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APPENDIX B

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Table B1: Dissolved Gas Measurements Taken at Selected SEP Hatcheries

(MacKinlay 1984 and Miller et al. 1987)

Birkenhead

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

November 15, 1978

7.0

103.0

50.0

N/G

N/G

Test Well #3.

April 29, 1980

7.6

N/G

N/G

104.0

86.0

Trough inlet.

July 24, 1980

7.6

N/G

N/G

105.0

90.0

Trough inlet.

August 6, 1980

7.6

N/G

N/G

103.0

87.0

Trough #2 inlet.

August 6, 1980

7.6

N/G

N/G

103.0

85.0

Trough #3 inlet.

Bowron

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

June 26, 1979

7.0

107.0

90.0

N/A

N/A

In sidechannel downstream of pond (during active heating).

August 19, 1980

6.2

102.0

78.0

N/A

N/A

At incubation box intake on ground water fed stream upstream of pond.

Capilano

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

March 27, 1972

7.5

107.0

75.0

N/G

N/G

At tunnel - average of two readings.

March 13, 1974

11.0

108.0

92.0

   

At top trough.

September 30, 1980

8.0

109.0

82.0

   

At tower outlet and inlet.

September 30, 1980

16.0

N/M

N/M

105.0

107.0

At tower outlet and top of trough.

Chehalis

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

February 17, 1980

8.9

107-108

86-95

N/A

N/A

Chehalis Well C1

February 19, 1980

3.6

104.0

103.0

N/A

N/A

Chehalis River spotcheck (in flood).

February 21, 1980

3.5

103.0

95.0

N/A

N/A

Chehalis River spotcheck (post-flood).

April 6, 1980

8.5

104.0

77.0

N/A

N/A

Production Well #1 pumptest.

April 6, 1980

8.0

103.0

76.0

N/A

N/A

Production Well #3 pumptest.

Crazy

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

March 18, 1980

2.0

102.0

97.0

N/A

N/A

Crazy Creek spotcheck.

March 18, 1980

3.1

103.0

99.0

N/A

N/A

Eagle River spotcheck.

Fulton

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

May 22, 1980

9.2

105.4

99.0

N/G

N/G

Top end of channel #2.

May 22, 1980

9.5

104.2

100.7

N/G

N/G

Bottom end of channel #2.

May 22, 1980

10.3

104.1

89.9

N/G

N/G

Surface at intake.

Inches

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

April 10, 1980

9.5

N/G

N/G

106.0

95.0

Inlet pool #1 (some recirculation).

April 21, 1980

8.5

N/G

N/G

106.0

86.0

Inlet pool #1 (some recirculation).

April 21, 1980

8.5

N/G

N/G

105.0

75.0

Inlet pool #2 (some recirculation).

May 13, 1980

7.0

105.0

84.0

   

Inlet pool #1 (some recirculation).

May 13, 1980

7.0

105.0

84.0

   

Inlet pool #2 (some recirculation).

Kalum

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

November 20, 1978

6.0

102.0

72.0

N/A

N/A

Dry Creek at upper source.

November 20, 1978

4.5

101.0

73.0

N/A

N/A

Dry Creek at lower source.

Kemano

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

December 12, 1979

4.3

106.0

97.0

N/A

N/A

Middle Kemano River (1350m below Tailrace confluence).

December 16, 1979

3.5

102.0

96.0

N/A

N/A

Lower Kemano River (2700m below Tailrace confluence).

December 17, 1979

3.7

107.0

97.0

N/A

N/A

Tailrace.

December 17, 1979

-0.1

100.0

92.0

N/A

N/A

Upper Kemano River (above Tailrace).

Kitimat

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

November 3, 1979

3.7

102.0

95.0

N/A

N/A

Kitimat River spotcheck.

August 20, 1980

6.5

104.0

54.0

N/A

N/A

1 hr pumptest, Well 79-1 @ 600gpm.

August 20, 1980

10.7

103.0

97.0

N/A

N/A

Kitimat River spotcheck.

Mathers

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

October 8, 1978

7.5

104.0

2.0

N/A

N/A

Samples at 7 and 11 hr of pumptesting Well #2.

August 11, 1980

19.4

109.0

113.0

N/A

N/A

Saltwater spotcheck (off Mathers).

Nechako

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

March 19-23, 1979

9.5 decreasing to 8.5

105.0-109.0

133.0-139.0

N/A

N/A

5 samples taken during 96 hr pumptest of Well #7.

Nitinat Hatchery

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

June 12, 1979

8.0

104.0

88.0

N/A

N/A

Pumptest of DH #3.

May 6, 1980

11.3

104.9

99.0

N/A

N/A

Little Nitinat River.

