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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2004-05

Middle School Science Teacher: Brunswick Middle - Lutman

Dates: August 26-27, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 7.8 p.p.m.	5	A 80°F - 27°C / W 67°F - 19°C	50	2.84 NTU's
Big Hunting Creek		7.1	High 7.2 p.p.m.	5	A 70°F - 21°C / W 61°F - 16°C	36	3.08 NTU's
Owens Creek		7.4	High 7.9 p.p.m.	5	A 75°F - 24°C / W 66°F - 19°C	18	17.70 NTU's
Potomac Below Power Plant		7.8	High 9.0 p.p.m.	7	A 79°F - 26°C / W 90°F - 32°C	43	6.87 NTU's
Potomac Above Power Plant		8.5	High 8.8 p.p.m.	8	A 83°F - 28°C / W 80°F - 27°C	34	2.87 NTU's
Monocacy River		7.7	High 7.9 p.p.m.	8	A 75°F - 24°C / W 74°F - 23°C	36	5.95 NTU's
Pinecliff Creek		7.5	High 7.0 p.p.m.	6	A 75°F - 24°C / W 69°F - 21°C	25	6.50 NTU's

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Middle School Science Teacher: Brunswick Middle - Tuomey / Thurmont Middle School - Dobson

Dates: August 30-31, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.0	High 8.0 p.p.m.	5	A 75°F - 24°C / W 69°F - 21°C	53	1.30 NTU's
Big Hunting Creek		7.5	High 7.0 p.p.m.	5	A 70°F - 21°C / W 68°F - 20°C	38	2.16 NTU's
Owens Creek		7.6	High 7.9 p.p.m.	5	A 71°F - 22°C / W 69°F - 21°C	31	4.60 NTU's
Potomac Below Power Plant		8.0	High 9.0 p.p.m.	10	A 84°F - 29°C / W 92°F - 33°C	35	6.34 NTU's
Potomac Above Power Plant		8.0	High 8.3 p.p.m.	10	A 89°F - 32°C / W 85°F - 30°C	24	2.05 NTU's
Monocacy River		8.0	High 6.8 p.p.m.	7	A 77°F - 25°C / W 77°F - 25°C	40	3.16 NTU's
Pinecliff Creek		7.5	High 6.7 p.p.m.	0	A 82°F - 28°C / W 73°F - 23°C	0	4.73 NTU's

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Middle School Science Teacher: Thurmont Middle School - Lynn

Dates: September 1-2, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.4	High 7.9 p.p.m.	3	A 77°F - 25°C / W 65°F - 18°C	53	0.72 NTU's
Big Hunting Creek		7.8	High 7.8 p.p.m.	4	A 62°F - 17°C / W 60°F - 16°C	48	17.10 NTU's
Owens Creek		7.5	High 7.5 p.p.m.	10	A 63°F - 17°C / W 63°F - 17°C	13	4.52 NTU's
Potomac Below Power Plant		7.7	High 6.9 p.p.m.	7	A 75°F - 24°C / W 87°F - 31°C	29	3.40 NTU's
Potomac Above Power Plant		8.5	High 8.7 p.p.m.	7	A 82°F - 28°C / W 79°F - 26°C	28	2.61 NTU's
Monocacy River		8.0	High 6.9 p.p.m.	5	A 70°F - 21°C / W 73°F - 23°C	22	3.49 NTU's
Pinecliff Creek		-	-	-	DRIED UP	-	-

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

Dates: September 3,7, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.2	High 7.9 p.p.m.	5	A 70°F - 21°C / W 64°F - 18°C	49	0.95 NTU's
Big Hunting Creek		7.1	High 7.9 p.p.m.	6	A 67°F - 19°C / W 62°F - 17°C	37	2.17 NTU's
Owens Creek		7.6	High 8.0 p.p.m.	5	A 70°F - 21°C / W 64°F - 18°C	19	4.88 NTU's
Potomac Below Power Plant		8.0	High 11.0 p.p.m.	10	A 81°F - 27°C / W 87°F - 31°C	31	2.97 NTU's
Potomac Above Power Plant		8.0	High 9.7 p.p.m.	7	A 74°F - 23°C / W 80°F - 27°C	34	1.38 NTU's
Monocacy River		7.9	High 9.5 p.p.m.	5	A 67°F - 19°C / W 73°F - 23°C	26	3.39 NTU's
Pinecliff Creek		-	-	-	DRIED UP	-	-

