Pine Lake Level II Weekly Data for Oct 97 - Sept 98

Click for graph

Sample
Date

Temp
(°C)

Secchi
(m)

Chl a
(µg/L)

TP
(µg/L)

TN
(µg/L)

Color
Code

Algae (observation)

Boat
(count)

Notes

5/3/98

19.0

3.00

4.40

14.7

442

4.0

Some

10

fishing from dock, old secchi rope measures differently than new rope

5/17/98

15.0

4.00

4.10

8.4

365

3.5

Some

4

fishing from dock, oil slide in cove

5/31/98

19.0

5.75

1.70

7.6

325

4.0

Some

12

cottonwood flowers, seagulls, fishing from dock and swimming!

6/14/98

20.0

3.75

3.00

11.3

340

3.5

None

4

fishing from dock, swimming

6/29/98

22.0

4.50

2.50

10.3

306

3.5

Some

2

Lake closed by Public Health Dept to swimming 6/20, people swimming from private docks 6/29

7/12/98

21.0

4.25

2.60

8.2

334

3.5

None

3

water clear - this is unusual fishing from public dock swimming from private dock at one point a flock of 100 geese

7/26/98

24.5

5.25

1.40

12.6

342

3.5

None

4

fishing from public dock, flock of geese earlier

8/9/98

24.5

4.75

1.80

7.8

382

3.5

None

20

swimming, fishing, beach has re-opened, 1 motor, kayaks, sailboards, rubber dinghies, less fishing than usual

8/25/98

22.0

4.75

2.40

8.0

379

3.5

Some

1

blue green algae in cove, fishing from dock

9/7/98

22.5

4.25

7.20

8.1

394

3.5

Some

0

fishing from public dock, swimming from private dock

9/20/98

20.0

4.00

1.90

8.3

399

3.5

Some

3

swallows left for the year, fishing from public dock

10/4/98

17.0

4.00

3.00

14.2

381

3.5

 

2

soapy water in my cove, fishing from dock

10/18/98

14.0

4.75

3.70

10.9

349

3.5

None

3

fishing from public dock

Minimum

14.0

3.00

1.40

7.6

306

       

Maximum

24.5

5.75

7.20

14.7

442

       

Average

20.0

4.38

3.05

10.0

364

       

 

Note: Temp = temperature, Chl-a = chlorophyll-a. TP = total phosphorus, TN = total nitrogen

 

Source: King County Lake Volunteer Monitoring Report 1998. King County Water and Land Resources Division, Seattle, WA, October 1999.