Hopkins River Estuary

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161 results found (Displaying 1 - 50)
ID Date Status Details
#16056 15 Mar 2024 Approved Notes:

Assisted by Harriet

Very old pH strips used as sensor on pH meter failed

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 7.9 21.30 19.50 7.14 89.8 31.24
1.5m 15.0 8.0 21.00 19.60 6.61 82.8 31.45
#16018 16 Feb 2024 Approved Notes:

Assisted by Fiona, and Emily, Harriette and Teddy

 

Great results again, nice work!  J.Obst

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 7.0 23.60 20.10 8.05 105.0 32.28
1.0m 12.0 7.0 23.50 20.50 7.97 104.6 32.72
#15985 19 Jan 2024 Approved Notes:

Excellent results, great work!!  J.Obst.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.4 22.50 15.10 8.87 111.5 24.72
1.2m 9.0 8.3 21.50 18.40 8.41 104.9 29.55
#15919 15 Dec 2023 Approved Notes:

assisted by Fiona

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.5 8.1 21.30 19.90 7.87 100.3 31.77
1.3m 14.5 8.0 21.40 20.00 7.95 101.3 31.97
#15875 17 Nov 2023 Approved Notes:

Assisted by Fiona. Emily and Harriette

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.4 20.40 13.30 9.50 114.3 21.90
0.8m 9.0 8.5 20.20 13.70 9.80 117.5 22.70
#15815 20 Oct 2023 Approved Notes:

Very  high D.O. reading noted, thanks.  Will see how next month goes, but it looks like the calibration worked fine, so maybe a dense pocket of algal??  Happy to check the meter as well in November readings stay this high.  Thanks Jarred.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 8.2 23.40 7.00 16.54 204.0 12.33
0.7m 24.0 8.3 19.50 22.30 11.22 138.6 35.07
#15753 16 Sep 2023 Approved Notes:

Very windy and choppy

 

Assisted by Fiona, Emily and Harriette

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 8.9 16.30 18.40 11.38 129.2 29.62
1.0m 14.0 8.8 15.60 19.30 10.80 121.4 31.20
#15714 20 Aug 2023 Approved Notes:

DO would not calibrate today, Gilly assisted sampling

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 8.7 13.50 2.50 12.28 119.6 4.70
1.0m 19.0 8.0 13.30 3.10 9.31 86.3 5.70
#15708 14 Jul 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 8.0 11.20 1.50 10.90 100.2 2.94
1.2m 30.0 8.1 11.20 1.60 10.34 95.0 2.97
#15586 17 Jun 2023 Approved Notes:

Very windy

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 8.0 11.30 4.10 9.87 93.2 7.44
1.7m 12.0 7.4 13.80 26.00 1.55 17.6 39.91
#15545 20 May 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 8.4 12.90 8.10 11.82 117.5 13.99
1.3m 11.0 8.0 15.80 32.10 6.30 77.2 48.87
#15463 15 Apr 2023 Approved Notes:

Bottom pH and turbidity measures not available as Van Dorn sampler forgotten

Considerable water flow into river from nearby storm water drain after morning rains

 

Thanks, great results and observations.  Yes a very wet weekend!

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.7 17.50 29.90 8.12 103.1 45.87
1.0m 9.0 17.70 30.80 7.80 100.0 47.31
#15354 17 Mar 2023 Approved Notes:

Assisted by Sandro 

 

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.6 21.80 24.00 9.38 123.5 37.86
0.8m 9.0 8.6 21.00 29.10 8.34 111.2 44.92
#15300 17 Feb 2023 Approved Notes:

Assisted by Steve Selman

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.1 22.40 28.90 8.51 116.5 44.68
0.5m 9.0 8.2 22.40 29.10 8.43 115.0 44.94
#15252 20 Jan 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 8.3 21.10 24.60 8.67 111.0 38.64
0.5m 15.0 8.2 20.60 26.00 8.58 110.5 40.60
#15175 14 Dec 2022 Approved Notes:

Jarred - I can't beleive turbidity readings are still this high only a few weeks out from Christmas!!  These results will be a very useful record for years to come!!