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

Dates: September 8-9, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.2	High 8.0 p.p.m.	10	A 74°F - 23°C / W 68°F - 20°C	91	1.10 NTU's
Big Hunting Creek		7.6	High 7.5 p.p.m.	6	A 71°F - 22°C / W 65°F - 18°C	59	4.08 NTU's
Owens Creek		7.3	High 7.6 p.p.m.	5	A 70°F - 21°C / W 64°F - 18°C	36	8.00 NTU's
Potomac Below Power Plant		7.7	High 7.0 p.p.m.	7	A 76°F - 24°C / W 80°F - 27°C	25	7.61 NTU's
Potomac Above Power Plant		7.8	High 7.0 p.p.m.	7	A 73°F - 23°C / W 74°F - 23°C	31	1.35 NTU's
Monocacy River		7.8	High 8.0 p.p.m.	7	A 75°F - 24°C / W 73°F - 23°C	32	1.40 NTU's
Pinecliff Creek		-	-	-	DRIED UP	-	-

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Middle School Science Teacher: New Market Middle School - Esworthy

Dates: September 10,13, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.3	High 7.5 p.p.m.	4	A 84°F - 27°C / W 64°F - 18°C	48	1.15 NTU's
Big Hunting Creek		7.3	High 7.5 p.p.m.	4	A 65°F - 18°C / W 62°F - 17°C	49	3.61 NTU's
Owens Creek		7.3	High 7.8 p.p.m.	5	A 70°F - 21°C / W 63°F - 17°C	34	6.09 NTU's
Potomac Below Power Plant		7.5	High 7.4 p.p.m.	7	A 77°F - 25°C / W 74°F - 23°C	61	177.0 NTU's
Potomac Above Power Plant		7.6	High 6.9 p.p.m.	7	A 81°F - 27°C / W 72°F - 22°C	76	311.0 NTU's
Monocacy River		7.6	High 6.5 p.p.m.	6	A 71°F - 22°C / W 70°F - 21°C	50	9.60 NTU's
Pinecliff Creek		7.4	High 7.0 p.p.m.	7	A 74°F - 23°C / W 66°F - 19°C	37	4.86 NTU's

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Middle School Science Teacher: New Market Middle School - Ford

Dates: September 14-15, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.3	High 7.9 p.p.m.	3	A 66°F - 19°C / W 63°F - 17°C	65	0.94 NTU's
Big Hunting Creek		7.6	High 7.3 p.p.m.	3	A 64°F - 18°C / W 63°F - 17°C	49	2.30 NTU's
Owens Creek		7.2	High 7.8 p.p.m.	10	A 65°F - 17°C / W 61°F - 17°C	46	3.69 NTU's
Potomac Below Power Plant		7.8	High 7.5 p.p.m.	7	A 75°F - 24°C / W 83°F - 28°C	27	26.0 NTU's
Potomac Above Power Plant		7.9	High 7.8 p.p.m.	7	A 77°F - 25°C / W 73°F - 22°C	39	23.0 NTU's
Monocacy River		7.9	High 7.9 p.p.m.	7	A 70°F - 21°C / W 71°F - 22°C	31	4.10 NTU's
Pinecliff Creek		7.6	High 6.7 p.p.m.	6	A 71°F - 22°C / W 66°F - 19°C	10	5.33 NTU's

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Middle School Science Teacher: West Frederick Middle School - Blyler

Dates: September 17, 20, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.4	High 7.9 p.p.m.	6	A 67°F - 19°C / W 57°F - 14°C	101	1.35 NTU's
Big Hunting Creek		7.5	High 9.0 p.p.m.	4	A 54°F - 12°C / W 63°F - 17°C	66	1.77 NTU's
Owens Creek		7.9	High 7.4 p.p.m.	8	A 60°F - 16°C / W 56°F - 15°C	74	2.21 NTU's
Potomac Below Power Plant		8.0	High 7.2 p.p.m.	8	A 79°F - 26°C / W 80°F - 27°C	48	17.9 NTU's
Potomac Above Power Plant		8.0	High 7.5 p.p.m.	7	A 76°F - 24°C / W 72°F - 22°C	39	9.31 NTU's
Monocacy River		8.0	High 8.0 p.p.m.	7	A 73°F - 23°C / W 72°F - 22°C	36	2.76 NTU's
Pinecliff Creek		7.8	High 7.1 p.p.m.	7	A 71°F - 22°C / W 68°F - 20°C	27	2.68 NTU's

