North Fork Watershed Association
Wednesday, November 22, 2017

WIL 1

  
Williams Run
 

DATE

Field pH

Lab pH

ANC

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

6/25/04

6.0

4.37

 

.255

28.8

15

7/31/04

4.7

4.21

-22.5

.185

20

18

9/11/04

4.8

4.48

-28.5

.298

30.3

13.4

10/16/04

5.5

4.65

-10.9

.11

26.7

10

11/20/04

4.8

4.62

-14.5

.134

29.6

10

1/15/05

4.6

4.54

-37.2

.474

34

3

2/18/05

5.4

4.7

-25.7

.287

30

5

4/8/05

4.8

4.69

-11.9

.26

30

10

5/20/05

5.1

4.70

-22.4

.13

30.08

14

7/8/05

5.4

3.92

 

.11

24.1

19

8/19/05

4.8

4.53

24.7

.141

26.1

17

4/21/06

 

4.45

 

.203

 

12

 
 
 
           

 DATE

Acidity

Lab pH

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

8/04/06

6.5

4.11

< 1

.19

27.2

22

3/30/07

9

3.65

< 1

.325

30.4

7

6/16/07

9

4.04

< 1

.182

23.7

16

8-31-07 

10 

4.40 

< 1 

.263 

28.8 

 

 
 

Williams Run

DATE

pH

ANC

Alkalinity
(mg/L)

Acidity

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

11-14-07

3.91 

 

< 1 

11 

.508 

41.5 

3-30-08

4.18 

 

< 1 

.395 

 

9-23-08

4.53 

 

< 1 

10 

.224 

24 

13 

3-25-09

4.64 

 

.299 

28.8 

9-11-09

4.62 

 

13 

.482 

32.8 

14 

3-27-10

4.54 

 

< 1 

.610 

 

9-20-10

4.31 

 

< 1 

10 

.0434 

27.8

 12

9-10-11

3.77 

 

< 1 

14 

.434 

29.9 

16.5 

3-28-12

4.54 

 

< 1 

11 

.464 

29.7 

9-15-12

3.97 

 

< 1 

12 

.410 

27.4 

13 

4-24-13

4.40

 

 < 1

 9

 .411

29.2

 7.5

9-10-13

4.35 

 

 < 1

18 

.180 

35.3 

15

9-13-14

4.54 

 

.245 

25.5 

 13 

 DATE

pH 

 ANC

 Alkalinity

(mg/L)

Acidity 

 Aluminum

(mg/L)
Conductivity

(µmhos/cm) 

Temp

°C 

 5-20-15

 4.45

 

 

 5

0.311

 33.9

10 

9-17-15

4.41

 

< 1

8

 0.382

25

14.5 

3-22-16

4.44

 

< 1

11 

 0.415

 25.9

 9-20-16  5.01   < 1  6  0.0364  21.9  16
 3-28-16  4.3   < 1   7  0.342  20.1  
 

 DATE

pH 

 ANC

 Alkalinity

(mg/L)

Acidity 

 Aluminum

(mg/L)
Conductivity

(µmhos/cm) 

Temp

°C 

9-22-17 

 4.87 

 

< 1 

0.043 

 20

16.5