	0	A 68°F - 20°C / W 63°F - 17°C	31	6.48 NTU's
Monocacy River		7.8	High 8.6 p.p.m.	3	A 70°F - 21°C / W 62°F - 17°C	26	2.50 NTU's
Pinecliff Creek		7.5	High 8.0 p.p.m.	3	A 65°F - 18°C / W 58°F - 14°C	27	2.60 NTU's

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Middle School Science Teacher: Walkersville Middle - Brinton

Dates: Oct. 13,17, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 8.3 p.p.m.	0	A 55°F - 13°C / W 52°F - 11°C	65	0.52 NTU's
Big Hunting Creek		7.1	High 8.5 p.p.m.	0	A 55°F - 13°C / W 51°F - 11°C	73	16.2 NTU's
Owens Creek		7.3	High 8.2 p.p.m.	0	A 55°F -13°C / W 51°F - 11°C	63	4.14 NTU's
Potomac Below Power Plant		7.7	High 10.0 p.p.m.	3	A 58°F - 15°C / W 73°F - 23°C	20	12.7 NTU's
Potomac Above Power Plant		7.5	High 8.2 p.p.m.	3	A 58°F - 15°C / W 59°F - 15°C	36	2.04 NTU's
Monocacy River		7.5	High 7.9 p.p.m.	3	A 55°F - 13°C / W 54°F - 12°C	27	3.02 NTU's
Pinecliff Creek		7.4	High 7.9 p.p.m.	1	A 48°F - 9°C / W 56°F - 13°C	25	6.69 NTU's

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Middle School Science Teacher: Walkersville Middle - Darichuk

Dates: Oct. 18-19, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 8.0 p.p.m.	0	A 62°F - 17°C / W 56°F - 13°C	61	0.35 NTU's
Big Hunting Creek		7.4	High 7.0 p.p.m.	0	A 65°F - 18°C / W 56°F - 13°C	60	1.46 NTU's
Owens Creek		7.2	High 7.9 p.p.m.	1	A 63°F -17°C / W 54°F - 12°C	66	1.52 NTU's
Potomac Below Power Plant		7.7	High 8.2 p.p.m.	0	A 69°F - 21°C / W 71°F - 22°C	55	7.72 NTU's
Potomac Above Power Plant		8.0	High 8.0 p.p.m.	0	A 69°F - 21°C / W 62°F - 17°C	41	3.02 NTU's
Monocacy River		7.7	High 7.5 p.p.m.	5	A 62°F - 17°C / W 59°F - 15°C	69	11.3 NTU's
Pinecliff Creek		7.4	High 7.5 p.p.m.	5	A 62°F - 17°C / W 57°F - 14°C	53	3.70 NTU's

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Middle School Science Teacher: Gov. T.J. Middle - Lashley / Pardee

Dates: Oct. 24-25, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 8.5 p.p.m.	0	A 44°F - 7°C / W 45°F - 7°C	70	0.19 NTU's
Big Hunting Creek		7.3	High 7.9 p.p.m.	0	A 49°F - 9°C / W 44°F - 7°C	90	0.75 NTU's
Owens Creek		7.3	High 7.5 p.p.m.	0	A 44°F -7°C / W 43°F - 6°C	60	0.53 NTU's
Potomac Below Power Plant		7.7	High 9.8 p.p.m.	0	A 49°F - 9°C / W 65°F - 18°C	14	54.8 NTU's
Potomac Above Power Plant		7.6	High 8.5 p.p.m.	3	A 52°F - 11°C / W 53°F - 12°C	22	7.69 NTU's
Monocacy River		7.6	High 9.0 p.p.m.	5	A 45°F - 7°C / W 50°F - 10°C	16	2.28 NTU's
Pinecliff Creek		7.3	High 8.5 p.p.m.	3	A 45°F - 7°C / W 46°F - 8°C	15	1.03 NTU's

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Middle School Science Teacher: Crestwood Middle - Reed