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Middle School Science Teacher: West Frederick Middle School - Staley

Dates: September 21-22, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.2	High 7.9 p.p.m.	3	A 76°F - 24°C / W 60°F - 16°C	78	0.75 NTU's
Big Hunting Creek		7.3	High 8.0 p.p.m.	5	A 60°F - 16°C / W 63°F - 17°C	66	1.81 NTU's
Owens Creek		7.3	High 7.7 p.p.m.	10	A 65°F - 18°C / W 57°F - 15°C	94	2.53 NTU's
Potomac Below Power Plant		7.4	High 7.9 p.p.m.	6	A 77°F - 25°C / W 70°F - 21°C	102	18.1 NTU's
Potomac Above Power Plant		7.6	High 7.5 p.p.m.	5	A 81°F - 27°C / W 65°F - 18°C	102	77.7 NTU's
Monocacy River		7.4	High 7.0 p.p.m.	7	A 61°F - 16°C / W 63°F - 17°C	44	15.4 NTU's
Pinecliff Creek		7.4	High 7.2 p.p.m.	6	A 58°F - 14°C / W 56°F - 13°C	55	2.06 NTU's

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Middle School Science Teacher: Middletown Middle School - Atkins I

Dates: September 23, 27, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.3	High 7.3 p.p.m.	3	A 71°F - 22°C / W 61°F - 16°C	62	0.38 NTU's
Big Hunting Creek		7.4	High 8.0 p.p.m.	6	A 61°F - 16°C / W 64°F - 18°C	73	1.59 NTU's
Owens Creek		7.5	High 8.3 p.p.m.	7	A 66°F - 18°C / W 62°F - 17°C	10	2.85 NTU's
Potomac Below Power Plant		7.6	High 7.7 p.p.m.	6	A 79°F - 26°C / W 75°F - 24°C	25	25.6 NTU's
Potomac Above Power Plant		7.6	High 7.0 p.p.m.	6	A 79°F - 26°C / W 68°F - 20°C	48	22.6 NTU's
Monocacy River		7.5	High 7.0 p.p.m.	7	A 66°F - 19°C / W 64°F - 18°C	51	6.88 NTU's
Pinecliff Creek		7.5	High 7.4 p.p.m.	5	A 63°F - 17°C / W 59°F - 15°C	37	2.98 NTU's

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Middle School Science Teacher: Middletown Middle School - Atkins II

Dates: September 28-29, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.0	High 8.0 p.p.m.	0	A 67°F - 19°C / W 61°F - 16°C	74	3.16 NTU's
Big Hunting Creek		7.2	High 8.1 p.p.m.	5	A 63°F - 17°C / W 62°F - 17°C	116	5.62 NTU's
Owens Creek		7.3	High 7.5 p.p.m.	7	A 64°F - 18°C / W 61°F - 16°C	42	2.19 NTU's
Potomac Below Power Plant					Flooding due to Hurricane
Potomac Above Power Plant					Flooding due to Hurricane
Monocacy River		7.2	High 6.9 p.p.m.	3	A 67°F - 19°C / W 67°F - 19°C	-	109.8 NTU's
Pinecliff Creek					Flooding due to Hurricane

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Middle School Science Teacher: Middletown Middle School - Martz I

Dates: September 30 October 1, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.2	High 8.1 p.p.m.	2	A 58°F - 14°C / W 56°F - 13°C	97	1.13 NTU's
Big Hunting Creek		7.4	High 7.8 p.p.m.	7	A 76°F - 24°C / W 59°F - 15°C	61	1.27 NTU's
Owens Creek		7.4	High 8.0 p.p.m.	5	A 60°F - 17°C / W 55°F - 14°C	73	1.77 NTU's
Potomac Below Power Plant					Flooding due to Hurricane
Potomac Above Power Plant					Flooding due to Hurricane
Monocacy River		7.8	High 8.0 p.p.m.	7	A 58°F - 14°C / W 63°F - 17°C	27	7.01 NTU's
Pinecliff Creek					Flooding due to Hurricane

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Middle School Science Teacher: Middletown Middle School - Martz II

