North Fork Watershed Association
Wednesday, November 22, 2017

CLR 2

 
Clear Run at Gilbert Run
  

DATE

 

Field pH

 

Lab pH

 

ANC

 

Aluminum

(mg/L)

Conductivity

(µmhos/cm)

Temp

°C

6/26/04

7.1

5.73

 

.042

34.9

13

7/31/04

7.0

5.95

100

.028

34.2

15.5

9/11/04

6.5

6.35

27.2

.044

28.4

10

10/16/04

7.7

6.14

180

<.005

39.6

9

11/20/04

7.3

6.08

175

<.005

42.8

8

1/15/05

5.7

5.21

-7.1

.115

28.2

3

2/18/05

8.0

6.61

135

.016

43

1

4/8/05

7.5

6.67

23.6

.02

27

8

5/20/05

7.3

7.01

122

.02

35.7

9

7/8/05

7.0

6.25

 

.02

47.4

 

8/20/05

6.7

5.92

387

.018

53.5

17

4/21/06

 

7.45

 

.045

 

9

 
 
           

 

Date  

Acidity

(mg/L)

Lab pH

 

Alkalinity

(mg/L)

Aluminum

(mg/L)

Conductivity

(µmhos/cm)

Temp

 ° C

8/04/06

3

5.8

8

.033

33.2

17

11/10/06

4

5.73

3

.0306

 

8

3/30/07

7

5.16

< 1

.086

28.2

5

6/16/07

4

5.53

5

.0339

33

13

 8/31/07

 6 7.04   21 .0312   59.7  
3/30/08
 
5 5.14 < 1 .167   6

 9/22/08

 6 7.13  38  < .01   100  
3/25/09
 
3 6.68 6 .0680 37.2 6
9/11/09
 
3 7.08 16 .0503 54.2 11
3/27/10 
 
1 5.96 7 .057   4
9/20/10
 
< 1 6.87 32 .231 78.3 10.5
 
 
           
Date 

Acidity

(mg/L)

Lab pH

 

Alkalinity

(mg/L)

Aluminum

(mg/L)

Conductivity

(µmhos/cm)

Temp

 ° C

  4-2-11
5.87   7  .0833 28.5   4
  9-10-11
< 1  6.47   23 .0698  70  15.5 
  3-28-12
6.45   .0271 32.5   5.5
  9-15-12 
< 1  7.01   27 < .010   70.3 11 
 
3-27-13
< 1 6.38 10 .0409 34.6 3
 
3-29-14
3 5.88 7 .0316 28.2 4
 
9-13-14
< 1 6.67 16 .0208 39.8 11
 
4-1-15
6.24   0.0315  26.7  3.5
 
 9-17-15 
< 1  7.13  21   0.0246 58.4  11.5
  
3-22-16
 6.51 1  7  0.0183  32.2  2.5
 
9-20-16 
< 1  6.90 27   < 0.01  67.5 12.5 
 
3-28-17 
 6.13  10  0.0807 27.1 
 
 9-22-17
 
 <1  6.72 34   < 0.01 48.9   12