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 38.0 8.1 19.00 1.90 9.26 100.3 3.65
0.8m 38.0 8.0 18.90 1.90 9.01 97.5 3.66
#15144 18 Nov 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 60.0 7.8 17.30 0.60 9.17 96.8 1.20
1.0m 60.0 7.8 17.30 0.60 9.18 96.5 1.19
#15073 14 Oct 2022 Approved Notes:

No test at H2 as water over ramp leading to access point

Choppy water with southerly wind

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 82.0 8.1 14.60 0.60 9.01 88.1 1.10
2.0m 82.0 8.2 14.60 0.60 8.46 83.5 1.14
#15020 17 Sep 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 8.7 12.50 2.40 10.06 97.2 4.52
1.0m 12.0 8.3 13.30 20.80 4.62 49.5 28.50
#14964 20 Aug 2022 Approved Notes:

Assisted by Grant and Jarrod

 

Great data set as well, which aligns very well with H1 and H2 results - in that the top 1.5m is currently dominated by highly oxygenated and turbid freshwater (max depth here 1.2m).

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 26.0 8.8 12.20 1.80 10.14 94.8 3.40
1.2m 26.0 8.7 12.20 1.80 10.03 93.5 3.41
#14889 16 Jul 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.4 12.00 11.80 9.86 99.0 19.71
1.0m 9.0 8.4 13.70 25.00 8.56 96.8 39.32
#14755 18 Jun 2022 Approved Notes:

Assisted by Matisse

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 8.5 12.10 2.60 11.02 103.2 4.84
1.0m 10.0 8.3 12.80 10.20 8.71 86.3 19.90
#14702 21 May 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.2 13.50 6.70 10.19 100.4 11.74
1.0m 9.0 8.2 14.40 10.60 9.33 95.0 15.14
#14669 23 Apr 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 8.3 16.50 7.90 9.50 100.2 13.62
1.0m 10.0 8.3 16.20 8.10 9.20 96.1 13.95
#14549 18 Mar 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 8.1 22.70 12.50 6.84 84.8 20.89
1.0m 14.0 8.1 22.60 12.60 7.01 86.5 20.96
#14509 18 Feb 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 8.2 22.30 16.50 8.10 101.6 26.88
1.8m 12.0 8.2 22.30 16.50 8.02 101.1 26.88
#14458 21 Jan 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.8 8.3 24.50 21.50 8.25 109.6 32.13
1.3m 12.8 8.3 24.10 21.60 8.67 115.8 34.40
#14394 10 Dec 2021 Approved Notes:

Significant weed growth from front of pontoon, just below surface of water

Assisted by Miles

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 8.4 20.10 17.60 10.16 123.7 28.46
0.8m 12.0 8.4 19.40 17.70 10.06 120.8 28.68
#14376 19 Nov 2021 Approved Notes:

Assisted by visitor Lynn

Bloom conditions observed at this site as well - J.Obst.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 8.9 19.50 6.00 12.91 145.9 10.59
0.7m 17.0 8.8 19.50 6.00 13.24 149.3 10.61
#14320 16 Oct 2021 Approved Notes:

Bottom sample not available due to equipment failure

Monitoring has captured early signs of an algal bloom in the upper freshwater margin; indicated through high DO and Turbidity readings - J.Obst

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 22.5 8.2 14.20 4.30 11.31 113.3 7.80
1.2m 22.5 14.30 4.50 11.66 116.7 8.08
#14286 18 Sep 2021 Approved Notes:

Very windy

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 8.2 13.80 20.00 8.28 89.0 40.00
1.5m 24.0 8.1 13.80 26.20 7.73 87.4 40.99
#14196 10 Jul 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.8 8.1 10.00 1.80 10.48 92.9 3.46
1.0m 11.8 8.0 10.90 21.80 4.89 50.5 25.77
#14180 19 Jun 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 8.1 12.30 2.20 9.78 91.3 4.05
1.3m 10.0 8.1 12.20 2.20 9.17 85.7 4.58
#14145 15 May 2021 Approved Notes:

Top turbidity was <9.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.9 12.40 15.10 10.26 104.9 24.82
1.5m 9.0 8.8 12.50 15.80 10.04 103.4 25.74
#14064 17 Apr 2021 Approved Notes:

Assisted by Rose and Hamish

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.5 15.30 25.20 9.35 108.3 39.52
1.3m 9.0 8.5 16.00 26.30 9.85 115.2 42.48
#14021 19 Mar 2021 Approved Notes:

no pH values as monitor unable to be calibrated

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.2 22.40 28.00 8.26 110.9 43.45
0.7m 12.2 22.20 28.20 8.32 111.8 43.66
#13989 19 Feb 2021 Approved Notes:

Wind just picked up. Nearby boating activity ++

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.3 8.9 24.50 27.60 8.09 109.8 43.15
0.8m 9.3 10.2 24.20 28.90 7.87 110.9 44.63
#13937 15 Jan 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.0 19.70 29.10 8.13 106.1 45.05
1.0m 9.0 8.0 19.80 29.40 8.03 104.9 45.25
#13912 18 Dec 2020 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.7 20.50 27.40 8.65 112.0 42.54
0.5m 9.0 7.9 20.50 27.40 8.63 111.4 42.59
#13844 20 Nov 2020 Approved Notes:

Assisted by Lynn

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 8.2 20.90 16.60 10.46 128.3 26.99
0.9m 14.0 8.2 20.90 16.80 10.64 130.2 27.35
#13819 16 Oct 2020 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 100.0 7.3 17.20 0.40 7.82 81.0 0.72
0.5m 100.0 7.6 17.20 0.40 7.69 79.6 0.73
#13795 19 Sep 2020 Approved Notes:

assisted by Garry C

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 23.0 7.9 16.40 2.70 9.22 95.1 5.02
1.0m 23.0 7.8 16.30 2.70 8.77 91.0 5.06
#13758 18 Jul 2020 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.4 9.90 3.30 10.92 98.8 5.98
1.5m 9.0 8.2 12.10 12.40 4.52 45.5 19.66
#13729 20 Jun 2020 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 54.0 8.6 13.00 11.50 18.69 190.7 18.42
1.2m 54.0 8.2 13.10 16.80 5.75 60.0 27.40
#13599 21 Feb 2020 Approved Notes:

The Van Dorn was lost at the bridge, so no bottom measurements could be taken.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.5 8.1 21.40 24.20 8.87 114.6 38.10
0.7m 13.5 21.40 24.30 8.70 111.3 38.23
#13523 17 Jan 2020 Approved Notes:

Nutrient and erosion track created by a residential development opposite test point, with drainage down steep bank into river

steps have been carved into opposite bank

strong SE wind

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.0 8.2 20.80 27.30 8.70 114.4 42.47
0.8m 18.0 8.2 20.80 27.40 8.64 113.5 42.50
#13466 20 Dec 2019 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 27.0 8.4 24.50 22.10 9.54 130.2 35.14
0.8m 27.0 8.4 24.40 22.10 8.51 114.5 35.14
#13411 15 Nov 2019 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 8.6 16.70 6.80 12.07 129.6 11.69
0.8m 24.0 8.5 16.70 7.10 11.85 126.5 12.28
#13359 11 Oct 2019 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 8.2 16.60 7.00 8.82 93.9 12.16
0.5m 10.0 8.1 16.70 7.50 8.62 92.3 13.03
#13340 21 Sep 2019 Approved Notes:

Assisted by Garry and Sandro

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 8.5 14.20 1.50 9.20 90.7 3.30
1.0m 19.0 8.3 14.20 1.70 9.10 89.9 3.28
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