Dates: October 4-5, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.2	High 8.3 p.p.m.	3	A 52°F - 11°C / W 54°F - 12°C	133	0.66 NTU's
Big Hunting Creek		7.5	High 7.5 p.p.m.	6	A 58°F - 14°C / W 55°F - 13°C	84	1.30 NTU's
Owens Creek		7.3	High 8.0 p.p.m.	10	A 51°F - 19°C / W 51°F - 12°C	115	7.16 NTU's
Potomac Below Power Plant		7.6	High 8.4 p.p.m.	6	A 72°F - 22°C / W 72°F - 22°C	77	3.72 NTU's
Potomac Above Power Plant		7.6	High 7.9 p.p.m.	7	A 80°F - 26°C / W 67°F - 19°C	39	15.6 NTU's
Monocacy River		7.7	High 8.0 p.p.m.	7	A 62°F - 17°C / W 62°F - 17°C	36	6.97 NTU's
Pinecliff Creek		7.3	High 7.3 p.p.m.	5	A 58°F - 14°C / W 58°F - 14°C	49	1.38 NTU's

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Middle School Science Teacher: Ballenger Creek Middle School - Driggers

Dates: October 6-7, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.0	High 8.4 p.p.m.	4.1	A 64°F - 16°C / W 54°F - 12°C	89	0.50 NTU's
Big Hunting Creek		7.4	High 8.5 p.p.m.	6.0	A 52°F - 11°C / W 59°F - 15°C	84	2.40 NTU's
Owens Creek		7.3	High 7.5 p.p.m.	6.1	A 52°F - 11°C / W 52°F - 11°C	123	1.90 NTU's
Potomac Below Power Plant		7.9	High 8.3 p.p.m.	7.8	A 62°F - 17°C / W 68°F - 18°C	47	11.4 NTU's
Potomac Above Power Plant		7.9	High 7.9 p.p.m.	8.4	A 68°F - 18°C / W 64°F - 17°C	42	6.5 NTU's
Monocacy River		7.8	High 8.2 p.p.m.	6.6	A 57°F - 13°C / W 58°F - 14°C	42	5.1 NTU's
Pinecliff Creek		7.3	High 6.0 p.p.m.	6.0	A 55°F - 13°C / W 53°F - 11°C	52	1.4 NTU's

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Middle School Science Teacher: Ballenger Creek Middle School - Storck - Windsor Knolls Middle - Andrews

Dates: October 8, 18, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 8.0 p.p.m.	0	A 54.6°F - 12.0°C / W 49.9°F - 8.9°C	97	2.43 NTU's
Big Hunting Creek		7.3	High 9.1 p.p.m.	5	A 45.2°F - 6.2°C / W 54.5°F - 17.2°C	71.8	3.43 NTU's
Owens Creek		7.2	High 8.1 p.p.m.	5	A 54.0°F - 10.2°C / W 47.6°F - 9.0°C	155.4	0.76 NTU's
Potomac Below Power Plant		7.8	High 8.2 p.p.m.	10	A 69.5°F - 24.7°C / W 73.2°F - 22.8°C	34	4.72 NTU's
Potomac Above Power Plant		7.5	High 7.9 p.p.m.	5	A 68.2°F - 22.6°C / W 58.2°F - 15.5°C	47	5.38 NTU's
Monocacy River		7.5	High 7.9 p.p.m.	5	A 64.9°F - 14.4°C / W 58.4°F - 15.9°C	45	7.71 NTU's
Pinecliff Creek		7.3	High 7.0 p.p.m.	0	A 62.6°F - 16.5°C / W 57.8°F - 14.0°C	62	1.88 NTU's

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Middle School Science Teacher: Oakdale Middle School - Boden

Dates: October 19-20, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 8.1 p.p.m.	5	A 59°F - 15°C / W 57°F - 14°C	106	0.14 NTU's
Big Hunting Creek		7.0	High 8.4 p.p.m.	5	A 50°F - 10°C / W 50°F - 10°C	78	0.69 NTU's
Owens Creek		7.3	High 7.8 p.p.m.	5	A 51°F - 11°C / W 50°F - 10°C	87	1.88 NTU's
Potomac Below Power Plant		8.0	High 8.4 p.p.m.	10	A 56°F - 13°C / W 67°F - 19°C	43	3.76 NTU's
Potomac Above Power Plant		8.0	High 8.0 p.p.m.	10	A 56°F - 13°C / W 56°F - 13°C	40	1.34 NTU's
Monocacy River		7.7	High 8.3 p.p.m.	10	A 59°F - 12°C / W 55°F - 13°C	31	1.76 NTU's
Pinecliff Creek		7.5	High 7.2 p.p.m.	8	A 53°F - 12°C / W 52°F - 11°C	39	1.12 NTU's

