Pine Lake Level II Weekly Data for Oct 96 - Sept 97

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Collection
Date

Depth
(meter)

Temp
(°C)

Secchi
(m)

Chl a
(µg/L)

TP
(µg/L)

TN
(µg/L)

Color

Algae (observation)

Waterfowl
(range)

Boat
(count)

Notes

11-May-97

1

18

5

2.1

13.7

705

 clear-green flecks some

<25

10

 fishing park dock

26-May-97

1

18

5.5

0.8

13.8

483

 clear none

<25

11

 (oil in cove), fishing from docks

15-Jun-97

1

23

4

2.7

27.5

378

 clear none

<25

9

 fishing from dock, swans or white geese

29-Jun-97

1

20

4

2.5

17.3

320

 clear yellow green none

25-75

3

 fishing from dock, 1 blue heron, geese leave during day

13-Jul-97

1

22

5.3

1.9

10.9

378

 yellow green none

>75

6

 fishing from dock, >100 geese

27-Jul-97

1

24

5.5

2.1

23.7

280

 yellow green some

<25

16

 fishing, rafts, swimming

10-Aug-97

1

25

5.5

1.7

7.1

340

 yellow green scum in cove, none on lake

<25

4

  

24-Aug-97

1

23

4.3

2.4

17.1

295

 yellow green  

<25

1

 swimmers, too windy to see algae

9-Sep-97

1

21

5.5

1.3

13.9

280

 yellow green oily bloom in cove

<25

0

 seagulls, swallows

21-Sep-97

1

18.5

5.8

3.2

7.9

318

 yellow green stringy white algae

25-75

2

 blue heron, seagulls

12-Oct-97

1

14

5.3

3.4

14.9

469

 yellow green algal streaks in cove

<25

1

 blue heron, grebes, seagulls

26-Oct-97

1

13

4.8

4.2

13.3

455

 yellow green surface bloom

<25

4

 fishing, blue heron, grebes, seagulls

 

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

 Source: King County Lake Volunteer Monitoring Report 1997. King County Water and Land Resources Division, Seattle, WA, December 1998.