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Baltimore County, Maryland
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Welcome to Environmental Protection

Water Sampling Results

Recreational Waters

Bear Creek

December 2, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

10

<10

10

20

10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

7.24

48.40

18.00

13.93

8.95

10.41

173.10

3.80

Low

   E 5-10

0.00"



November 24, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

>2010

360

30

>2010

190

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

383.45

53.10

16.90

11.50

8.64

9.76

118.20

7.90

High

   N  0-5

0.50"



November 17, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

10

20

<10

20

10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

8.32

54.40

15.00

13.81

8.93

8.65

147.20

13.70

Low

  NE    10-15

0.00"



November 3, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

<10

<10

<10

<10

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

1.00

56.90

13.91

11.38

8.28

7.93

131.50

5.00

High

  E  0-5

0.00"



October 14, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

10

20

30

<10

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

5.69

61.00

21.30

7.91

8.27

12.68

94.60

11.70

Low

 NE  10-15

0.00"



September 29, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

50

40

<10

20

10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

13.16

69.30

18.40

4.55

7.63

10.89

58.20

31.30

Low

 NW  15-20

0.25"



September 15, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

10

<10

10

20

10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

7.24

74.00

17.80

10.36

8.38

10.47

151.60

15.00

Low

 W  5-10

0.00"



September 3, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

<10

<10

20

10

10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

4.57

77.50

13.82

6.48

7.90

7.98

85.20

21.80

High

 NE  10-15

0.00"



August 18, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

50

<10

20

>201

10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

21.17

84.90

11.20

8.13

7.46

6.36

130.10

31.90

Low

 NE  5-10

0.00"



August 4, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

20

10

 110

30

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

14.58

83.20

12.68

5.44

8.54

7.29

73.70

23.10

High

 SE  0-5

0.00"



July 21, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

10

<10

 10

10

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

3.98

78.40

14.22

4.66

8.49

8.25

62.00

23.90

Low

NE 10-15

0.00"



July 7, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

<10

<10

 <10

20

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

1.82

78.30

13.94

6.15

9.99

8.06

79.60

12.30

High

NE  0-5

0.00"



June 23, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

70

20

 20

50

20

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

30.86

75.80

10.15

6.88

9.33

5.70

87.40

11.10

High

NE 10-15

0.00"



June 9, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

<10

<10

 480

10

30

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

10.75

76.70

9.10

7.21

9.73

5.08

91.00

15.50

High

 SW   5-10

0.50"



May 27, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

>2010

>2010

 >2010

>2010

10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

695.91

70.10

9.69

3.08

8.72

5.42

39.50

14.90

High

SE  5-10

0.75"



May 13, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

10

 –

 <10

<10

480

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

8.32

67.00

10.11

16.06

10.08

5.65

185.20

15.80

Low

NW 5-10

0.00"


– not available

April 28, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

<10

 <10

 40

<10

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

2.09

69.50

10.78

10.67

8.76

6.07

126.50

32.30

High

S   10-15

0.00"



April 14, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

10

 10

 10

40

10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

13.19

51.60

15.50

10.32

7.47

8.88

104.40

5.70

High

NE   10-20

0.25"



April 2, 2009

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

<10

 <10

 <10

<10

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

1.00

51.50

12.62

10.97

8.25

7.12

107.10

6.30

High

NE  0-5

0.01"



November 24, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

10

 <10

 <10

10

10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

3.98

39.50

21.40

16.34

9.19

13.45

137.70

10.20

Low

S 0-5

0.00"



November 10, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

<10

 <10

 <10

<10

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

1.00

55.60

22.10

13.07

9.01

13.08

136.50

4.20

Low

NW 10-15

0.00"



October 27, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

<10

 10

 10

10

20

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

7.24

59.30

24.40

11.17

8.73

14.61

122.10

10.80

Low

NW 15-20

0.00"



October 14, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

<10

 <10

 <10

10

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

1.58

69.70

20.60

7.48

8.32

12.24

91.00

2.20

Low

Calm

0.00"



September 29, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

220

 60

 20

50

50

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

58.06

70.40

16.90

6.88

8.09

9.88

83.50

6.90

Low

 W  5-10

0.27"



September 15, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

30

 <10

 10

<10

20

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

5.69

78.60

16.40

5.74

8.66

9.61

76.60

15.10

High

NE 10-15

0.00"



September 4, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

20

 <10

 <10

<10

10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

2.88

81.20

15.80

8.90

9.25

9.24

119.80

7.10

High

N 10

0.00"



August 18, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

<10

 <10

 10

<10

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

1.58

80.00

15.70

8.01

9.14

9.17

106.70

5.40

High

 S   5-10

0.00"



August 4, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

<10

 <10

 10

<10

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

1.58

81.60

11.30

6.01

8.75

6.44

74.60

6.80

High

 W  5-10

0.00"



July 21, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

30

 <10

 <10

<10

20

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

3.59

85.90

9.64

6.34

8.92

5.43

88.10

18.70

Low

 NE  0-5

0.00"



July 7, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

10

 20

 30

30

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

11.24

82.60

9.98

6.56

9.02

5.63

87.70

13.10

High

 S   5-10

0.20"



June 23, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

20

 <10

 <10

<10

10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

2.88

77.90

9.17

5.70

8.59

5.13

73.00

17.10

High

 W  5-10

0.00"



June 9, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

<10

 <10

 <10

<10

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

1.00

81.40

7.28

4.79

8.99

4.00

63.10

12.50

Low

Calm

0.00"



May 28, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

40

 <10

 <10

<10

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

2.09

68.50

7.56

8.53

9.30

4.15

99.00

19.90

Low

NW 25

0.10"



May 15, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

<10

 10

 10

10

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

3.98

65.00

9.04

12.63

9.25

5.01

136.50

12.60

Low

W 5

0.00"



April 28, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

20

 10

 <10

20

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

5.25

63.10

7.20

7.65

8.04

3.93

82.10

6.50

High

NE 5

0.50"



April 14, 2008

Sampling ID Numbers

1

2

3

4

5

 Results
 (Enterococci MPN)

10

 <10

 <10

<10

<10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

1.58

56.00

 6.39

10.23

8.25

3.43

99.00

16.40

Low

NE 10

0.01"



April 1, 2008

Sampling ID Numbers

1

2

3

4

5

6

7

8

9

10

 

 Results
 (Enterococci MPN)

<10

 <10

 <10

<10

<10

<10

<10

<10

 <10

 <10

 
 
Other Parameters

Geo Mean

Temp
º F

SpC
mS/cm

DO
mg/L

pH

Salinity
PSS

DO
%

Turbidity
NTU

Tide

Wind

Rain 24 hr

 Results

1.00

49.50

 6.81

12.88

7.89

3.68

117.20

21.90

High

S 5

0.05"




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Revised December 9, 2009


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