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Middle School Science Teacher: Windsor Knolls Middle School - Ferrant

Dates: October 21-22, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 8.0 p.p.m.	2	A 50°F - 10°C / W 52°F - 11°C	109	0.07 NTU's
Big Hunting Creek		7.4	High 8.4 p.p.m.	5	A 50°F - 10°C / W 53°F - 11°C	57	1.12 NTU's
Owens Creek		7.2	High 8.3 p.p.m.	3	A 50°F - 10°C / W 49°F - 9°C	62	1.07 NTU's
Potomac Below Power Plant		8.0	High 9.0 p.p.m.	7	A 55°F - 13°C / W 66°F - 19°C	48	2.55 NTU's
Potomac Above Power Plant		8.3	High 7.9 p.p.m.	5	A 55°F - 13°C / W 55°F - 13°C	40	2.16 NTU's
Monocacy River		7.7	High 7.5 p.p.m.	3	A 53°F - 12°C / W 54°F - 12°C	43	7.51 NTU's
Pinecliff Creek		7.7	High 7.9 p.p.m.	5	A 52°F - 11°C / W 53°F - 12°C	41	4.30 NTU's

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Middle School Science Teacher: Windsor Knolls Middle School - Hughes

Dates: October 25-26, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.2	High 8.4 p.p.m.	3	A 52°F - 11°C / W 52°F - 11°C	107	0.00 NTU's
Big Hunting Creek		7.6	High 7.8 p.p.m.	7	A 63°F - 17°C / W 50°F - 10°C	74	0.91 NTU's
Owens Creek		7.5	High 7.8 p.p.m.	3	A 52°F - 11°C / W 49°F - 9°C	39	0.28 NTU's
Potomac Below Power Plant		7.7	High 8.9 p.p.m.	7	A 55°F - 13°C / W 70°F - 21°C	58	2.26 NTU's
Potomac Above Power Plant		7.7	High 8.0 p.p.m.	7	A 54°F - 12°C / W 54°F - 12°C	39	1.44 NTU's
Monocacy River		8.3	High 8.0 p.p.m.	7	A 51°F - 11°C / W 52°F - 11°C	24	2.00 NTU's
Pinecliff Creek		7.7	High 8.0 p.p.m.	4	A 53°F - 12°C / W 53°F - 12°C	32	0.93 NTU's

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Middle School Science Teacher: Crestwood Middle School - Reed

Dates: October 27-28, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 8.4 p.p.m.	2	A 51°F - 11°C / W 50°F - 10°C	94	0.24 NTU's
Big Hunting Creek		7.4	High 8.5 p.p.m.	4	A 58°F - 15°C / W 50°F - 10°C	61	0.58 NTU's
Owens Creek		7.4	High 9.0 p.p.m.	5	A 53°F - 12°C / W 51°F - 10°C	56	1.14 NTU's
Potomac Below Power Plant		7.8	High 10.0 p.p.m.	7	A 61°F - 16°C / W 71°F - 22°C	55	2.84 NTU's
Potomac Above Power Plant		7.7	High 10.0 p.p.m.	7	A 59°F - 15°C / W 55°F - 13°C	42	1.71 NTU's
Monocacy River		8.0	High 8.1 p.p.m.	7	A 52°F - 11°C / W 53°F - 12°C	41	2.74 NTU's
Pinecliff Creek		7.5	High 8.0 p.p.m.	5	A 50°F - 10°C / W 50°F - 10°C	22	1.03 NTU's

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Middle School Science Teacher: Monocacy Middle School - Isleib

Dates: October 29, November 3, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.2	High 8.1 p.p.m.	5	A 56°F - 13°C / W 54°F - 12°C	130	0.54 NTU's
Big Hunting Creek		7.3	High 8.4 p.p.m.	7	A 61°F - 16°C / W 54°F - 12°C	75	0.68 NTU's
Owens Creek		7.2	High 7.9 p.p.m.	3	A 54°F - 12°C / W 54°F - 12°C	97	0.32 NTU's
Potomac Below Power Plant		7.5	High 9.7 p.p.m.	7	A 60°F - 15°C / W 74°F - 23°C	46	2.11 NTU's
Potomac Above Power Plant		7.6	High 8.2 p.p.m.	7	A 59°F - 15°C / W 57°F - 14°C	43	0.60 NTU's
Monocacy River		7.7	High 8.2 p.p.m.	7	A 57°F - 14°C / W 56°F - 13°C	35	1.92 NTU's
Pinecliff Creek		7.5	High 7.3 p.p.m.	4	A 53°F - 12°C / W 53°F - 12°C	41	0.93 NTU's