Dates: Oct. 26-27, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.2	High 7.0 p.p.m.	0	A 45°F - 7°C / W 45°F - 7°C	59	0.78 NTU's
Big Hunting Creek		7.3	High 8.0 p.p.m.	0	A 44°F - 7°C / W 44°F - 7°C	85	1.00 NTU's
Owens Creek		7.4	High 8.0 p.p.m.	0	A 45°F -7°C / W 44°F - 7°C	50	0.50 NTU's
Potomac Below Power Plant		7.7	High 9.0 p.p.m.	5	A 51°F - 11°C / W 64°F - 18°C	25	3.31 NTU's
Potomac Above Power Plant		8.0	High 9.9 p.p.m.	2	A 58°F - 14°C / W 53°F - 12°C	23	1.41 NTU's
Monocacy River		7.3	High 8.0 p.p.m.	5	A 49°F - 9°C / W 49°F - 9°C	20	2.40 NTU's
Pinecliff Creek		7.1	High 7.9 p.p.m.	7	A 51°F - 11°C / W 46°F - 8°C	29	3.62 NTU's

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Middle School Science Teacher: Urbana Middle - Isleib

Dates: Oct. 30-31, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 7.2 p.p.m.	2	A 52°F - 11°C / W 49°F - 9°C	99	0.32 NTU's
Big Hunting Creek		7.3	High 8.9 p.p.m.	3	A 70°F - 21°C / W 50°F - 10°C	68	0.69 NTU's
Owens Creek		7.4	High 7.0 p.p.m.	1	A 65°F -20°C / W 50°F - 10°C	121	1.67 NTU's
Potomac Below Power Plant		7.3	High 8.0 p.p.m.	3	A 68°F - 20°C / W 64°F - 18°C	29	22.2 NTU's
Potomac Above Power Plant		8.0	High 9.0 p.p.m.	2	A 74°F - 23°C / W 51°F - 11°C	25	4.78 NTU's
Monocacy River		7.8	High 8.4 p.p.m.	2	A 64°F - 18°C / W 50°F - 10°C	39	17.0 NTU's
Pinecliff Creek		7.0	High 8.3 p.p.m.	0	A 61°F - 16°C / W 46°F - 8°C	62	1.30 NTU's

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Middle School Science Teacher: Ballenger Creek Middle - Driggers

Dates: Nov. 1-2, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 9.0 p.p.m.	0	A 44°F - 7°C / W 51°F - 11°C	131	0.71 NTU's
Big Hunting Creek		7.2	High 7.5 p.p.m.	2	A 46°F - 9°C / W 49°F - 10°C	66	1.84 NTU's
Owens Creek		7.2	High 8.9 p.p.m.	0	A 45°F -8°C / W 50°F - 11°C	100	1.59 NTU's
Potomac Below Power Plant		7.5	High 9.0 p.p.m.	0	A 74°F - 23°C / W 69°F - 21°C	31	5.94 NTU's
Potomac Above Power Plant		7.6	High 9.0 p.p.m.	3	A 73°F - 23°C / W 53°F - 12°C	28	3.25 NTU's
Monocacy River		7.7	High 8.5 p.p.m.	2	A 71°F - 22°C / W 54°F - 12°C	27	6.67 NTU's
Pinecliff Creek		7.3	High 8.0 p.p.m.	4	A 67°F - 19°C / W 52°F - 11°C	27	1.56 NTU's

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Middle School Science Teacher: Ballenger Creek Middle - Storck

Dates: Nov. 3, 10, 2006

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.0	High 8.4 p.p.m.	0	A 58°F - 14°C / W 52°F - 11°C	92	0.30 NTU's
Big Hunting Creek		7.3	High 7.8 p.p.m.	0	A 60°F - 15°C / W 52°F - 11°C	121	1.45 NTU's
Owens Creek		7.3	High 7.0 p.p.m.	0	A 55°F -19°C / W 50°F - 11°C	142	2.71 NTU's
Potomac Below Power Plant		7.5	High 10.0 p.p.m.	0	A 45°F - 7°C / W 68°F - 20°C	28	10.46 NTU's
Potomac Above Power Plant		7.6	High 8.5 p.p.m.	3	A 54°F - 12°C / W 50°F - 10°C	37	2.39 NTU's
Monocacy River		7.3	High 8.7 p.p.m.	2.5	A 43°F - 6°C / W 50°F - 10°C	56	13.8 NTU's
Pinecliff Creek		7.2	High 6.9 p.p.m.	3	A 41°F - 5°C / W 43°F - 6°C	58	1.29 NTU's

