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MC1 Merriman Creek - fishing platform

Active Physico-Chemical 28-08-2020 - 27-03-2024

Merriman Creek

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59 results found (Displaying 1 - 59)
ID Date Status Details
#16101 27 Mar 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.7 17.60 6.30 8.78 94.4 11.04
2.4m 4.7 21.40 15.30 4.48 54.8 25.05
#15967 15 Jan 2024 Approved Notes:

The estuary was flushed out with fresh water after maximum flows of 2900ML/day reached the estuary over the weekend.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 53.3 21.70 0.20 7.39 83.2 0.34
1.5m 53.3 21.60 0.20 6.88 77.3 0.36
#15966 10 Jan 2024 Approved Notes:

pH needs to be recalibrated
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 42.5 20.30 0.20 6.75 74.9 0.43
1.9m 42.5 19.40 17.10 4.20 50.5 27.70
#15899 5 Dec 2023 Approved Notes:

Maximum flows of around 5000 ML/day have completely flushed the estuary out of brackish to saline water.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 71.5 6.8 20.70 0.20 6.30 70.4 0.32
1.5m 71.5 6.9 20.70 0.20 6.36 71.0 0.32
#15877 20 Nov 2023 Approved Notes:

Low DO could be due to decaying sea grass and/or disturbance of sediment?
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 7.9 8.3 20.00 3.90 4.69 52.4 7.14
1.4m 7.9 8.2 20.40 19.70 1.66 20.5 31.53
#15798 11 Oct 2023 Approved Notes:

Flows of up to 524 ML/d reached the estuary after heavy rains the week prior which flushed out the estuary of saline water.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 43.4 6.6 12.40 0.30 7.31 68.0 0.59
1.3m 43.4 6.6 12.40 0.30 7.12 66.3 0.64
#15797 13 Sep 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 5.0 7.5 15.10 17.10 7.46 81.4 27.71
1.5m 5.0 7.4 14.20 29.80 0.86 10.0 45.91
#15690 27 Aug 2023 Approved Notes:

Quite a bit of algae in the water which may explain the elevated DO levels

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.2 7.4 8.00 3.50 11.72 112.8 6.41
1.5m 4.2 8.3 12.50 34.40 10.57 121.2 52.26
#15604 27 Jun 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 2.8 7.8 9.40 9.10 12.50 115.2 15.59
2.0m 2.8 8.6 12.20 35.20 8.45 97.8 53.38
#15576 14 Jun 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.4 7.5 11.20 15.80 11.28 114.0 25.76
1.5m 20.4 8.6 12.70 35.40 9.02 106.4 53.61
#15553 1 Jun 2023 Approved Notes:

Swells introducing lots of ocean water into the estuary
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 1.1 8.3 13.40 36.60 9.57 114.7 55.19
1.7m 1.1 8.4 13.50 37.20 9.13 109.9 55.99
#15486 20 Apr 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 28.3 7.9 14.00 8.20 10.20 103.1 14.05
2.5m 28.3 7.8 18.90 35.90 1.61 21.1 54.13
#15440 11 Apr 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.8 7.6 13.70 3.90 10.23 101.7 6.98
3.0m 11.8 8.2 15.50 22.50 5.49 65.2 35.55
#15439 5 Apr 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 6.1 8.0 17.80 4.00 8.68 93.5 7.18
2.7m 6.1 7.1 21.30 26.90 1.56 20.8 41.78
#15349 15 Mar 2023 Approved Notes:

Oxygenated layer approximately 1.6-1.7m 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 2.7 8.0 20.80 9.90 9.15 110.4 16.79
2.5m 2.7 7.5 21.70 20.90 0.10 1.3 33.31
#15328 7 Mar 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 1.2 8.2 20.20 12.80 8.10 97.3 21.23
2.5m 1.2 7.3 24.30 24.00 0.33 4.6 37.78
#15320 2 Mar 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 2.2 7.9 19.20 11.70 7.45 86.4 19.52
2.5m 2.2 7.2 23.90 26.40 0.11 1.5 41.24
#15302 16 Feb 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.3 8.1 25.50 11.90 8.78 114.4 19.94
2.3m 4.3 8.2 21.20 30.90 4.83 65.0 47.38
#15275 8 Feb 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 1.8 8.1 23.40 16.50 7.98 102.5 26.93
2.4m 1.8 8.3 21.70 30.90 6.11 82.5 47.32
#15274 19 Jan 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 5.7 7.9 19.50 9.10 8.70 99.7 15.48
2.5m 5.7 7.4 23.40 27.80 0.67 9.2 43.08
#15234 11 Jan 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.7 8.1 22.70 5.30 9.73 116.3 9.34
1.5m 9.7 7.4 22.40 30.90 1.78 24.7 47.46
#15218 5 Jan 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.4 7.8 23.00 4.50 11.87 141.7 8.04
1.9m 24.4 8.2 19.80 34.90 7.84 107.9 52.76
#15193 20 Dec 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.4 7.4 18.80 0.40 9.14 97.4 0.86
1.7m 15.4 7.7 17.60 30.60 2.37 30.5 46.93
#15192 14 Dec 2022 Approved Notes:

DO meter giving very high readings so not included.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.9 8.1 14.90 19.50 31.20
1.7m 15.9 8.1 15.70 33.20 50.55
#15128 16 Nov 2022 Approved Notes:

DO meter not working so no DO measurements this time. Halocline at around 1.1m depth.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.8 6.8 15.70 0.30 0.60
1.5m 17.8 7.8 15.30 29.30 45.27
#15099 6 Oct 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.6 7.5 13.40 6.90 10.49 104.6 12.13
1.5m 17.6 8.0 13.80 30.80 8.38 101.1 47.30
#15063 21 Sep 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.7 7.7 14.20 2.10 8.53 84.0 3.93
2.0m 13.7 8.2 13.70 33.30 7.47 88.4 50.84
#15001 8 Sep 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.9 6.9 12.10 3.20 10.65 100.9 5.75
1.7m 18.9 8.1 12.70 31.50 8.31 95.1 48.27
#14989 25 Aug 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 31.4 6.9 11.10 0.40 9.57 87.1 0.88
2.1m 31.4 8.0 11.20 30.60 6.17 68.0 47.09
#14969 18 Aug 2022 Approved Notes:

After peak flows of >2000ML/day recorded at Seaspray Pump Station overnight, the estuary was flushed out with freshwater. Water is very turbid.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 152.0 6.4 11.20 0.20 9.23 84.1 0.32
1.8m 152.0 6.7 11.20 0.20 9.13 83.2 0.34
#14927 10 Aug 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.3 7.0 8.10 1.80 12.55 107.2 3.39
2.0m 11.3 8.1 11.60 34.20 8.36 95.1 51.99
#14899 20 Jul 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.6 7.1 7.00 2.90 10.32 86.4 5.27
1.8m 10.6 8.0 10.90 33.70 6.56 73.2 51.34
#14881 12 Jul 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.3 7.1 8.50 6.50 10.76 95.8 11.48
1.8m 13.3 8.2 10.80 34.10 8.47 94.5 51.82
#14880 7 Jul 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.0 7.0 7.30 0.70 10.25 95.6 1.28
1.9m 13.0 8.0 11.90 33.10 8.57 97.5 50.48
#14751 15 Jun 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 33.7 7.5 9.20 1.00 7.71 67.3 1.87
1.8m 33.7 8.1 10.00 23.40 6.02 61.8 37.05
#14685 19 May 2022 Approved Notes:

Horiba Meter used
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 3.5 13.00 3.60 9.13 88.6 6.56
2.0m 3.5 17.00 30.20 2.38 29.6 46.80
#14684 19 May 2022 Approved Notes:

Horiba meter used
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 3.1 12.80 3.10 9.24 89.0 5.83
2.0m 3.1 17.10 30.40 1.66 20.7 47.10
#14683 19 May 2022 Approved Notes:

Horiba Meter used
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 2.6 11.90 3.40 9.91 93.6 6.23
2.8m 2.6 17.20 30.30 0.67 8.4 47.00
#14651 3 May 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.8 7.0 14.90 3.40 6.73 67.9 6.15
2.5m 4.8 7.2 17.90 28.30 2.15 26.9 43.91
#14647 21 Apr 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.8 7.4 15.00 4.40 6.98 71.0 7.90
2.6m 11.8 7.3 18.20 31.80 1.99 25.6 48.69
#14596 13 Apr 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 8.0 7.6 15.40 1.50 6.61 66.7 2.81
1.8m 8.0 7.4 17.60 33.70 3.75 48.1 51.38
#14566 30 Mar 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 7.0 7.1 18.60 6.20 7.33 81.3 11.02
3.0m 7.0 7.1 22.90 31.50 1.90 26.6 48.26
#14542 16 Mar 2022 Approved Notes:

Water still flowing out after being opened
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 5.7 6.7 22.90 10.00 8.31 102.5 17.00
1.6m 5.7 7.1 21.90 29.70 4.56 61.8 45.85
#14524 24 Feb 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.2 7.2 23.70 17.60 7.32 95.1 27.05
2.5m 4.2 6.9 24.30 38.70 1.59 23.9 59.59
#14500 16 Feb 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.0 7.5 26.70 24.00 9.17 131.2 37.85
2.3m 4.0 7.3 21.70 35.40 2.77 38.7 53.62
#14474 2 Feb 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.2 7.7 19.60 36.30 8.80 118.9 54.84
1.7m 20.2 7.9 19.70 37.00 8.89 121.1 55.83
#14439 5 Jan 2022 Approved Notes:

Big swell introducing a large amount of ocean water into the estuary 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 7.6 20.20 6.16 88.8
2.1m 30.0 7.8 20.20 5.62 81.2
#14355 16 Nov 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 22.9 7.0 15.30 0.90 7.88 76.8 1.80
1.2m 22.9 7.3 14.00 33.20 4.93 58.3 50.81
#14354 10 Nov 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 5.5 7.3 17.30 3.30 5.51 59.4 10.52
2.0m 5.5 7.4 16.90 33.00 3.31 41.7 51.48
#14117 6 May 2021 Approved Notes:

Illegally opened the night before - eye witness report of the estuary being opened by 5 men with shovels. Video on facebook posted around 5pm showing the water flowing out


Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.1 6.6 17.60 10.90 9.23 103.1 18.05
0.5m 9.1 7.3 16.60 36.20 7.28 93.2 54.68
#14049 8 Apr 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.3 7.2 22.50 2.60 8.93 103.7 4.55
1.5m 15.3 7.3 19.00 37.80 4.91 66.1 56.83
#14017 12 Mar 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.3 7.7 22.90 12.20 10.60 132.0 20.39
2.0m 4.3 7.7 20.40 19.20 8.52 105.9 31.05
#13985 4 Feb 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 2.3 7.6 17.90 12.60 9.06 102.5 20.92
1.8m 2.3 7.6 22.60 23.80 4.14 55.2 37.43
#13932 8 Jan 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.3 8.6 22.40 20.10 7.65 97.1 32.23
1.9m 4.3 8.5 22.80 24.90 8.72 118.5 39.15
#13908 17 Dec 2020 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.8 7.5 21.70 14.30 6.18 76.3 23.68
2.1m 4.8 7.9 24.00 31.70 5.03 71.5 48.59
#13883 26 Nov 2020 Approved Notes:

Mouth closed but high tide waves able to lap over the berm and inundate Merriman Creek mouth. 

Keeping an eye on WMIS for levels, appears to be rising and most likely due to high tide being able to top berm but not move it
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 2.3 7.7 22.70 14.10 7.93 94.0 24.81
2.2m 2.3 8.3 22.90 34.40 7.34 104.2 52.16
#13825 2 Nov 2020 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 8.3 7.6 17.00 0.40 11.60 120.7 0.79
0.9m 8.3 7.2 16.70 0.50 11.50 119.0 0.92
#13798 18 Sep 2020 Approved

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 8.2 7.7 15.00 7.20 10.19 105.3 12.63
2.3m 8.2 7.8 14.60 31.20 7.31 87.0 47.93
#13789 28 Aug 2020 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 7.7 7.5 12.00 1.20 11.92 111.3 2.34
1.5m 7.7 7.9 10.60 32.70 10.58 115.9 49.96
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