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Middle School Science Teacher: Monocacy Middle School - Leonard

Dates: November 4-5, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.1	High 8.0 p.p.m.	0	A 49°F - 9°C / W 49°F - 9°C	75	0.77 NTU's
Big Hunting Creek		7.2	High 8.3 p.p.m.	5	A 50°F - 10°C / W 50°F - 10°C	83	0.37 NTU's
Owens Creek		7.3	High 9.3 p.p.m.	5	A 48°F - 11°C / W 47°F - 9°C	66	1.51 NTU's
Potomac Below Power Plant		7.7	High 9.5 p.p.m.	7	A 54°F - 12°C / W 59°F - 15°C	35	2.01 NTU's
Potomac Above Power Plant		7.9	High 8.5 p.p.m.	7	A 55°F - 13°C / W 55°F - 13°C	37	0.51 NTU's
Monocacy River		7.3	High 7.0 p.p.m.	7	A 50°F - 10°C / W 54°F - 12°C	43	1.12 NTU's
Pinecliff Creek		7.3	High 6.0 p.p.m.	5	A 50°F - 10°C / W 50°F - 10°C	31	4.40 NTU's

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Middle School Science Teacher: Walkersville Middle School - Moore

Dates: November 8-9, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.32	High 7.81 p.p.m.	1.8	A 42.3°F - 5.1°C / W 45.3°F - 5.7°C	95.13	0.00 NTU's
Big Hunting Creek		7.22	High 8.48 p.p.m.	0.3	A 44°F - 5°C / W 45°F - 6°C	81.2	1.50 NTU's
Owens Creek		7.28	High 9.2 p.p.m.	1.5	A 42°F - 4°C / W 43°F - 6°C	115	0.426 NTU's
Potomac Below Power Plant		7.86	High 8.25 p.p.m.	5.33	A 47°F - 7.6°C / W 62°F - 16.7°C	36.6	5.30 NTU's
Potomac Above Power Plant		7.69	High 8.43 p.p.m.	4.6	A 53°F - 8°C / W 52°F - 10°C	56.2	2.90 NTU's
Monocacy River		7.71	High 7.31 p.p.m.	4	A 47°F - 8.5°C / W 49.3°F - 10°C	47.1	2.67 NTU's
Pinecliff Creek		7.34	High 11.4 p.p.m.	4.3	A 47°F - 10.3°C / W 45.6°F - 8.1°C	46.8	2.30 NTU's

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Middle School Science Teacher: Walkersville Middle School - Brinton

Dates: November 10-11, 2004

Site		pH	Oxygen	Hardness	Temp	Flow Rate (cm/sec)	Turbidity (NTU)
Little Hunting Creek		7.0	High 7.9 p.p.m.	2	A 43°F - 6°C / W 44°F - 7°C	148	0.00 NTU's
Big Hunting Creek		7.2	High 8.4 p.p.m.	7	A 61°F - 16°C / W 47°F - 8°C	68	0.17 NTU's
Owens Creek		7.4	High 8.4 p.p.m.	5	A 56°F - 13°C / W 45°F - 7°C	90	0.22 NTU's
Potomac Below Power Plant		7.7	High 9.0 p.p.m.	7	A 52°F - 11°C / W 59°F - 15°C	26	11.7 NTU's
Potomac Above Power Plant		7.7	High 9.2 p.p.m.	7	A 53°F - 12°C / W 50°F - 10°C	48	1.33 NTU's
Monocacy River		7.6	High 9.0 p.p.m.	7	A 45°F - 7°C / W 45°F - 7°C	31	1.94 NTU's
Pinecliff Creek		7.3	High 7.1 p.p.m.	5	A 41°F - 5°C / W 40°F - 4°C	31	0.73 NTU's

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Middle School Science Teacher: Monocacy Middle School - Isleib

Dates: April 11-12, 2005

Site

pH

Oxygen

Hardness