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Middle School Science Teacher: West Frederick Middle - Blyler

Dates: April 19-20, 2007

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 7.8p.p.m.	0	A 62°F - 17°C / W 46°F - 8°C	107	0.12 NTU's
Big Hunting Creek		6.9	High 8.9 p.p.m.	0	A 63°F - 17°C / W 50°F - 10°C	93	0.12 NTU's
Owens Creek		7.4	High 7.0 p.p.m.	0	A 54°F - 13°C / W 50°F - 10°C	60	0.14 NTU's
Potomac Below Power Plant		7.5	High 8.3 p.p.m.	0	A 56°F - 13°C / W 52°F - 11°C	56	25.5 NTU's
Potomac Above Power Plant		7.3	High 8.4 p.p.m.	0	A 60°F - 16°C / W 49°F - 9°C	51	79.4 NTU's
Monocacy River		7.2	High 8.3 p.p.m.	0	A 58°F - 14°C / W 49°F - 9°C	51	9.33 NTU's
Pinecliff Creek		7.3	High 8.2 p.p.m.	4	A 52°F - 11°C / W 49°F - 9°C	70	1.48 NTU's

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Middle School Science Teacher: West Frederick Middle - Staley

Dates: April 23-24, 2007

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 6.8p.p.m.	0	A 76°F - 22°C / W 56°F - 12°C	73	1.40 NTU's
Big Hunting Creek		7.4	High 7.0 p.p.m.	0	A 73°F - 22°C / W 58°F - 15°C	159	1.05 NTU's
Owens Creek		7.4	High 7.0 p.p.m.	0	A 73°F - 24°C / W 56°F - 17°C	80	2.21 NTU's
Potomac Below Power Plant		7.4	High 7.5 p.p.m.	0	A 74°F - 28°C / W 66°F - 19°C	47	19.3 NTU's
Potomac Above Power Plant		7.6	High 7.0 p.p.m.	0	A 81°F - 28°C / W 61°F -16 °C	45	10.0 NTU's
Monocacy River		7.7	High 8.0 p.p.m.	0	A 76°F - 23°C / W 60°F - 15°C	56	2.72 NTU's
Pinecliff Creek		7.4	High 7.5 p.p.m.	0	A 78°F - 25°C / W 65°F - 15°C	39	3.76 NTU's

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Middle School Science Teacher: Monocacy Middle - Miskell

Dates: April 25-26, 2007

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.0	High 8.5 p.p.m.	1	A 53°F - 12°C / W 52°F - 11°C	111	1.35 NTU's
Big Hunting Creek		7.1	High 8.2 p.p.m.	0	A 55°F - 13°C / W 52°F - 11°C	82	1.52 NTU's
Owens Creek		7.3	High 8.0 p.p.m.	0	A 49°F - 11°C / W 56°F - 14°C	128	1.35NTU's
Potomac Below Power Plant		7.5	High 8.8 p.p.m.	3	A 75°F - 24°C / W 74°F - 23°C	39	4.53 NTU's
Potomac Above Power Plant		7.5	High 8.0 p.p.m.	5	A 75°F - 24°C / W 62°F - 17°C	43	13.7 NTU's
Monocacy River		7.6	High 8.0 p.p.m.	3	A 70°F - 21°C / W 61°F - 16°C	61	2.66 NTU's
Pinecliff Creek		7.2	High 8.6 p.p.m.	3	A 63°F - 17°C / W 58°F - 14°C	29	5.65 NTU's

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Middle School Science Teacher: Monocacy Middle - Beynum, Oakdale Middle - Pincus

Dates: April 27, 30, 2007

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 7.9 p.p.m.	0	A 74°F - 22°C / W 55°F - 13°C	112	1.14 NTU's
Big Hunting Creek		7.3