North Fork Watershed Association
Friday, September 22, 2017

PEK 2

Pekin Run at SR 4005

DATE

Field pH

Lab pH

ANC

Aluminum
(mg/L)
Conductivity
(µmhos/cm)
Temp
°C

6/26/04

7.0

6.98

 

.099

62.6

13

7/31/04

7.0

5.99

134

.014

62.6

16

9/11/04

6.5

6.5

92.7

.038

60

12

10/16/04

6.6

6.1

183

<.005

59.8

9

11/20/04

7.5

6.19

142

<.005

65.7

10

1/15/05

6.3

6.33

58.8

.15

50.3

3

2/18/05

6.9

6.28

45.3

.033

59

1

4/9/05

6.0

7.06

66

.03

56

6

5/20/05

7.1

6.38

137

.01

61.4

9

7/8/05

7.3

6.06

 

.02

82.9

17

8/20/05

7.1

6.39

 

.014

84.7

20

4/21/06

 

7.15

 

.134

 

11

 DATE

Acidity

Lab pH

ANC

Aluminum
(mg/L)
Conductivity
(µmhos/cm)
Temp
°C

8/04/06

3

6.35

 

.022

69.5

18

11/10/06

3

6.13

 

.017

 

9

3/30/07

5

6.47

 

.1

52.9

5

6/16/07

3

5.88

 

.0490

64.8

14

 
 
Pekin Run at SR 4005
 
DATE pH ANC
Alkalinity
(mg/L)
Acidity
 
Aluminum
(mg/L)
Conductivity
(µmhos/cm)
Temp
°C
8-31-07 6.85   25 4 .0430 96 18
 3-30-08 6.19    .136   
 9-22-08 7.04    24  < .01  94  11 
3-25-09  6.57      .0443  58.2   
9-11-09  6.98    14    .0477  68.1  12 
 3-27-10 6.67    .091   
9-20-10  6.84    23  < 1    .0221  91  12 
 4-2-11 6.13      .0794  63.5 
9-10-11  6.10    32  .118  104  15 
 3-28-12 6.60    11   .0510  56.8  5.5 
 9-15-12 6.68     20  < 1  < .010 96.1  13 
3-27-13  6.63   14 < 1   .370   110  2.5
9-10-13  6.29   15 < 1   .111  68.1 13.5 
3-29-14  6.10     9    .0171    58.7 
9-13-14 6.84   22  < 1   < .010   76.0  11
 4-1-15  6.26    9  < 1    0.135  61.8   2
9-17-15   6.74   21  < 1  0.0301  86.8  12
DATE pH ANC  
Alkalinity
(mg/L)
Acidity  
Aluminum
(mg/L)
 
Conductivity
(µmhos/cm)
 
Temp
°C
3-22-16   6.49     8  < 1   0.0160  63.8 1
9-20-16  6.63   13 < 1  0.014  82.5  14
3-28-17   6.39   14 1  0.0672  62.9