May 6, 1980

10.85

104.4

100.4

N/A

N/A

Big Nitinat River.

May 21, 1980

9.2

102.5

98.0

N/A

N/A

Big Nitinat River.

June 18, 1980

8.7

103.1

71.2

N/A

N/A

Well #4.

Penny

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

July 23, 1980

10.1

102.0

95.0

N/A

N/A

At incubation box site (from pipeline).

September 22, 1980

7.9

101.0

77.0

N/A

N/A

In incubation header box.

September 22, 1980

7.3

101.0

80.0

N/A

N/A

At pipeline intake ponds.

Pinkut

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

May 24, 1980

11.0

106.4

105.6

N/G

N/G

Top of leg #1.

May 24, 1980

11.0

103.8

114.5

N/G

N/G

Bottom of leg #10.

Puntledge Hatchery (lower site)

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

March 11, 1980

5.5

103.4

N/G

N/A

N/A

Puntledge River intake to spawning channel at upper site (before Hydro pumps).

April 16, 1980

6.25

105.0

94.7

N/A

N/A

Puntledge River before hydro dam at Comox Lake.

April 16, 1980

6.4

108.8

98.3

N/A

N/A

Puntledge River downstream from hydro dam.

April 22, 1980

7.45

109.1

101.2

N/A

N/A

Hydro increased river flow to 1600 cfs.

Puntledge Hatchery (upper site)

Date Temperature Pre-Aeration (?) Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

March 7, 1980

5.7

104.3

N/G

   

Inflow to spawning channel.

March 27, 1980

5.6

105.3

N/G

   

Inflow to ponds (Pump-house #2).

March 28, 1980

5.8

105.9

N/G

   

Inflow to spawning channel.

March 31, 1980

5.3

104.4

N/G

   

Inflow to spawning channel.

March 31, 1980

6.3

106.9

103.4

   

Inflow to spawning channel.

March 31, 1980

6.4

106.8

103.3

   

Inflow to ponds (Pump-house #2).

April 16, 1980

6.9

109.0

100.9

   

Inflow to spawning channel.

April 16, 1980

7.0

108.9

100.9

   

Inflow to ponds (Pump-house #2).

April 22, 1980

7.45

110.8

102.1

   

Inflow to spawning channel.

April 22, 1980

7.65

110.9

102.8

   

Inflow to ponds (Pump-house #2).

April 23, 1980

7.3

109.4

98.8

   

Inflow to ponds (Pump-house #2).

April 23, 1980

7.5

109.7

105.3

   

Inflow to ponds (Pump-house #2).

May 2, 1980

9.0

108.8

109.9

   

Inflow to ponds (Pump-house #2).

Quinsam Hatchery

Date Temperature Pre-Aeration (?) Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

January 28, 1980

3.2

104.4

100.9

   

Inflow to heath stacks, Quinsam supply.

Robertson Creek Hatchery

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

April 2, 1980

8.6

105.5

99.5

N/A

N/A

Surface Great Central Lake water at Robertson Creek Hatchery.

April 2, 1980

8.5

104.4

99.5

N/A

N/A

Surface Great Central Lake water in front of first drop structure in Robertson Creek.

April 21, 1980

11.3

108.4

100.5

N/A

N/A

Surface Great Central Lake water at hatchery intake.

April 25, 1980

10.7

106.7

101.9

N/A

N/A

Surface Great Central Lake water at hatchery intake.

Robertson Creek Hatchery

Date Temperature Pre-Aeration (?) Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

April 2, 1980

9.1

106.5

N/G

   

Inflow to heath stack.

April 21, 1980

N/G

107.1

N/G

   

Inflow to heath stack.

April 25, 1980

10.8

106.4

101.4

   

Inflow to heath stack.

April 30, 1980

11.35

103.7

89.8

   

Inflow to heath stack, mixed ground/surface water.

April 30, 1980

12.8

109.4

106.1

   

Inflow to heath stack, surface water.

April 30, 1980

N/G

109.8

N/G

   

Inflow to heath stack, surface water.

May 8, 1980

13.8

108.3

105.7

   

Inflow to heath stack, surface water.

May 8, 1980

N/G

109.1

N/G

   

Inflow to heath stack, surface water.

Snootli

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

August 22, 1980

9.4

101.6

98.9

N/G

N/G

Creek water at intake.

Stuart

Date Temperature Pre-Aeration Post-Aeration Comments
  °C TGP % O2 % TGP % O2 %  

April 8-10, 1980

8.4-8.6

104.0

4.0-13.0

N/A

N/A

4 samples taken during 3-day pumptest of Well #2.

N/A = Not Applicable
N/M = Not Measured
N/G = Not Given

 

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