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PART 2: SAN JUAN COUNTY CHARACTERIZATION REPORT

APPENDIX A: WATER QUALITY DATA
ORCAS ISLAND SAMPLING SITES, 6/97-2/98 SEE MAP

ORCAS ISLAND: WEST SOUND | DEER HARBOR | BUCK BAY | EAST SOUND |
LOPEZ ISLAND: FISHERMAN BAY | HUNTER BAY | LOPEZ SOUND | MUD BAY
SAN JUAN ISLAND: FALSE BAY | FRIDAY HARBOR | WESTCOTT/GARRISON BAY

 

Watershed

ID

Date

Fecal Coliforms
(cfu/100mL)

Nitrate (mg/L)

pH

Total Suspended
Solids (mg/L)

Water Temperature (C)

Location Description
West Sound

O13

5/20/97

2400

         Crow Valley to Horseshoe West Creek
West Sound

O13

11/17/97

240

          
West Sound

O13

12/8/97

150

  

7.7

45

5.3

  
West Sound

O13

12/15/97

    

7.9

22

5.0

  
West Sound

O13

1/5/98

    

7.8

32

6.2

  
West Sound

O13

1/20/98

93

  

7.8

26

6.0

  
West Sound

O13

1/26/98

240

  

7.8

84.4

7.2

  
West Sound

O13

2/2/98

93

  

7.8

115.2

6.0

  
    geometric mean

237

          
West Sound

O14

5/20/97

3

         Crow Valley - off Horseshoe Hwy. stream 2
West Sound

O19

5/27/97

2400

0.27

8.1

88

12.2

 Milk and Honey Cove
West Sound

O19

11/17/97

23

          
West Sound

O19

12/8/97

4

          
West Sound

O19

12/15/97

    

8.1

45

7.0

  
West Sound

O19

1/5/98

240

  

8.0

32

7.2

  
West Sound

O19

1/20/98

93

  

8.0

5

7.9

  
West Sound

O19

1/26/98

43

  

8.0

84.4

7.5

  
West Sound

O19

2/2/98

43

  

8.0

54.3

6.7

  
    geometric mean

71

          
West Sound

O20

5/27/97

460

0.16

7.9

112

13.3

 Warm Valley Farm Stream
                 
West Sound

O28

6/16/97

460

0.23
       WS Exton Road drainage stream
                 
West Sound

O29

6/16/97

2400

0.27
       Nutt Stream down frm Exton Rd.
                 
West Sound

O7

5/14/97

9

0.2

8.1

10

17.6

 Head of WS N. of road/ Massacre Bay
                  
West Sound

O8

5/14/97

3

0.49

7.3

0.5

10.5

 Massacre Bay Stream off Turtleback
                 
West Sound

O9

5/14/97

460

0.26

8.1

28

14.6

 Stream from Crow Valley
West Sound

O9

6/10/97

75

          
West Sound

O9

11/17/97

28

          
West Sound

O9

12/8/97

15

  

8.0

56

5.9

  
West Sound

O9

12/15/97

    

8.0

48

5.9

  
West Sound

O9

1/5/98

43

  

8.0

32

5.9

  
West Sound

O9

1/20/98

43

  

8.0

32.6

6.0

  
West Sound

O9

1/26/98

23

  

8.1

41.9

6.9

  
West Sound

O9

2/2/98

93

  

8.0

26.4

6.3

  
    geometric mean

52

           
Note: ND means concentration below the detectable limit.


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