
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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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). |
||
| 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. |
| 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). |
| 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. |
| 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). |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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). |
||
| 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. |
||
| 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. |
| 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. |
||
| 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. |
| 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